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Old 09-30-2011, 11:11 AM
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T-350 Front Pump Question

Hi All,
This is my first time posting here, because I have a question on installing a TH350 front pump. I did a search but didn't find what I was looking for.

I picked up this trans that had already been disassembled. I have it all reassembled but don't know if there is a certain position the front pump needs to be in. It wasn't marked before taken out. Do the holes only line up in a certain position? Or does it matter?

Thanks in advance.

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Old 10-01-2011, 05:21 AM
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Pretty sure it's keyed to fit only one way...

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Old 10-01-2011, 06:24 AM
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The pump can go in only one way for the bolt holes to all align correctly. Below are some links showing the pump, how to inspect it, how it's aligned/centered and how to use dowels made from bolts w/their heads cut off to help install the pump.

The pump has both a gasket under it and an O-ring around the outside of it to seal it to the case- both need to be in place.

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Old 10-01-2011, 04:17 PM
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Thanks guys, once I looked at it closer I saw how a couple holes are offset to align it only one way but still appreciate the responses.
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