New Seminars Cover The Latest Technology

May & June 2014
New Seminars Cover the
Latest Technology
New cars and trucks are being packed with more technology faster than ever
before. The Gear Absolute Position sensor, Selective Catalyst Reduction, StrategyBased Diagnostics, GM Multiple Diagnostic Interface, Passenger Presence System,
active head restraints and shape memory alloys — they are just a few of the new
components and systems now being used on modern vehicles.
To help technicians keep up with the latest technology, ACDelco has developed
several new ACDelco seminars that are available now through your local ACDelco
distributors.
2014 Vehicle Technology Update (S-EL06-44.01SEM)
The 2014 Vehicle Technology Update
seminar covers the latest advancements in powertrain, drivetrain, and
electrical technology, including:
• New GM Gen V engines
• Stop/start systems
• Manual and automatic transmission
innovations
• Electric vehicles
• New electronic differentials
• Electric power steering
• New circuit protection
• Hazard avoidance systems
The seminar reviews the new TR6070
7-speed manual transmission in the
2014 Corvette. The transmission features Active Rev Matching, which uses
a GM-patented Gear Absolute Position
(GAP) sensor mounted to the top of
the transmission housing that provides
a signal of the real-time position of the
shifter from the transmission to the
ECM. With this information, the engine
RPM is controlled to better match
the next gear selection for smoother
upshifts and downshifts. To activate
Active Rev Matching, the driver presses
either paddle on the steering wheel.
The new TL80SN 8-speed automatic
transmission in the 2014 CTS sedan
also is highlighted. The transmission
has 10 possible gear ratios – eight
­forward and two reverse (if the reverse
inhibit function is active) through the
gear sets. Below 7 mph, the transmission shifts into Reverse, but at a different gear ratio. When below 7 mph,
the C4 clutch is applied instead of the
continued on page 2
IN THIS ISSUE
New Seminars Cover the
Latest Technology. . . . . . . . . . . . . . . . . . . . . . . 1
New ACDelco Online Battery Catalog . . . . . 3
The All-New Corvette Stingray . . . . . . . . . . . 4
New ACDelco Technician Shirt Available . . 6
Choose Your TIS2Web Subscription. . . . . . . 6
Tech Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Training Update. . . . . . . . . . . . . . . . . . . . . . . . . 8
www.acdelcotechconnect.com,
click the Newsletters link
Follow ACDelco
Scan the code to
download a PDF
New Seminars Cover the Latest
Technology – continued from page 1
C3 clutch. This changes the gear ratio
for Reverse and acts as a cushion to
ease the shift into Reverse. This gear
ratio change works only if the vehicle
is in Drive or moving in a forward direction, and then shifted into Reverse. If
a normal shift from Park to Reverse is
performed, then the normal C3 clutch is
applied and the full Reverse gear ratio
is used.
The haptic feedback of GM’s active
safety seat in several new Cadillac
models also is covered in the seminar.
A vibration in the driver’s seat bottom
cushion alerts the driver of a number
of concerns. Two motors providing
the vibration are located on the left
and right sides in the seat cushion.
The modules that can request haptic
motor operation are the front and rear
parking assist control module, vehicle
camera module and side object sensor
­modules.
Diesel Technology Insights
(S-EP08-36.01SEM)
The Diesel Technology Insights seminar covers the common fuel rail s­ ystem
and emission reduction systems.
In addition, it includes several case
­studies reviewing diesel engine conditions found in a VW Jetta, Chevrolet
Silverado, GMC Savana, and Ford F-250.
In the seminar, various diesel engine
components are reviewed, such as
high-pressure fuel pumps that generate 26,000 psi or more of fuel pressure
and piezo fuel injectors that operate up
to five times faster than conventional
­solenoid valves. These are just two
components that enable the engine
to run more efficiently, which helps
reduce emissions.
Other emission reduction systems typically found on today’s
diesel engines include Exhaust
Gas Recirculation (EGR), the Diesel
Oxidation Catalyst (DOC), the Diesel
Particulate Filter (DPF), and Selective
Catalyst Reduction (SCR).
The SCR catalyst reduces NOx emissions by injecting Diesel Exhaust Fluid
(DEF), or urea, into the exhaust gases
prior to entering the SCR. The exhaust
heat converts DEF into ammonia that
reacts with the SCR to form nitrogen,
carbon dioxide and water vapor.
The case studies take a look at
some typical repairs. On the Jetta with
the 2.0L TDI engine, the oil pressure
­warning lamp is on but the oil level
is OK. The testing procedure covers
checking the oil pressure and switch.
The Silverado with the 6.6L Duramax
engine is low on power, is displaying
an Engine Power is Reduced message, and previously displayed a Clean
Exhaust Filter message. The case study
covers the service regeneration process
for the DPF along with several related
DTCs.
SRS and Safety Systems
(S-ST10-01.01SEM)
The SRS and Safety Systems
­ eminar covers the latest Supplemental
s
Restraint Systems (SRS), including the
subsystems and components, along
with safety and diagnostic procedures.
Topics include:
• SRS overview
• Sensor testing and tools
• Passenger Presence System
• Performing repairs
• Calibrating the system
• New safety technologies
New vehicles can have up to 10
airbags. The Sensing and Diagnostic
Module (SDM) can deploy the individual
airbag modules depending on several
conditions based on inputs from rollover sensors, side impact sensors, door
pressure sensors, front crash sensors
and rear impact sensors. The seminar
reviews the operation and testing of
these sensors.
The Passenger Presence System,
which communicates the occupancy
status of the front passenger seat to
the SDM, also is highlighted in the
seminar. Examples of several systems
from various manufacturers are covered. In addition, new technologies
are reviewed, including the Pedestrian
Impact Detection system, motorized
seat belt retractors, inboard side airbags, and active head restraints.
The case studies in the seminar take
a look at different reasons for the SRS
warning lamp being illuminated. One
study features a Ford Escape with an
illuminated SRS lamp and several DTCs
and reviews checking the circuits of
the Restraints Control Module. Another
study covers a Chevrolet Avalanche
continued on page 3
2
Volume 21, Number 3 (ST-PU-0003-14)
ACDelco TechConnect is published bi-monthly
and online for technicians of Professional
Service Center and Key Fleet accounts to
provide timely service information, increase
knowledge and improve the performance of the
service center.
ACDelco 360 represents our mission to look
at our businesses at every possible angle to
provide value and assistance to our distributors
and their customers as well as offer a full circle
of support with programs, tools, training and
marketing focused on enhancing and growing
our partnership successfully.
Publisher:
Rick Balabon, ACDelco
E-mail /
richard.balabon@gm.com
Senior Editor:
Greg St. Aubin, ACDelco
E-mail /
gregory.staubin@gm.com
Editor:
Peter Robert, ACDelco
E-mail /
peter.robert@gm.com
Technical Editor:
Mark Spencer
E-mail /
mspencer@gpstrategies.com
Production Manager:
Marie Meredith
Desktop Publishing:
5by5 Design LLC
E-mail /
dkelly@5by5dzign.com
Write to: *
ACDelco TechConnect
P.O. Box 500
Troy, MI 48007-0500
On the Web::
To read or print recent issues of
TechConnect:
–www.acdelcotechconnect.com,
click the Newsletters link.
ACDelco service tips are intended for use by p­ rofessional
technicians, not a “do-it-yourselfer.” They are written to
inform those technicians of c­ onditions that may occur on
some vehicles, or to provide information that could assist
in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and
know-how to do a job properly and safely. If a condition
is described, it cannot be assumed that the information
applies to all vehicles or that all vehicles will have that
condition.
All materials and programs described in this m
­ agazine
are subject to change. Submission of materials implies
the right to edit and publish. Inclusion in the publication
is not necessarily an endorsement of the individual or
the company.
TechConnect is published for ACDelco by Sandy Group,
Troy, MI.
©2014 ACDelco. All rights reserved.
New Seminars Cover the Latest Technology –
continued from page 2
where the passenger airbag is off when
the passenger seat is occupied. It provides information on the Passenger
Presence System DTCs, sensors, and
related modules.
Effective Use of Diagnostic
Resources (S-DS11-16.01SEM)
Understanding and effectively using
the multitude of resources available to
technicians in diagnosing and repairing
today’s vehicles are the focus of the
Effective Use of Diagnostic Resources
seminar. These resources include
content from manufacturers, the aftermarket, government and Internet-based
service information as well as scan
tools and diagnostic equipment. All
of this information that is available to
technicians can help reduce repair time
spent chasing unknown conditions and
unnecessarily replacing parts.
The seminar highlights various
­software-base resources, such as manufacturers’ service information, aftermarket service information, ACDelco
TechConnect and manufacturers’ reprogramming websites. Hardware-base
resources that are reviewed include the
Digital Multimeter, various scan tools,
oscilloscopes and diagnostic laptops.
A single source for training 24/7, the
ACDelco Learning Management System
(LMS), also is covered in the seminar,
explaining how to use the LMS for
training delivery and administration.
Learn More
Go to www.acdelcotechconnect.com
and click the Training tab to enroll in a
seminar scheduled in your area or to
check out all of the available training
courses on the ACDelco LMS, including a variety of classroom training and
Web-based courses.
–Thanks to Peter Robert
New ACDelco Online Battery Catalog
• Warranty information (contact your ACDelco representative for fleet/commercial warranty)
• Battery reset procedures (automotive only)
• Battery locator (automotive only)
• Product/technical information
• Compare function
The new ACDelco online Battery Catalog is available to
WIP users only. There are two ways to access the catalog:
click the direct link from ACDelco WIP; or from the Illustrated
Catalog, hover over the green Show Catalogs button at the
bottom of the Illustrated Catalog and click the Battery Catalog.
ACDelco WIP, ACDelco’s online parts ordering application,
now includes a new online Battery Catalog. This innovative
catalog offers more than just catalog listings; it’s a Battery
Information Center that contains details on battery construction, charging, testing, safety information, specifications
and more. The battery reset procedures and battery locator
information in the automotive search results/smart page are
industry-leading features.
The Battery Catalog is designed to help you quickly and
easily find the right battery. Categories include Cars & Light
Trucks, Powersports, Marine, and Other Motive. The Battery
Catalog opens to the Car/Light Truck section for quick searching. To search for Powersports, Marine, and Other Motive,
select the corresponding image.
For a Car/Light Truck or Powersports search, select the
year, make and model from the drop-down menus. The
Marine section returns all starting/cranking, deep cycle/trolling batteries. In the Other Motive section, use the menus to
­narrow your search results to find the appropriate battery.
In the Illustrated Catalog, hover over the Show Catalogs button to
access the Battery Catalog.
With the integration of another catalog into the ACDelco
Specialty Catalog “suite,” your entire order is contained in
a common shopping cart even when you move from one
­specialty catalog to another.
The search criteria is displayed at the top of the catalog and
in the results window so it’s easy to recall the application you
are searching for if you get interrupted. The search results
provide the following information:
• Cold Cranking Amps (CCA)
• Reserve capacity
• Four different image views (front, angle, side, top)
• Application notes
3
Let us know how you like the Battery Catalog or provide
your ideas to enhance any of the catalogs by clicking the
­feedback button on the bottom of the page.
To learn more about ACDelco WIP and the other the
ACDelco Specialty Catalogs — Illustrated, Battery, and Pigtail
— contact your ACDelco Representative.
–Thanks to Kelli Abbott and Kim LaClear
The All-New Corvette Stingray
The all-new 2014 Chevrolet
Corvette Stingray (C7) coupe
and convertible offer a driving
experience without compromise
in performance, technology or
design. The Stingray — a name
that harkens back to the original
1963 Sting Ray — is all new,
with the only carryover parts
from the 2013 Corvette being
the cabin air filter and the roof
rear latch.
Most Powerful Standard Model Ever
The 2014 Corvette Stingray is the most powerful standard
model ever, with the 6.2L V8 engine (RPO LT1) producing
455 horsepower (339 kW) and 460 lb.-ft. of torque (623 Nm).
It can accelerate from 0–60 mph in less than four seconds.
The all-new small-block V8 engine features a cast aluminum
block, cast aluminum cylinder heads with two valves per cylinder and a compression ratio of 11.5:1. Advanced technologies
include Direct Injection (DI), Active Fuel Management (AFM),
Continuously Variable Valve Timing and an advanced combustion system that delivers more power while using less fuel.
The available performance variable-mode active exhaust
system further enhances the engine’s output with improved
airflow. An exhaust tailpipe flow control valve is installed in
each tailpipe in the low restriction exhaust path of the dual
outlet muffler, near the exhaust tip. When the tailpipe exhaust
valves are open, the low restriction exhaust path is opened to
the atmosphere and produces a more powerful exhaust note.
The Chassis Control Module uses pulse width modulation
to control the actuator that opens the valves. There are four
specific exhaust performance modes that result in different
behavior of the valves:
Active Rev Matching — activated and deactivated by pressing
either of the REV MATCH paddles on the steering wheel —
aids in smoother shifting by matching the engine RPM to the
next selected gear. On downshifts, engine speed is increased
before the clutch is engaged. On upshifts, engine speed is
appropriately reduced.
The LT1 V8 is available with a 6-speed automatic transmission or a
7-speed manual transmission.
Checking Engine Oil/Dry Sump Oil Tank
• Weather/Eco Mode: valves closed at all times when the
engine is running.
For an accurate reading of the dry sump lubrication system,
check the oil level only after the engine has been thoroughly
warmed up, after at least five minutes but no more than 15
minutes after engine shutoff.
• Tour Mode: valves closed when the engine is idling
and during normal/non-aggressive driving; open during
­aggressive driving.
The LT1 engine uses a special high-performance oil filter,
UPF48R or equivalent. Use of any other filter may lead to filter
failure and/or severe engine damage.
• Sport Mode: valves open when the engine is idling and
during most driving scenarios.
A noise similar to running water may be heard from the dry
sump oil tank when the engine is cold and started. This is a
normal sound of oil returning to the tank.
• Track Mode: valves are open at all times.
The engine sound enhancement can be turned off in the
Vehicle Settings menu.
Models with the 6-speed 6L80 automatic transmission or
Z51 Performance Package feature a functional vent on the
driver’s left side directing air over a heat exchanger for the
transmission fluid and a similar arrangement on the passenger
side that directs air over a heat exchanger for the Electronic
Limited Slip Differential (ELSD) cooler.
Z51 Performance Package
The Z51 Performance Package is offered as the top
­ erformance Stingray. With the Z51 Performance Package,
p
the Stingray is capable of 1.03g in cornering acceleration –
comparable to the 2013 Corvette Z06 (1.04). The Z51 package
includes:
• larger forged aluminum 19-inch front and 20-inch rear
wheels
• dry sump oil system
The Stingray also is offered with a 7-speed Tremec
(TR6070) Manual Transmission with Active Rev Matching.
continued on page 5
4
Corvette Stingray –
continued from page 4
• Electronic Limited Slip Differential (ELSD)
• larger front brakes (13.6-inch vs. 12.6-inch) with black
­calipers
• specific shocks, springs and front stabilizer bars
• differential and transmission cooling
• a unique Aero Package that reduces lift for high-speed
stability
• P245/35ZR19 front and P285/30ZR20 rear Michelin Pilot
Super Sport ZP summer-only tires
Magnetic Selective Ride Control (instantly adjusts shock
damping) and Performance Traction Management (five settings of torque reduction and brake intervention) are available.
Brembo Brakes
Brembo brakes are standard on the 2014 Corvette Stingray.
The brakes feature an aggressive pad material for enhanced
braking capability. Brake dust and some slight noise are considered normal.
12.6-inch (320-mm) front rotors and 13.3-inch (338-mm) rear
rotors have 35% more swept area than previous-generation
brakes. This feature improves stopping distance by 9%.
Dual-cast, slotted 13.6-inch (345-mm) front rotors and
13.3-inch (338-mm) slotted rear rotors are included with the
Z51 Performance Package. They are cooled front and rear
for improved track capability. This feature improves stopping
­distance by 5%. The Z51 Performance Package uses a twopiece cast front rotor. A slight clicking noise may be heard
when the brakes are applied.
The 2014 Stingray has four available suspension systems.
The front and rear suspension features a short/long arm (SLA)
double wishbone design with cast aluminum upper and lower
control arms, transverse-mounted composite springs and
monotube shock absorbers.
TPM Auto Learn System
Functional exterior elements
on all models
include a new
grille/radiator
arrangement,
hood vents and
front fender
cove vents.
Venting air out
of the hood
reduces total
front-end lift for
improved steering response
at high speeds,
while the
fender vents
relieve underhood air pressure to reduce
­aerodynamic
drag.
Aerodynamics is aided by functional venting.
Interior features include configurable
display screens and a head-up display.
The lightweight materials,
including an aluminum frame; c­ arbon fiber hood and removable roof panel on coupes; c­ omposite fenders, doors and rear
quarter panels; and carbon-nano composite underbody panels
help provide an optimal 50/50 weight balance that supports a
world-class power-to-weight ratio.
Configurable display screens and an available head-up display, which vary depending on the driving mode, including the
Track display inspired by the C6.R, presents an unprecedented amount of information to the driver. Providing the driver
with all the vehicle data shows just how the new Corvette
Stingray — from design to materials to engineering — delivers
on its high-performance mission.
Coming Fast(er)
The new Tire Pressure Monitor (TPM) Auto Learn system
consists of wheel-mounted sensors that transmit RF messages to an in-vehicle receiver and to an Auto Learn Module.
These messages are then decoded and placed on the serial
data bus by the BCM so they can be displayed on the Driver
Information Center.
The sensors transmit whether they are located on the
LH side or the RH side on the vehicle based on direction
of ­rotation — CW or CCW. The Auto Learn Module detects
whether a sensor is located on the front axle or the rear axle,
depending on the sensor signal strength. This combination
allows the system to assign IDs to the corner locations on the
vehicle. The Auto Learn function is repeated at each ignition
cycle to confirm that the original sensors are still mounted to
the vehicle.
If a new sensor has been installed, the system will automatically detect and assign it to the proper corner. The relearn
process requires that the vehicle is driven at speeds greater
than 25 mph (40 km/h) for about 10 minutes.
Design
Many hours were spent in the wind tunnel to enhance
the performance and aerodynamics of the Stingray design.
5
2015 Corvette Z06
Even though the 2014 Corvette Stingray is packed with
performance, the most capable Corvette ever — the Corvette
Z06 — is coming in 2015. It features a new 625 horsepower
(466 kW) supercharged 6.2L V8 engine (RPO LT4) and an
available all-new high-performance 8-speed 8L90 automatic
transmission with full manual control.
The track-focused Z07 Performance Package adds
a­ ggressive aerodynamics for greater downforce, Michelin Pilot
Super Sport Cup tires, and Brembo carbon ceramic-matrix
brake rotors.
–Thanks to Art Spong and Sherman Dixon
Professional Service Center
New ACDelco Technician Shirt Available
Technicians can get comfortable in the new ACDelco relaxed fit shirt now available. The new
technician shirt brings the ACDelco brand to life with an exclusive design and recognizable
ACDelco color p
­ alette.
The technician shirt f­eatures:
• Sublimated ACDelco logo on front and
back for prominent brand r­ecognition
• Vented sides for comfort and ease of
movement
• Pencil and tire gauge pockets
• Hidden buttons provide a clean look and
protect vehicles while working
• 100% polyester fabric is lightweight and
approved for industrial laundry
• Short sleeve design is comfortable in
warm climates and allows for layering in
cooler climates
• Available in a wide variety of sizes to
accommodate tall and extended sizes
The ACDelco technician shirt can be
ordered at www.acdelcomerchandising.com
or by calling 1-877-845-3773. Use item
#A62547.
– Thanks to Jill Brown
Choose Your TIS2Web Subscription
TIS2Web is the Internet-based subscription service for GM
vehicle calibrations, Global Diagnostic System software and
Tech 2 diagnostic software updates. With a TIS2Web subscription, service centers can quickly and accurately diagnose
vehicles and perform necessary programming or other repairs
— all of which saves time while generating additional profits in
the service center.
There are a number of subscriptions available. Go to
www.acdelcotechconnect.com and click the TIS2Web link in
the Tool Box.
Available TIS2Web Subscriptions
Complete GM Service
Support Package
$3,100 per year; includes:
• GM Service Information
• Tech 2 Diagnostic Software Updates
• Tech 2 Snapshot
• GDS 2*
•Tech2Win**
• Service Programming Software
Tech 2 and Service
Programming Package
$1,395 per year; includes:
• Tech 2 Diagnostic Software Updates
• Tech 2 Snapshot
•Tech2Win**
• Service Programming Software
Service Programming
System (SPS) Only
$55 for 2 days, $275 for 3
months, or $995 per year;
includes:
• GM and Saturn software to update vehicle
calibrations
(GM vehicle calibrations may be looked up
at no charge)
Tech 2 Diagnostics
$750 per year; includes:
• Tech 2 Diagnostic Software Updates
GM Global Diagnostic
System 2 (GDS 2)*
$55 for 3 days, $225 per
month, or $550 per year;
includes:
• Diagnostic software for GM vehicles. 2010
coverage: Chevrolet Camaro, Equinox;
Buick Lacrosse; Cadillac SRX; GMC Terrain.
Additional for 2011: Chevrolet Cruze, Volt;
Buick Regal. Additional for 2012: Chevrolet
Orlando, Sonic; Buick Verano. Additional
for 2013: Chevrolet Captiva, Malibu, Spark,
Trax; Cadillac ATS, XTS. Additional for
2014: All GM North American vehicles.
Tech2Win**
$55 for 3 days; includes:
• Software to emulate Tech 2 diagnostics
on a PC or laptop. (Does not provide
programming capability.)
GM Vehicle
Communication Interface
Package
$750 per year; includes:
•GDS2*
•Tech2Win**
Subscription Licenses
With all TIS2Web subscriptions, ACDelco has recently
implemented a new security process. Users are issued three
licenses per subscription ID. This process is similar to many
other types of software licenses, including many from other
aftermarket service information providers.
Error E5529 is displayed when trying to access a TIS2Web
application if three licenses have been used.
If the three licenses have been used on three PCs, error
“E5529: The maximum number of client installations is exceeded for your user ID (please contact support)!” will be displayed
when trying to use an application in TIS2Web on a fourth PC.
The other three PCs will continue to have access to TIS2Web.
Additional licenses can be released under various circumstances, such as when a service center has updated the PC
operating systems or PC h
­ ardware. Contact the ACDelco eBusiness Helpdesk at 1-800-825-5886, prompt #3, for assistance.
–Thanks to Bob Stewart
*GDS 2 requires a GM Multiple Diagnostic Interface (MDI) tool or J2534-2
equivalent tool.
**Tech2Win requires an ISO 22900 PDU API compliant device.
6
TechTips
The following technical tips provide repair information about specific conditions on a variety of vehicles. If you have a tough or unusual
­service repair, the Diagnostic Hotline can help. Call 1-800-825-5886, prompt #2, from 8 a.m. to 8 p.m. ET Monday–Friday, to
speak with a technical expert with the latest OEM information.
Normal Propeller Shaft
Conditions
2008-2014 Buick Enclave; 2007-2014
Chevrolet Equinox, GMC Acadia;
2009-2014 Chevrolet Traverse;
2010-2014 GMC Terrain; 2012-2014
Chevrolet Captiva Sport; 2007-2010
Saturn OUTLOOK, VUE; equipped with
All-Wheel-Drive
During service of the suspension
­ ystem, a technician may notice that
s
the rear flange yoke on the propeller shaft may exhibit an unsmooth or
“notchy” feeling in the U-joint as it is
actuated. Look for obvious looseness in
the joint or seizure of the joint beyond
the “notchy” feeling during joint actuation. This can be wrongly diagnosed
as a brinelled bearing. These propeller
shaft conditions that may appear to
be issues with durability are actually
­normal conditions.
A “notchy” feeling in the U-joint is a
normal condition.
s­ ervice. This grease expulsion under
these conditions is normal and does not
cause any significant loss to the joint.
Extended Cold Crank with
Direct Injected Engines
2014-2015 Corvette, Silverado 1500,
Suburban, Tahoe, Sierra 1500 and
Yukon models equipped with the 4.3L,
5.3L, and 6.2L (RPOs LV3, L83, L86 and
LT1) Direct Injection (DI) engines
Direct Injection engines may have
slightly longer cold crank times,
­especially during cold ambient air temperatures, than that of port fuel injected
engines. Direct Injection systems run
at higher pressures and the mechanical pump on the engine must build up
the required pressure before the first
­injection event occurs.
Following are typical DI engine crank
times using gasoline:
Start-up Coolant
Temperature
Crank Time
Above 50°F (10° C)
up to 1.5 seconds
Between 50°F (10°C)
and 14°F (–10°C)
up to 2.5 seconds
Between 14°F (–10°C)
and –4°F (–20°C)
up to 3.5 seconds
Between –4°F (–20°C)
and –13°F (–25°C)
up to 5 seconds
Between –13°F
(–25°C) and –22°F
(–30°C)
up to 7 seconds
If the temperature is below –22°F
(–30°C), the recommendation is to
­perform an assisted start (such as with
the use of a block heater).
The front CV joint has a vent in the center
of the cap that may expel grease when
compressed during service.
The front CV joint has a vent in the
center of the cap that may expel grease
if the propeller shaft is heavily compressed at the front CV joint during
New DOT 3 Brake Fluid
A new DOT 3 brake fluid with significant improvements in lubricity, or the
capacity for reducing friction, is now
available from ACDelco to eliminate a
possible squeak noise condition with
the brake master cylinder.
The squeak noise may be most
noticeable when the brake pedal is
applied or released. It is most often
heard when the brake pedal is slowly
applied with the engine on or off. The
noise is usually isolated to the master
cylinder area.
The new DOT 3 brake fluid, ACDelco
10-4090 (GM P/N 19299818) supersedes DOT 3 brake fluid ACDelco
10-4046 (GM P/N 88862806). The
improved brake fluid should be used
in all GM vehicles that specify DOT 3
brake fluid.
To correct the squeak/noise condition, remove the brake fluid from the
brake master cylinder reservoir and refill
with the new DOT 3 brake fluid. Start
the vehicle and fully cycle the brake
pedal to allow the fluid to enter the system. The noise condition will diminish
while cycling the brake pedal.
Product Information
For free technical assistance and product
information regarding specific ACDelco
­products, contact these toll-free information
hotlines staffed by ASE-certified technicians:
Brakes – 1-888-701-6169 (prompt #1)
Chassis and ReadyStruts – 1-800-270-2124
When using ethanol (E85), an
engine may have an extended or longer
crank time during ambient air temps
of 0°F (−18°C) or colder. The engine’s
­longer crank time could be as long as
3 to 10 seconds or twice as long as
87 octane gas.
Clutches – 1-888-725-8625
The starting characteristics of E85
or Flex Fuel make it unsuitable for use
when temperatures fall below 0°F
(−18°C). Use gasoline or add gasoline
to the E85 or Flex Fuel.
Steering – 1-855-451-1212
7
Lift Supports – 1-800-790-5438
Shocks – 1-877-466-7752
Starters and Alternators (New) –
1-800-854-0076
Starters and Alternators (Reman) –
1-800-228-9672
Wiper Blades – 1-800-810-7096
TrainingUpdate
Manage My Training
Are you up to date on your training? How can
you find out? To view a training progress status
report customized to your t­raining record, go
to www.acdelcotechconnect.com, log in to the
training website and click the Training Progress
tab under Manage My Training. The training
progress status report provides an at-a-glance
snapshot of progress made toward the completion of each training path. Click the “Show
Detail” link to be taken to a detailed training
path, which provides quick access to course
information and additional training i­nformation.
The status report shows all the training paths
to which a person is currently assigned, along
Training progress status report
with a chart that identifies the courses completed in each path. It also shows detailed classes for each training path. Click the course number and title to view details on a
course or to enroll in the course.
To add or update a training path, click the “Select Training Paths” link.
How to Take ACDelco Training
Go to www.acdelcotechconnect.com and click the
Training tab to log in to the ACDelco Learning Management
System (LMS).
• To launch or enroll in courses in your training path, open
the home page to view your Training Progress Status
Report, select Show Detail, and then click the course
number and title to view details on a specific course and
to launch or enroll in the course.
• To enroll in an Instructor-Led Training (ILT) course
(ILTs are full-day hands-on classroom courses), click Take
Training > Catalog > Catalog Search and select InstructorLed Training under Delivery Type.
• To launch a Web-Based Training (WBT) course (WBTs
are 1-4 hour self-guided online courses), click Take
Training > Catalog > Catalog Search and select Service or
Business Web-Based Training under Delivery Type.
• To launch a TechAssist (TAS) course (TAS courses are
15-20 minute online presentations on a specific topic),
click Take Training > Catalog > Catalog Search and select
TechAssist under Delivery Type.
• To launch a Simulation (SIM) (SIMs require users to
complete all repairs for a condition), click Take Training
> Catalog > Catalog Search and select Simulation under
Delivery Type.
Training Schedule
Current Instructor-Led Training Courses
The following ILT courses are currently being scheduled:
Course Number
S-AC07-02.01ILT
S-AC07-03.01ILT
S-BK05-01.01ILT
S-BK05-03.01ILT
S-DS11-13.01ILT
S-EL06-10.02ILT
S-EL06-11.02ILT
S-EL06-13.01ILT
S-EL06-14.01ILT
S-EP08-04.01ILT
S-EP08-05.01ILT
S-EP08-06.01ILT
S-EP08-07.01ILT
S-EP08-08.02ILT
S-EP08-09.01ILT
S-EP08-81.02ILT
ST-PU-0003-14
Course Name
Automotive Air Conditioning Advanced Refrigerant System Diagnostics
HVAC Control System Operation and Diagnostics
Braking Systems
Electronic Brake and Chassis Controls: Is the vehicle really smarter than the driver?
Vehicle Network Communications: When modules talk, who is really listening?
Electrical Power Management
Enhanced Automotive Circuit Diagnosis
Body Electrical Global Diagnostics
Advanced Body Control System Electrical Diagnostics
Engine Performance Fault Monitoring and Emission System Diagnostics
Engine Performance Advanced Drivability Diagnostics
After Combustion Sensors: Is what is in the exhaust making your engine run rough?
Air Induction and Fuel Injection Systems
Evaporative Emissions Controls: Why is there always a code but never a leak we can find?
Spark Generation: Is a lack of spark sending you up in flames?
Duramax Diesel Operation and Diagnosis
8
– Thanks to Greg St. Aubin