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04-08-2019, 01:03 PM
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#1 |
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Registered User
Join Date: Feb 2018
Location: Snellville GA
Posts: 104
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Power Steering Pump Seal vs O-ring
I started to rebuild my PS pump and ran into an issue. The seal kit I purchased included o-rings and not the square shouldered seal on the pump. I figured one was as good as the other but soon discovered there is a difference. With the o-ring, I was unable to install the pump tank on the pump. The o-ring would not stay seated in the grove around the pump. I tried it will fluid on the seal but it was still too tight to install the reservoir.
Has anyone done the install with the o-ring? If not, where did you find the correct seal? Thanks! |
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04-08-2019, 03:16 PM
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#2 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Power Steering Pump Seal vs O-ring
I thought they were all o-ring. The bolt seals are square cut.
__________________
My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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04-10-2019, 08:23 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,180
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Re: Power Steering Pump Seal vs O-ring
Up to 77 the pumps used a square cut seal instead of an O ring...
GM part number is 5688015 Jegs lists the kit under https://www.jegs.com/i/OER/691/12535...SAAEgIRS_D_BwE Hope this helps... 
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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