Question about 1993 GMC Suburban

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Transmission doesnt shift properly when truck has warmed up

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  • nicco48 Oct 08, 2009

    i resently did filter and fluids why does it do this only when warmed up

  • nicco48 Oct 08, 2009

    ty had a feeling this was the next step

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First of all, if you haven't had the Transmission fluid and filter changed in a few years, first do that as that would be the cheapest option and the fluid just might be going bad with the age of this truck. This is pretty simple to do. Make sure to do it when the fluid is cold and that you replace the gasket of the transmission pan and remove the old gasket cleanly otherwise you might get a leak. (A new gasket comes with the filter). The fluid and filter can be bought at any auto parts store.

If that doesn't help, then unless you know how to tear apart a transmission, take it to a transmission shop since it is a pain to deal with for anyone without a lot of prior knowledge as you solenoids in the trans. might be going bad.


Benjamin

Posted on Oct 08, 2009

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