Pulled plug on side of transmission for pressure test. Not pumping fluid. Is the pump bad
What is your question?
I changed all the valve body and parts. Truck drove one day the next day no move. If I increase pedal it will go in gear . Let up pedal back to no move. I was going to pressure test from side of trans. But no pressure
How long has your 1993 GMC C1500 had this problem?
RepairPal Certified shops can diagnose and repair your 1993 GMC C1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hello,
You either have a completely clogged filter, a bad pump, low fluid, or a defective gauge.
Also, the 4l80e will have different pressure in different ranges.
