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  1. #1

    Smile 2004 Silverado Manual Tran Buck/Surge 1st Gear

    Hi, I have a 2004 Silverado (regular cab, 4x4) with manual transmission.
    I bought this truck last year with about 20K miles on it.

    I have a problem on cold starts. The truck starts to surge/buck in 1st gear
    (even on gentle taps to the gas). This problem goes away once I drive
    around a bit in higher gears. Also, after the initial cold start, the problem
    does not re-appear in the same day. The problem re-appears when the
    truck is undriven for 2 or more days and then a cold start is attempted.

    I do not know if this is a manual transmission problem or a problem with
    the air/gas intake. Has anyone encountered a similar problem with their
    vehicles? Any suggestions or ideas would be greatly appreciated.
    Thank you all very much and have a great day.
    Chevy Transmission

    - Chevy123

  2. #2

    Default

    Sounds like you may be low on tranny fluid or something. The fluid may just need changing. I would think it's because the tranny fluid is not warming up enough to be viscous. I do remember reading/hearing somewhere that you're not supposed to drive until the tranny has warmed up, but who does that? With a manual tranny, I don't think you don't have all the complicated valve bodies that auto trannies do, so I wouldn't think it's something related to that. I'll let some of the more experienced people run with it..but tranny fluid definitley seems like a good starting place.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 277K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



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  3. #3

    Default Tranny Fluid

    Thank you for that suggestion. I will look at transmission fluid level. If
    I recall, its not easy to access the fluid for manual transmission silverados.
    It does seem a bit ridiculous if I really have to wait around until the tranny
    fluid warms up especially with a 2004 truck.

    Chevy123

  4. #4
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    Default

    I think the reference was for an automatic transmission. If it isn't clutch shudder, I would follow your suspicion of a fuel issue. Don't forget to take a look at the condition of the plugs and wires too.

    Silverado Parts
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  5. #5

    Default

    Thanks for the advice. This truck had a fuel system flush and spark plug check
    in July of 2006 (by prior owner). It was done at a Chevy dealer. I wonder if
    that problem is related to what I'm encountering now.

    chevy123

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