What to Use
For 218 mm rear drive module
(RDM) V6 manual, V8 automatic
and V8 manual:
To add lubricant when the level
is low, use 75W-90 LS gear oil
(GM Part No. US 89021677
and 1052358, in Canada
Part No. 89021678 and 992694)
meeting GM Specification 9986226.
To completely refill after draining,
seeRecommended Fluids and
Lubricants on page 10-7. Then fill
to the bottom of the filler plug hole
with the Synthetic Gear Lubricant.
For 195 mm RDM V6 automatic:
To add lubricant when the level
is low, use 75W-90 gear Oil
(GM Part No. US 89021677,
in Canada Part No. 89021678)
meeting GM Specification 9986115.
To completely refill after draining,
seeRecommended Fluids and
Lubricants on page 10-7. Then fill
to the bottom of the filler plug hole
with the Synthetic Gear Lubricant.
Starter Switch Check
{WARNING
When you are doing this
inspection, the vehicle could move
suddenly. If the vehicle moves,
you or others could be injured.
1. Before starting this check,
be sure there is enough
room around the vehicle.
2. Firmly apply both the parking
brake and the regular brake.
SeeParking Brake on page 8-32.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it starts.3. For automatic transmission
vehicles, try to start the engine
in each gear. The vehicle
should start only in P (Park) or
N (Neutral). If the vehicle starts
in any other position, contact your
dealer/retailer for service.
For manual transmission
vehicles, put the shift lever in
Neutral, push the clutch pedal
down halfway, and try to start the
engine. The vehicle should start
only when the clutch pedal is
pushed down all the way to the
floor. If the vehicle starts when
the clutch pedal is not pushed
all the way down, contact your
dealer/retailer for service.
Vehicle Care 9-31
Turn on the hazard warning flashers.
SeeHazard Warning Flashers on
page 5-4.
{WARNING
Changing a tire can be dangerous.
The vehicle can slip off the jack
and roll over or fall on you or other
people. You and they could be
badly injured or even killed. Find
a level place to change your tire.
To help prevent the vehicle from
moving:
1. Set the parking brake firmly.
2. Put an automatic
transmission shift lever in
P (Park), or shift a manual
transmission to 1 (First) or
R (Reverse).
(Continued)
WARNING (Continued)
3. Turn off the engine and do
not restart while the vehicle
is raised.
4. Do not allow passengers to
remain in the vehicle.
To be certain the vehicle will not
move, put blocks at the front and
rear of the tire farthest away from
the one being changed. That
would be the tire on the other side,
at the opposite end of the vehicle.
This vehicle may come with a jack
and spare tire or a tire sealant
and compressor kit. To use the jack
and spare tire, follow the instructions
below. To use the tire sealant and
compressor kit, seeTire Sealant and
Compressor Kit on page 9-71.When the vehicle has a flat tire (B),
use the following example as a
guide to assist you in the placement
of wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains
how to repair or change a tire.
9-70 Vehicle Care
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Engine Oil (V6 Engine) Engine oil which meets GM Standard GM6094M and displays the
American Petroleum Institute Certified for Gasoline Engines starburst
symbol. To determine the proper viscosity for the vehicle’s engine, see
Engine Oil on page 9-10
.
Engine Oil (V8 Engines) The engine requires a special engine oil meeting GM Standard GM4718M.
Oils meeting this standard can be identified with the American Petroleum
Institute (API) Certified for Gasoline Engines starburst symbol. However,
not all synthetic API oils with the starburst symbol will meet this GM
standard. Look for and use only an oil that meets GM Standard GM4718M.
For the proper viscosity, see
Engine Oil on page 9-10.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®
Coolant. See
Engine Coolant on page 9-19 .
Hydraulic Brake System Hydraulic Brake Fluid (GM Part No. U.S. 88862806, in Canada 88862807).
Hydraulic Clutch System Hydraulic Brake Fluid (GM Part No. U.S. 88862806, in Canada 88862807). Windshield Washer Optikleen
®Washer Solvent.
Hydraulic Power Steering System DEXRON®-VI Automatic Transmission Fluid.
Parking Brake Cable Guides Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Automatic Transmission DEXRON
®-VI Automatic Transmission Fluid.
Manual Transmission (V6 Engine) SAE 75W-90 GL5 Gear Oil (GM Part No. U.S. 88862475,
in Canada 88862476).
Service and Maintenance 10-7
UsageFluid/Lubricant
Manual Transmission (V8 Engine) Manual Transmission Fluid (GM Part No. U.S. 88861800,
in Canada 88861801).
Rear Axle (V6 Engine with Automatic Transmission) Rear Differential Fluid 75W-90 to GM Specification 9986155.
GM Part No. U.S. 89021677, in Canada 89021678.
Rear Axle (V6 Engine with Manual Transmission) Rear Differential Fluid 75W-90 Limited Slip to GM Specification 9986226.
GM Part No. U.S. 89021677 and Friction Modifier 1052358,
in Canada 89021678 and Friction Modifier 992694.
Rear Axle (V8 Engine) Rear Differential Fluid 75W-90 Limited Slip to GM Specification 9986226.
GM Part No. U.S. 89021677 and Friction Modifier 1052358,
in Canada 89021678 and Friction Modifier 992694.
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293,
in Canada 992723) or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood, Door, and Folding Seat Hinges Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518)
or Dielectric Silicone Grease (GM Part No. U.S. 12345579,
in Canada 992887).
10-8 Service and Maintenance