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  #1  
Old 01-08-2020, 04:27 PM
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'81 300sd Need diagram to repair PS pump

Looks like I have a PS leak and it is not a hose. Does anyone have a blow up of the PS pump so I can see where seals might need to be replaced?

Thx.

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  #2  
Old 01-08-2020, 04:30 PM
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There's a kit available and there's one input shaft seal. Any of the major parts websites will stock it. 2 main leak prone areas are input shaft seal and big o-ring in the back of pump
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  #3  
Old 01-08-2020, 04:49 PM
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Great. Will try Peachparts. Happen to have a diagram?
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  #4  
Old 01-08-2020, 08:55 PM
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There's not that many parts where you need a diagram. Just take some photos as you disassemble it and there's not too much to mess up.

Something about working on classic cars where I am used to not having any diagrams available.
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  #5  
Old 01-09-2020, 09:33 AM
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Interesting. Peachparts shows a kit with three orings, a kit with four orings, and a kit with about fifty different pieces.
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  #6  
Old 01-09-2020, 10:56 AM
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Ditto on front shaft seal and rear o-rings. Re: kits, I’ve done this a couple times. Even when you get the right kit there are a few O-rings left over.

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