2010 GMC SIERRA Owner's Manual

Owner Checks and Services
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. See Parking Brake on page 3‑50.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. 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.
Automatic Transmission Shift Lock
Control System 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. It should be parked on a
level surface.
2. Firmly apply the parking brake. See Parking Brake
on page 3‑50.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON/RUN, but do not start the engine. Without applying the
regular brake, try to move the shift lever out of
P (Park) with normal effort. If the shift lever moves
out of P (Park), contact your dealer/retailer for
service.
7-11

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.
Recommended Fluids and
Lubricants
This maintenance section applies to vehicles with a
gasoline engine. If the vehicle has a diesel engine
and/or an Allison Transmission, see the maintenance
schedule section in the DURAMAX
®Diesel manual.
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.
7-12

UsageFluid/Lubricant
Engine OilEngine oil which meets GM Standard
GM6094M and displays the American
Petroleum Institute Certified for
Gasoline Engines starburst symbol.
To determine the proper viscosity for
your vehicle's engine, see
Engine Oil
on page 6‑18.
Engine Coolant 50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. See
Engine Coolanton
page 6‑31.
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.
Usage Fluid/Lubricant
Key Lock
Cylinders Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Floor Shift Linkage Lubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293,
in Canada 992723) or lubricant
meeting requirements of NLGI #2
Category LB or GC-LB.
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 Axle (1500 Series) ‐Four‐
Wheel Drive SAE 80W-90 Axle Lubricant
(GM Part No. U.S. 89021671,
in Canada 89021672).
Front Axle
(1500, 2500 HD, and 3500 HD Series) SAE 75W-90 Synthetic Axle Lubricant
(GM Part No. U.S. 89021677,
in Canada 89021678) meeting
GM Specification 9986115.
Rear Axle SAE 75W-90 Synthetic Axle Lubricant
(GM Part No. U.S. 89021677,
in Canada 89021678) meeting
GM Specification 9986115.
7-13

UsageFluid/Lubricant
Transfer Case
(Four‐Wheel
Drive) DEXRON®-VI Automatic Transmission
Fluid.
Front Axle
Propshaft Spline
or One-Piece
Propshaft Spline (Two-WheelDrive with
4‐Speed Auto. Trans.) Spline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879,
in Canada 10953511) or lubricant
meeting requirements of
GM 9985830.
Rear Driveline Center Spline Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada 88901242)
or lubricant meeting requirements of
NLGI #2, Category LB or GC-LB.
Hood Hinges Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Usage
Fluid/Lubricant
Body Door
Hinge Pins,
Tailgate Hinge and Linkage,
Folding Seats,
and Fuel Door Hinge Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Tailgate Handle Pivot Points,
Hinges, Latch Bolt, andLinkage 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).
7-14

Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer.
If your vehicle has the DURAMAX
®diesel engine, see the DURAMAX®Diesel manual for more information.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter
Standard Filter 15908916* A3086C*
High Capacity Filter 15908915 A3085C
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 89017524 PF48
Spark Plugs 4.3L V6 12568387 41-101
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 12621258 41-110
Wiper Blades –21.6 in (55.0 cm) 25877402 —
*15908915 (A3085C) high-capacity air cleaner filter may be substituted.
7-15

Engine Drive Belt Routing
V6 Engines
V8 Engines
If your vehicle has the DURAMAX
®Diesel engine, see
the DURAMAX®Diesel manual for more information.
7-16

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 Services Performed
7-17

Maintenance Record (cont'd)
DateOdometer
Reading Serviced By Services Performed
7-18