Thread: Restoring Rusty
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Old 03-12-2021, 04:57 PM   #6381
hatzie
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Location: Wentworth, NH
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Re: Restoring Rusty

Quote:
Originally Posted by Gregski View Post
yup, looks like your steering gear box came with the famous PLS option, aka Pavement Lubrication System!

honestly I found power steering fluid to be the nastiest of all of them, that includes brake fluid and transmission fluid which some people claim to be interchangeable, sometimes the leak could be caused by trying to mate later style O-ringed hoses to older style gear boxes, maybe I got those two backwards but i know ones had rubber orings in them and the others didn't, so using a newer hose on an older box aint always a better option
I think you mean power steering fluid and transmission fluid are said to be interchangeable. Sometimes they are. I used to run Dexron II and Dexron III in the power steering on my grandfathers' farm trucks in the late 1970's and early 1980's.
I wouldn't run Dexron VI in your power steering. Dexron III, if it still existed, would likely be just fine. Since it's no longer available I'll stick with Power Steering juice.

Glycol DOT3 or DOT4 Brake fluid has more in common with anti-freeze than oil.
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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