Owner Checks And Services; At Each Fuel Fill - GMC 2005 Envoy Owner's Manual

(i) Drain, flush, and refill cooling system. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-23 for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and filler neck. Pressure test the
cooling system and pressure cap.
(j) A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the fluid level checked. Add fluid if needed.
(k) If you drive regularly under dusty conditions, inspect
the filter at each engine oil change.
(l) Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.

Owner Checks and Services

These owner checks and services should be performed
at the intervals specified to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench
you with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Recommended Fluids and Lubricants on page 6-12.
6-8
®
dealer can assist

At Each Fuel Fill

It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. See Engine Oil on page 5-15 for
further details.
Notice: It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
®
DEX-COOL coolant mixture if necessary.
See Engine Coolant on page 5-23 for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer tank and add the proper fluid if necessary.