You must pull off the plastic panel from the inside of the truck to access the lights.
Change oil pump 2003 Gmc Envoy
#14
every 50,000 miles
if you mean the running lights in the bumper. you can push on the one side of it lightly and it will depress, then slide it in the direction that it pushed in. the other side should pop out. then reverse the steps to reinstall it
At 100,000 miles or 160,000 kilometres you change the spark plugs. www.trailvoy.com All the answers for your Envoy/Trailblazer from true enthusiasts!
check reverse light switch on transmission.
how many gallons of gass will a 2003 GMC Envoy hold
When the change oil indicator lights up.
apparently you don't have one. gm stopped including them after 2003
ac delco spark plugs are type that originally came with 2003 GMC envoy
Not really but they are easy to change and readily available at any salvage yard.
The fuel pump on a 2003 Envoy is changed by removing the gas tank support straps, lowering the fuel tank, and disconnecting the fuel lines. The wiring harness is then disconnected, the pump unbolted, and the removed to allow the new pump to be installed.