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  #1  
Old 01-11-2011, 03:45 PM
Tom Evans
 
Join Date: Jan 2007
Posts: 180
Power Steering Leak

I had to replace the pressure power steering hose recently on my 1982 300SD. I thought it was a good opportunity to change the PS filter and fluid. Since I was having a little seepage around the Pitman arm, I tried Valvoline's Max Life Power Steering fluid. After a couple of thousand miles, I now have more than seepage. Other than the leak, this steering box is in good condition with an acceptable amount of play.

Here are my questions:

1. Did make a mistake using Valvoline power steering fluid instead of ATF?
2. Should I change out the power steering fluid with ATF and add some ATF anti-leak?
3. Can I just take off the housing adjacent to the Pitman shaft WITHOUT removing the Pitman shaft so that I can replace the two o-rings and seal? (The mesh adjustment is fine on this unit without excessive play) I see where seal kits are readily available from Meyle. I would probably want to replace the upper seals as well.

Any other suggestions or warnings from those who have done this job would be appreciated.

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  #2  
Old 01-11-2011, 04:30 PM
vstech's Avatar
DD MOD, HVAC,MCP,Mac,GMAC
 
Join Date: Mar 2006
Location: Mount Holly, NC
Posts: 26,843
I've used that PS fluid for many years. no issues.
if you have a leak, it's due to wear, not the fluid. I have no experience fixing leaks in the gearbox, sorry.
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  #3  
Old 01-11-2011, 06:26 PM
Stevo's Avatar
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Join Date: Apr 2002
Location: NW WA
Posts: 6,299
Wouldn't "power steering fluid" be better for the pump than the thinner ATF? Not meaning to stur anything up by contradicting the FSM

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