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  1. #1

    Default Transmission shifting problems..

    I have a 2004 Silverado 1500 5.3L V8, Automatic with 78,XXX miles.
    Been having problems with my transmission for about a week now..
    The transmission seems to be shifting weird from second into third.. almost like it takes a while to shift or it might be slipping.

    I just changed my transmission fluid and filter about 10,000 miles ago. I had a friend of mine who owns a transmission shop do it.. I'm 100% sure he used the correct fluid and filter, and the level is right where it's suppose to be..

    I added some "Lucas Transmission Fluid Stabilizer" to it today, but it didn't seem to help much.

    Is there any kind of warranty extension for the transmission on these vehicles? Or does GM pretty much tell their loyal customers that it's normal for a transmission to fail after 78,XXX miles of normal use???
    2012 Silverado 1500
    2004 Silverado 1500 (SOLD): http://tinyurl.com/JRD761sTruck
    1977 Silverado C20:
    http://tinyurl.com/JRD761-1977-C20

  2. #2

    Default

    Have you had the truck scanned for trans codes? I would start there. Your friend at the trans shop should be able to do that.

  3. #3
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    Default

    Quote Originally Posted by silveradotrailblazer View Post
    Have you had the truck scanned for trans codes? I would start there. Your friend at the trans shop should be able to do that.
    X2.. it could just be a sensor or Solinoid.
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

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    "Hold it to the floor till you see God.... Then Brake!!!!"

  4. #4

    Default

    I haven't, no. His shop is a good 2 hour drive away from me..

    Is it something a code reader would pick up? There's no check engine light on right now... I do have another buddy that has a pretty decent code reader.. I know it picked up trans codes for his VW Jetta, so maybe it would for this?

  5. #5

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    I'd give your other buddy code reader a try. Can't hurt.

  6. #6
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    Quote Originally Posted by silveradotrailblazer View Post
    I'd give your other buddy code reader a try. Can't hurt.
    Agreed, a cheaper one will not but if it did on the Jetta then hopefully it will since usually the VW is harder to work on anyhow.

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