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07 avalanche gas gauge.

Discussion in 'Chevy Trucks' started by red07gsxr, Nov 11, 2008.

  1. red07gsxr

    red07gsxr Senior Member
    from meriden
    Messages: 256

    i have a 07 chevy avalanche 5.3L 4x4 new body style. the truck now has 45k on it so its out of the basic warrenty. i am having problems with the gas gauge. when i fill up it only goes to 3/4 of the tank. i am not sure if its a sending unit problem or something else. just started maybe a month or so ago. Any chevy techs is there any tsb's on it? some help would be great. thanks
  2. mkwl

    mkwl 2000 Club Member
    Messages: 2,362

    I had a similar issue with the speedo on my truck- was a common issue, took to a dealer for a new guage cluster- problem solved (knock on wood). I'd take it back to your dealer.
  3. SneekyTT

    SneekyTT Junior Member
    Messages: 21

    Did you get something about a class-action lawsuit against GM for the 2003-2004 speedo-s going bad? I got one and wasn't having any issues (plus I was out of the allowable mileage) and threw it away... then my speedo went out and says 120mph when parked and 0 when driving. I haven't bothered to fix it yet because I have my GPS and tells me my current speed.
  4. mkwl

    mkwl 2000 Club Member
    Messages: 2,362

    Yeah I got that- and also I got a letter from GM when I first bought the truck- and the truck had the same issue you're having- it lost the speedo then voltage guage- I'd get yours replaced ASAP- seems once one goes the others follow rather quickly.