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Exactly what your owner's manual states. More than likely 5w30.
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∙ 16y ago
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What spark plugs are used for a 2003 gmc envoy?
ac delco spark plugs are type that originally came with 2003 GMC envoy
How do you replace the oil pump on a 2003 gmc envoy?
Change oil pump 2003 Gmc Envoy
How many gallons of gas will a 2003 GMC envoy hold?
how many gallons of gass will a 2003 GMC Envoy hold
2003 gmc envoy bolt pattern?
6x5
What kind of light bulb to i get for the breaklight of my 2003 gmc envoy?
The 2003 GMC Envoy brake light lamp is a 3157. See sources and related links below for more information on bulbs.
Where is cabin air filter 2003 GMC Envoy?
They don't have one
Where is the thermostat located on a 2003 gmc envoy XL?
Should be a removable housing at the engine end of the upper radiator hose
How do you replace the timing belt on a 2003 GMC Envoy SLT?
The 2003 GMC Envoy inline 6 engine does not have a timing belt but a timing chain. No need to replace anything unless the chain breaks.
Where is the oxygen sensor 2003 gmc envoy?
My car when slow stop engine
Ckeck engine on 2003 gmc envoy?
take to your local dealer for diag.
2003 gmc envoy cabin filter?
These trucks do not have a cabin air filter.
How do you add transmission fluid to a 2003 gmc envoy?
Transmission fluid is added to a 2003 GMC Envoy by removing the dipstick and placing a funnel inside the tube. Fluid is then added and the level checked periodically using the dipstick.
