Chevrolet Avalanche Questions Maintenance & Repair

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my 03 avalanche won't throw the shift's it will run on 3 shifft im thinking it my be the seloniods



My 04 avelanche takes 3 tries to start and after its driven for about 30 minutes it starts skipping and dies After I undo the battery neg terminal off and reconect it runs but the engine light ...


Can I Drive My 2004 Chevy Avalanche 4x4 Z71 For 200 Miles In Second Gear If...

long story

9 views with 2 answers (last answer about a month ago)

Why Does My Trans Keep Going Out?

I had my transmission rebuilt in my 2004 Avalanche 1500, Z71' 4x4 about 6 months ago. Since then they have rebuilt it again 2 more times. Now it is out again. The trans shop is supposed to be good b...

14 views with 2 answers (last answer about a month ago)

Engine Whining Noise!

Days after changing the oil on my truck a very loud whining noise started to come from my engine . At first it sounded like if it was the belt and tensioners but after i change them all the noise sti...

5 views with 4 answers (last answer about a month ago)

2008 5.3

I have a 2008 avalanche 5.3 had a collapsed lifter and oil consumption so had it rebuilt all new bearings lifters oil pump oil pressure switch. The oild pressure is perfect at 40 psi on warm up th...


Voltage On 2003 Chevy Avalanche 2500

I'm trying to change out cargo lights in the bed walls to LED the voltage from the dash switch is less than 12v and the lights are dim. How can I get 12v back to the bed without running new wire?


2003 Avenger Neutral Switch

Shifting letters do not light up. Adjusting neutral switch does not help. What now?

1 view with 1 answer (last answer about a month ago)

Transmission Issue

I have a 02 Chevy Avalanche Z71 and I just got a new transmission put in. It's still not shifting right and my 4x4 won't engage. Reverse works fine, but when I'm driving it won't shift into fist sm...

4 views with 1 answer (last answer about a month ago)

2004 Avalanche Fuel Filter

Does anybody know where the fuel filter for a 2004 Chevy avalanche is? Its not below the driver side door.


2003 Chev Avalanche

I have a 2003 Chev avalanche 1500 when Im driving my doors will lock and unlock and my dash needles will jump. 2nd question I just had my spark plugs changed and wires and oil change and fuel fil...

April Watts

Blower Motor

Blower motor want turn off. Killing battery. Also where is the fuse box in this truck.

Michael Friedrich

Articulating Running Boards

The articulating running board on the drivers side will not retract it either sticks at the bottom or goes almost all the way up and comes back down. Sometimes it will go up and stay up with a litt...

Robert Beams

Avalanche Transmission Not Engaging Into Drive

Last week when accelerating hard from a stop my 04 avalanche 1500 z71 (AUTOMATIC Transmission) didnt shift into 2nd. It made a loud sound. (sounded like i dropped the tranny. got out and everything ...

Jeff Leonard

04 Avalanche Will Not Shift Into Gear

Not sure what's going on... My fiancé has an 04 Avalanche (5.3, V8, 4x4). She said that she was driving down the road, stopped at a light, and when the light turned green, it wouldn't move. She tu...

25 views with 6 answers (last answer 2 months ago)

My 2003 Avalanche Driver Sear Will Not Go Forward? Everything Else Works.

Driver seat will not move forward.

12 views with 2 answers (last answer 3 months ago)

Why Does My 08' Avalanche Run 40 Psi Oil Pressure Cold After Oil Gets Hot P...

11 views with 1 answer (last answer 3 months ago)

What Does An Obd Code P0426 Mean On My 2006 Chevy Avalanche Z71?

My check engine light has been on for years and I finally checked it with a generic reader. Something to do with emissions, but I'm lost from there. Google gives me too many different answers...

48 views with 4 answers (last answer 3 months ago)
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