Page 537 of 580

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
.The ignition should turn to LOCK/OFF only when
the shift lever is in P (Park).
.The ignition key should come out only in
LOCK/OFF.
Contact your dealer/retailer if service is required.
Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it begins to
roll. Be ready to apply the regular brake at once
should the vehicle begin to move. Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
.To check the parking brake's holding ability: With
the engine running and the transmission in
N (Neutral), slowly remove foot pressure from the
regular brake pedal. Do this until the vehicle is held
by the parking brake only.
.To check the P (Park) mechanism's holding ability:
With the engine running, shift to P (Park). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
8-9
Page 538 of 580

Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.Usage Fluid/Lubricant
Engine OilThe engine requires a special engine
oil meeting GM Standard GM4718M.
Oils meeting this standard can be
identified as synthetic, and should
also 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 oil that meets GM Standard
GM4718M. For the proper viscosity,
see
Engine Oil on page 7‑15
Usage Fluid/Lubricant
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL®
Coolant. See
Engine Coolanton
page 7‑27.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 12377967,
in Canada 89021320).
Windshield Washer Optikleen
®Washer Solvent.
Power Steering System GM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic
Transmission DEXRON
®-VI Automatic Transmission
Fluid.
Key Lock
Cylinders Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
8-10
Page 539 of 580

UsageFluid/Lubricant
Chassis
Lubrication Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada 88901242)
or lubricant meeting requirements of
NLGI #2, Category LB or GC-LB.
Front and
Rear Axle SAE 75W-90 Synthetic Axle Lubricant
(GM Part No. U.S. 89021677,
in Canada 89021678) meeting
GM Specification 9986115.
Transfer Case DEXRON
®-VI Automatic Transmission
Fluid.
Front Axle
Propshaft Spline Spline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879,
in Canada 10953511) or lubricant
meeting requirements of
GM 9985830.
Usage
Fluid/Lubricant
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Outer Tailgate Handle Pivot
Points 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).
Weatherstrip Squeaks Synthetic Grease with
Teflon, Superlube
(GM Part No. U.S. 12371287,
in Canada 10953437).
8-11
Page 540 of 580
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer.
Maintenance Replacement Parts
PartGM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 15908916A3086C
Oil Filter 89017524PF48
Spark Plugs 1262125841-110
Wiper Blades
Front –21.6 in (55.0 cm) 25877402—
8-12
Page 541 of 580
Engine Drive Belt Routing
8-13
Page 542 of 580
Maintenance Record
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance receipts.
Maintenance Record
DateOdometer
Reading Serviced By Maintenance Stamp Services Performed
8-14
Page 543 of 580
Maintenance Record (cont'd)
DateOdometer
Reading Serviced By Maintenance Stamp Services Performed
8-15
Page 544 of 580
Maintenance Record (cont'd)
DateOdometer
Reading Serviced By Maintenance Stamp Services Performed
8-16