5r55w o/d servo cover

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Posts: 32
Joined: Thu Oct 31, 2013 3:06 pm

5r55w o/d servo cover

Post by motorcitymalone » Mon Mar 25, 2019 4:50 pm

Does anyone know what caused the o/d servo cover to blow out and take a chunk of the case where the snap ring goes with it. Obviously to much pressure but what caused that extreme pressure. Could it possibly be the solinoid pack or pcm. Only seen this once before but was on a 4r55e

Posts: 182
Joined: Wed Aug 10, 2016 6:53 pm
First Name: Rod
Last Name: Roy
Location: Calgary, Alberta

Re: 5r55w o/d servo cover

Post by carod » Thu Apr 18, 2019 10:56 pm

A sticking valve in the valve body can cause high pressure. I had a 5R55E
with a sticking FWD Modulator valve that caused high pressure.

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