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10-07-2008, 12:25 AM
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#1 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Power steering squeal
When ever I turn the wheels all the way to the locks on either side, I get a loud squealing sound. Doesn't sound like the belt is slipping. What can I do to stop this ? Sometimes I forget to turn the wheel slower as I get closer to the locks, and it's kind of embarrassing to have your vehicle making odd noises.
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1977 GMC Sierra Grande Last edited by Pyrotechnic; 10-07-2008 at 12:44 AM. |
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10-07-2008, 12:45 AM
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#2 |
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Registered User
Join Date: Nov 2002
Location: lacenter, washington
Posts: 718
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Re: Power steering squeal
mine does the same thing. wd-40 cured that problem.
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10-07-2008, 06:25 AM
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#3 |
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Georgia Boy
Join Date: Jun 2008
Location: Douglas, Georgia
Posts: 370
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Re: Power steering squeal
I had the same problem.. put a new belt on, still did it.. found out that both belts, old and new, were sitting too low in the pulleys.. and that was causing the squeal. Check it out.
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10-07-2008, 10:46 AM
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#4 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Power steering squeal
yeah its definately the belt slipping causing the squeal
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! Last edited by old Rusty C10; 10-07-2008 at 10:46 AM. |
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10-09-2008, 02:29 PM
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#5 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: Power steering squeal
I've done more searching and about the best thing and I found several things. I have a brand new belt and brand new Alan Grove brackets which are extremely sturdy, more so than stock brackets.
One was that "the air was not fully bleed out of the pump and that could cause it to squeal when turned against the locks." Another was that "these older pumps don't have high pressure relief valves. Newer pumps do because people insisted on turning the steering wheel hard against locks which tends to burn up the older style pumps." What is the correct answer ? I still know. I'm going to read through my 77 GMC manual and see if it contains any info on this. I'm just really surprised there is not more info about this. Everyone acknowledges that there is in fact a squeal when turning against the locks. Every power steering pump I've had of this design does it, BUT, I still do not know if these trucks did this right off the show room floor, or if there is a solution to the problem.
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1977 GMC Sierra Grande Last edited by Pyrotechnic; 10-09-2008 at 02:30 PM. |
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10-09-2008, 02:30 PM
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#6 |
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Registered User
Join Date: May 2008
Location: Eville IN.
Posts: 365
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Re: Power steering squeal
all mine do it ,,its the pump going full pressure at lock
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