| Power Steering Fluid Preference? [message #195965] |
Sat, 19 January 2013 21:38  |
Clark76
Messages: 62
Registered: February 2010
Karma: -2
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I have developed a power steering leak somewhere. I changed the oil and checked the PS fluid and the reservoir was almost empty. I can see to the bottom of housing(that's low).
The fluid is reddish. The Prestone PS fluid I bought was clear/yellowish (I have not filled it up yet). At the parts store I also saw where they have a "stop leak" power steering additive. Another parts guy indicated that some older vehicles used transmission fluid in the PS reservoir. I did not see any reference in the manual other that GM 10500017 for fluid replacement.
What would be your choice of power steering fluid?
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| Re: Power Steering Fluid Preference? [message #195972 is a reply to message #195965] |
Sat, 19 January 2013 22:31  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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The GM maint manual supplement says GM PS fluid Part 1050017 or equiv for 77-78. I have box roughness with Dexron. You should be able to find Prestone ir house brands of PS fluid. If a hose is bad replace it.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: Power Steering Fluid Preference? [message #196025 is a reply to message #195965] |
Sun, 20 January 2013 18:13 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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I go with Dexron in the TH425 and Power Steering fluid in the steering. Stop leak might work on a shaft seal, but if a rubber hose is failing you are asking for a delayed major fail with stop leak. Also given the wiper system and filter screen, I wouldn't put stop leak in mine.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: Power Steering Fluid Preference? [message #196037 is a reply to message #195965] |
Sun, 20 January 2013 20:29 |
An87ttype
Messages: 157
Registered: September 2012
Karma: 0
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Stop leak will only work on shaft seals. I have used it many times for seal leaks. You need very little. If it doesn't work the first time, it will never work. If it works, I have found that it usually will work for a long time. If you don't have a seal leak, don't bother. Just my experience...
1975 Eleganza II
Hudson Valley NY
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