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A1gio2

Posted 2023-10-16 9:57 AM (#632353)
Subject: Heavy Power Steering Leak

Member

Posts: 20

I've developed a heavy power steering leak in my '55 Chrysler.

I'm brining the car to a new mechanic that has a good reputation with classics. I want to do my homework in advance of what might be the issue/culprit.

Is there something that's common to leak that he can likely fix without a rebuild or having to special order parts? The leak is heavy enough that it drained the PS bowl twice.

Shep

Posted 2023-10-16 10:54 AM (#632355 - in reply to #632353)
Subject: Re: Heavy Power Steering Leak

Expert

Posts: 3400
2000

Location: Chestertown, NY ( near Lake George)

Can't answer without knowing where the leak is, right?

ronbo97

Posted 2023-10-16 12:05 PM (#632357 - in reply to #632353)
Subject: RE: Heavy Power Steering Leak

Expert

Posts: 4043
2000

Location: Connecticut

Is it leaking from the reservoir onto the valve cover ?

Ron

57chizler

Posted 2023-10-16 1:09 PM (#632359 - in reply to #632353)
Subject: RE: Heavy Power Steering Leak

Expert

Posts: 3778
2000

Location: NorCal

If your pump has the top-mounted reservoir, there are "O" rings between the reservoir and the pump body. Most likely a common size that is readily available.

ronbo97

Posted 2023-10-16 3:19 PM (#632363 - in reply to #632359)
Subject: RE: Heavy Power Steering Leak

Expert

Posts: 4043
2000

Location: Connecticut

57chizler - 2023-10-16 1:09 PM If your pump has the top-mounted reservoir, there are "O" rings between the reservoir and the pump body. Most likely a common size that is readily available.

Chiz - There are O-rings, but there is an additional seal that I wasn't able to find. I tried to have it custom made, but it didn't work. I ended up swapping to a different pump, and so far, so good. Note: This is the 55-6 pump attached to the rear of the generator.

Ron

mikes2nd

Posted 2023-10-19 2:45 AM (#632400 - in reply to #632353)
Subject: Re: Heavy Power Steering Leak

Expert 5K+

Posts: 5006
5000

yeah wtf mine leaks also.. its the thompson... ive tried 2 new seals and some sealant... arg

56D500boy

Posted 2023-10-20 2:13 AM (#632409 - in reply to #632353)
Subject: RE: Heavy Power Steering Leak

Expert 5K+

Posts: 9911
5000

Location: Lower Mainland BC

.
If your PS pump is a Thompson, the seal PN is 1408 732 and there are several modern equivalents, e.g. the National Seal 6835S.

If I am wrong and your PS pump is an Eaton, I can repeat the same process and find the PS pump seal for it. Just let me know.

This is the Rock Auto search results for the 1408 732 seal:

https://www.rockauto.com/en/partsearch/?partnum=1408732+seal

Edited by 56D500boy 2023-10-20 2:15 AM