TRANSMISSION WINDING UP SOUND AT START AND S

1997 GMC C2500

Tiny

CCSTAR13

January, 14, 2008 AT 6:56 AM

Transmission problem
1997 GMC C2500 V8 Wheel Drive Type unknown Automatic 188345 miles

MY GMC IS MAKING LIKE A WINDING UP SOUND AND THEN WILL SHIFT GEARS NOW IT IS SLIPPING. THE RPM GO 3000-4000 AND SOMETIMES YOU CAN LEFT OFF THE GAS AND IT WILL CHANGE GEARS AND SOMETIMES IT WON'T AND THE RPM AT 50 -55 WILL STAY AT 2000- 2100. THE SERVICE ENGINE LIGHT HAS COME ON. THE FLUID WAS FULL? WHAT COULD THE PROBLEM POSSIBLY?

FOUND 13671 RELATED QUESTIONS

Transmission Flare

92 ANSWERS
4 IMAGES

Transmission Problem

19 ANSWERS
21 IMAGES

1 Answer

Tiny

merlin2021

January, 14, 2008 AT 7:57 AM

The facy you have a code means you have a starting point. Get the code(s) read. Aytozone wll do it free, then post the result here. There are a few TSB's on tranny's used in these trucks! It would be helpful to read the cod, and if possible tell me what tranny you have. Is it a diesel? What engine? V8 we have but there is a label under the hood, called V.E.C.I. The engine size in litre is on the label!

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