Mechanics

CAN THE TRANNY OIL PUMP GO BAD? HOW DO I CHECK THE PRESSURE?

2001 Mercury Cougar • 163,000 miles

I HAVE CHANGED THE SOLENOID PACK AND TRANS RANGE SENSOR THE CAR SHIFTS INTO GEAR STRONG AND THEN THERES A LOST OF GEAR GIVE IT GAS AND GRABS AGAIN IM THINKING OIL PUMP.
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MY GARAGE
May 31, 2012.



I bet it is the front clutch piston having a bad seal. There would be no engagement if the pump was bad.

Does it go into reverse?

Roy

ASEMaster6371
May 31, 2012.
YES IT DOES BUT DOES THE SAME WHEN ITS COLD GRAB GOOD AS IT WARMS UP IT WILL GRAB AND LOSE.

Tiny
MY GARAGE
May 31, 2012.
You have an internal failure that will rewuire removal and most likely an overhaul.

There are many ports on the trans to check various pressures. You need gauges and a manual to identify each tap point. It will most likely confirm internal failure.

Roy

ASEMaster6371
May 31, 2012.