GMC 2010 Sierra - Manual (Page 605)

. Engine cooling system inspection. Visual
inspection of hoses, pipes, fittings, and clamps and
replacement, if needed.
. Windshield wiper blade inspection for wear,
cracking, or contamination and windshield and
wiper blade cleaning, if contaminated. See
Windshield and Wiper Blades on page 6‑126. Worn
or damaged wiper blade replacement. See
Windshield Wiper Blade Replacement on
page 6‑69.
. Body hinges and latches, key lock cylinders,
folding seat hardware, and tailgate hinges, linkage,
and handle pivot points lubrication. See
Recommended Fluids and Lubricants on
page 7‑13. More frequent lubrication may be
required when vehicle is exposed to a corrosive
environment. Applying silicone grease on
weatherstrips with a clean cloth makes them last
longer, seal better, and not stick or squeak.
. Restraint system component check. See Checking
the Restraint Systems on page 2‑94.
. Automatic transmission fluid level check and
adding fluid, if needed. See Automatic
Transmission Fluid (4-Speed Transmission) on
page 6‑24 or Automatic Transmission Fluid
(6-Speed Transmission) on page 6‑28.
. Four‐wheel drive vehicles: Transfer case fluid level
check and adding fluid, if needed.
. Engine air cleaner filter inspection. See Engine Air
Cleaner/Filter on page 6‑22.
. Vehicles with diesel engine or GVWR above
4 536 kg (10,000 lbs) only: Shields inspection for
damage or looseness. Adjust or replace as
required. This is a Noise Emission Control Service.
Applicable to vehicles sold in the United States
and recommended for vehicles sold in Canada.
Additional Required Services
At the First 160 km/100 Miles, 1 600 km/
1,000 Miles, and 10 000 km/6,000 Miles
. For vehicles with dual wheels: Check dual wheel
nut torque. For proper torque, see Capacities and
Specifications on page 6‑137.
At Each Fuel Stop
. Engine oil level check. See Engine Oil on
page 6‑17.
. Engine coolant level check. See Engine Coolant
on page 6‑33.
. Windshield washer fluid level check. See
Windshield Washer Fluid on page 6‑43.
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