Question about GMC Sierra 1500
Sounds like u have over fill the tranny with fluid,Transmission fluid is checked while the vehicle is running and in park let the motor/transmission heat up to normal operating temp.pull dip stick and see where the fluid is, it should be right around the full mark,just as long as it is in the hash marks on the dip stick is fine NEVER CHECK TRANNY FLUID WHEN IT IS COLD OR ENG IS NOT RUNNING on automatic tranny this will result in a in false reading.
If u have over filled it u have to drain some of the fluid out this is a messy job put a large contaner like a tub for draining oil from the eng.trnny's do not have drain plugs sooo u have to very carfully unbolt the oil pan not all the way though just a enough to let some fluid drain out,u might have to use a small flat blade screw driver to pry lose the oil pan Becareful not to damage the gasket,when u go to retighten the bolts,tighten them figer tight then about a quarter turn with a wenrch do not over tighten this will cause a weak,,hope this helps
Posted on Apr 02, 2011
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Posted on Jan 02, 2017
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