20 Most Recent 2002 Chevrolet Avalanche - Page 3 Questions & Answers

I, feel sorry for you, after reading your problem, but don't worry you visit the Reliable-Store they will help you for sure. Best Manuals

On the passenger side, under the truck. Up towards the exhaust manifold. Not a fun one to replace on the ground. The plug is up higher at the engine and transmission. Just a note. Both these codes don't usually appear at the same time. If you had recent transmission work done, I would say that the wires are pinched.

Sounds like you are a little low on refrigerant.

Sounds like it needs to be replaced.

fuse box contact under fuse panel two orange wires bad contact here wiggle wires around light may come on

It could be the fuel pump or just the fuel pump relay, try reseting the relay / breaker on the top of the firewall. Also have someone lister at the gas tank with the cap off when you turn on the key and see it they hear the fuel pump come on. Chevy's have loud pumps and are easy to hear. If it doesn't come on, try the reset or you may need a new pump. Sitting on its side could have run it dry and cause it to go bad.

Id use 5w30 in it

Conventional 5W30 is all that is recommended by the manufacturer for motor oil I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

have the fault codes read first then fix the area of the fault , rather that waste money changing out perfectly good items

Need a little humor now and then, anyway it sounds like you have a pinion gear bearing that's noisy, they really howl when they get worn out, in order to change this bearing the rear end gears must be removed, new bearings should be installed on all parts, 4 total, the metal from the failed pinion bearing will ruin the rest of the bearings, might as well only do it once, also change the axle bearings and seals while you are in there.

On this website (link below) you finde information where you find fuse box locations, diagram and description for Chevrolet Avalanche (2nd generation) - 2008 Chevrolet Avalanche 2nd Generation fuse box diagram Auto Genius

Thermostat comes to mind on this one.

sounds like a sensor is loose maybe not have good contacts?

I read this in a blog and it worked for my truck. I cleaned the throttle body and the air filter. It seems to be starving for air when you are just at idle cause it would not die when I was going down the road. Only if I was pulling into park with the rpms really low. Just pull the intake off and clean the throttle body. You will see a bunch of gunk. Clean it until it turns silver again.

Pull the plug and run a hot and ground wire to the blower. If it comes on, replace the resistor, right behind the blower. Doesn't matter which way you hook the wires.

YOU HAVE AIR IN THE POWER STEERING SYSTEM.YOU NEED TO BLEED POWER STEERING PUMP FIRST BEFORE DRIVING VECHICLE.CHECK POWER STEERING FLUID LEVEL ADD MORE POWER STEERING UNTIL REACH FULL COLD MARK..RAISE VECHICLE FRONT WHEELS OFF THE GROUND.START ENGINE LET IT IDLE WHILE TURNING STEERING WHEEL LEFT TO RIGHT NON STOP DONT LOCK OR STOP STEERING WHEEL KEEP TURNING IT SEVERAL TIMES CHECK POWER STEERING FLUID IF LOW ADD UNTIL YOU GET COLD MARK ON DIP STICK DONT OVER FILL POWER STEERING PUMP BLOW A SEAL.IF POWER STEERING FLUID LOOK TAN COLOR SYSTEM FULL OF AIR.TURN OFF IGNITION LET CAR SET FOR A WHILE CHECK FLUID LEVEL.IF STEERING WHEEL FEEL STIFF HARD TURNING DONT DRIVE CAR UNTIL YOU HAVE NORMAL STEERING.IF STILL HAVE AIR IN SYSTEM BLEED SYSTEM UNTIL AIR IS OUT.

try youtube for this one ,

Sometimes. Check all fuses. Otherwise a connection from hot has come lose.