2005 Chevrolet Avalanche 1500 Questions

Answered 2005 Chevrolet Avalanche 1500 Questions

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It has been difficult to switch between 4 low 4 high or 2 wheel drive for about a year. It would do it but it took many attempts before it finally clicked. Now its in 4 lo and when you hit the button you hear clicki...
Check engine light on, i'm told its almost always gas cap, by friends and by guy who hooked it to computer. Have replaced gas cap twice, light still on. Some tell me the light HAS to be reset manually. Some tell me yo...
culd it be a sensor if so where is it located on a 1500 avalanche
My heated seat on my Avalanche comes on all by itself. It also turns itself up and down, as though possesed. The switch is on the driver door. My ass gets pretty hot in the summer months. I've had to unplug the conne...
When it rains or is high humidity my 4WD selector buttons/lights default to 4WD Low and won't change so I can't drive it to work or long distances. Can it be made to stay in 2WD all the time by deactivating it on the ...
Notice of "check Gas cap" came up dashboard Tuesday. Gas cap was tight. Repair shop Cleared code - light went out. On Wednesday check Eng light came on. Replaced Gas cap. Repair shop Cleared code again- light went out...
the battery is new and the connection are tight. When i turn the key it makes no sound at all. the lights are bright and the accessories work fine.
the rear end in my Avalanche has a whirring sound notice it gets quite taking curves when the pressure is on the rear driver side, the noise is louder as you take a curve to the left with pressure on the passenger whe...
white smoke coming out of the exhaust and rattle when acceleration
My oil pressure is running higher than before (40-45)and it fluxuates as the vehicle speed does. Oil Sensor or Oil Pump?
what does "check engine oil life 95%" mean
I dont what "check engine oil life 95%" means? it happen where my miles would nomally show.
My service stability light just came on, what the heck does that mean?
were are the secondary air injection check valves