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Old 05-31-2011, 02:35 PM   #1
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Default Bleeding power steering on a '98 LeSabre

I recently had a drive belt fail on a 98 Buick Le Sabre and moved it a little without the belt. Just enough to get it on a trailer and then into my garage. I replaced the tensioner pulley and the belt but the power steering won't work, it'* full of fluid. I assume there is air in the system. I have seen conflicting methods of bleeding the air out. I humbly request any information any of you might have on the subject.

Thank you for your time, : ) Hank
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Old 05-31-2011, 02:56 PM   #2
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With the engine running, slowly turn the steering wheel lock to lock 3 times.
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Old 05-31-2011, 03:16 PM   #3
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If it is not a trapped air problem (and from your description I don't think it is) there was a case with another forum member where the power steering pulley was turning but the input shaft had broken, and the pump impeller was not turning. I believe he found it by removing the pulley from the pump.
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Old 05-31-2011, 03:18 PM   #4
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Or since you replaced the belt. ensure that your belt is routed properly.
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Old 05-31-2011, 03:28 PM   #5
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Quote:
Originally Posted by BillBoost37 View Post
Or since you replaced the belt. ensure that your belt is routed properly.

Yeah ... what he said. Sorry if I missed the obvious.
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Old 05-31-2011, 03:37 PM   #6
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Moving the car without a belt wont put air in the steering system.
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Old 05-31-2011, 03:47 PM   #7
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Ok guys, I thank you for your quick responses but no luck so far. I put the belt on correctly, not sure it could go on any other way. and I did try the 3 times to left and right locks while engine was running. I did however raise the front wheels off the ground and turn it left to right 40 times with the engine off (i saw a little difference) an then I started the engine and worked it back and forth 4 or 5 times and noticed a little more difference. But most importantly, I see many air bubbles in the reservoir. I plan to continue aboved procedures. I heard I could bleed air by loosening the high pressure inlet to the rack. This may have been for something other than a GM. Any ideas or opinions on this?

Again, Thanks for the quick response and effort, hank
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Old 05-31-2011, 03:53 PM   #8
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If you didn't open up the system or replace a line...you shouldn't have any air in there.

maybe something happened when the belt came off and caused damage to the pump or pulley etc.
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Old 05-31-2011, 03:53 PM   #9
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If the problem truly is air in the system, continuing to turn lock to lock will bleed it out. I hope this fixes it, but I think you have another problem.
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Old 05-31-2011, 03:55 PM   #10
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If not, then my power steering went out at the same time as my tentioner pulley. It seems unlikely. and i did have to crank it to the left and right a great deal to get it on the trailer and then in the garage. I am open for any thoughts though and I thank you. God I'm hoping for air. lol
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