Question about 1999 GMC Suburban

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1998 GMC surburban transmission, runs fine when first started up

No sliping or nothing, once it gets warmed up it shuts down with a little rattle in the transmission. Must shut off engine and restart and it will go a ways then the transmission shuts down again like your in neutral.

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  • Anonymous Mar 12, 2014

    starts up cold, shuts down when it gets warm

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Sounds like clutch material is clogging your filter and you are losing pressure.You can try a trans flush and new filter but that would be just a band aid.What happens is the clutch fibers clog the filter and whed you shut it down they fall off but when you start it up again they get sucked back in and it clogs again.

Posted on Dec 17, 2008

  • aortizcontra
    aortizcontra Dec 22, 2012

    car was runing good and trans stop all shut down while runing

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