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904 oil pump passages #2148027
09/05/16 03:09 PM
09/05/16 03:09 PM
Joined: May 2004
Posts: 1,522
Ste-Sophie, Quebec, Canada
W
Wedgeman Offline OP
pro stock
Wedgeman  Offline OP
pro stock
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Joined: May 2004
Posts: 1,522
Ste-Sophie, Quebec, Canada
Looks like I'm not the only one here having problems with my 904 !
I see and hear a couple of people seeking informations for shifts problems.

Before I go and look for answers, I need to know what does what and where....

I tried to look for schematics on the oil pressure routing going out of the pump where they go and for what purpose.

A description of the holes around the oil pump

Where can I find infos and drawings on that ?

Dan

Re: 904 oil pump passages [Re: Wedgeman] #2148134
09/05/16 05:19 PM
09/05/16 05:19 PM
Joined: Feb 2003
Posts: 240
Pottstown, Pa.
S
sg1093 Offline
enthusiast
sg1093  Offline
enthusiast
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Joined: Feb 2003
Posts: 240
Pottstown, Pa.
I have a 72 Chry/Ply Service manual, and it has a few pages of fluid flow thru the trans in different valve positions.

Re: 904 oil pump passages [Re: Wedgeman] #2148218
09/05/16 07:58 PM
09/05/16 07:58 PM
Joined: May 2004
Posts: 1,522
Ste-Sophie, Quebec, Canada
W
Wedgeman Offline OP
pro stock
Wedgeman  Offline OP
pro stock
W

Joined: May 2004
Posts: 1,522
Ste-Sophie, Quebec, Canada
Ok...

Re: 904 oil pump passages [Re: Wedgeman] #2148242
09/05/16 08:30 PM
09/05/16 08:30 PM
Joined: Jan 2003
Posts: 25,785
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
Too Many Posts

Joined: Jan 2003
Posts: 25,785
Rio Linda, CA

Using the air test diagram below you can blow air through the labeled case passages and feel where the air exits the case with the pump removed...match the ports in the case to the openings in the pump body.

Air_tes.jpg

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