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Tech Area => General Buick Tech => Topic started by: Recap on August 29 2020, 11:23:08 PM

Title: Power Steering Pump Noise
Post by: Recap on August 29 2020, 11:23:08 PM
So power steering pump is making a lot of noise.  I did have the high pressure line off to replace the o-ring.  Is my pump shot or do I just need to bleed the system again?  Drove it about 10 miles and it's still making excessive noise.  The reason I replaced the o-ring was it was losing a little fluid and seemed to be letting in a little air when it sat for a week or two.  Pump was then making a little noise until I turned a few times then was ok. Any thoughts?
Title: Re: Power Steering Pump Noise
Post by: Steve Wood on August 29 2020, 11:43:30 PM
Jack the front up so the wheels are off the ground.  Crank it up and turn it slowly lock to lock a few times.  See if that gets the air out.
Title: Re: Power Steering Pump Noise
Post by: Recap on August 30 2020, 09:51:11 PM
Thanks for the suggestion Steve.   Did the high pressure hose o-ring a while back and thought I had done this but maybe not.  I'll give that another try and see what happens.  What do you use for fluid, atf or ps fluid?  I think I topped it off with ps fluid after the repair. 
Title: Re: Power Steering Pump Noise
Post by: Steve Wood on August 31 2020, 10:16:55 AM
think I used PS Fluid the last time I messed with it
Title: Re: Power Steering Pump Noise
Post by: Recap on September 06 2020, 10:49:00 PM

Well think my problem is solved.  Reservoir was low on fluid.   Could swear I filed it and bleed the system when I was done replacing the ps hose o-ring. It was a few months ago so who knows.  It's back to normal so I can know get it to the shop for a front end alignment as I did the b body spindle swap several months ago.  Think I'm going to have to bleed the brakes again though as they still seem a little soft.
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