Question about GMC K1500
It very hard to give an accurate diagnosis of the problem if you don't state at least the year of the vehicle because technology on cars change every couple of years, and a component that is on a vehicle this year, might not be on that model next year.
Here's a guess: if your truck is an older model, then it has a vacuum modulator on the side of the transmission. Often when these modulators go bad, the internal rubber diaphram ruptures and allows the engine to **** up transmission fluid.
Posted on Aug 07, 2008
SOURCE: White Smoke from tailpipe
If you find any coolant loss, likely the head gasket is beginning to leak or you have a small crack in the cylinder head that is opening up when it warms up. If you have it checked, you will save yourself large problems down the road. Sometimes you will see a slight greenish residue on spark plug electrodes. Sometimes even shop tests are inconclusive if leak is very small. But, I can't see the smoke from here and really can't advise further.
Posted on Apr 02, 2009
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