Is there any_______ - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-27-2006, 10:06 PM   #1
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way to change the power steering fluid?
my car has been making a noise when i turn the wheel.
checked it today and it is real bad(dirty / black). does any one have a idea how to
do this? is there a way to drain it. or will i have to go w/ the syringe technique...
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Old 04-27-2006, 10:08 PM   #2
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Syringe technique works the best....You're never gonna get it all out really without pulling a line....But it helps with cleanliness a bit.

And I don't think changing the fluid out or whatever is gonna help the noise.
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Old 04-27-2006, 10:24 PM   #3
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Is it a whining noise? That would be the gears in your pump going bad. The blackness is from the gears themselves, being wore down. Pulling a line would be the best way to get most of the fluid out, but as said before it probably won't help with the whining, but you might get lucky. Lucas makes power steering additive that might help you out.
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Old 04-27-2006, 10:29 PM   #4
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on your car it is a little harder to replace the power steering pump but it does not look terrible. they will normally make a little noise when turning but if it gets loud the pump could be on its way out. you have checked the fluid to make sure it is full correct?
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Old 04-27-2006, 11:26 PM   #5
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Do what I did:

Get a piece of plastic tubing long enough that you can shove it down the reservior hose all the way to the pump housing. Use a large syringe to remove fluid. When empty, refill. Drive the car for a week, then repeat.

After you do all this (which you should anyway, it probably needed it), go buy a new accessory belt tensioner assembly to prevent the noise that'* still there. The tensioner is old and weak.

In the long run, do BOTH.
(add one more thing.......change the tensioner idler diameter from 3" to 3.25" because I put a performance pulley on my high performance 160amp alternator and I need to adjust the belt path for the smaller pulley.......I did that at the same time as the tensioner assembly).

NOTE: The two tensioners on your car are NOT the same part number. They are different.
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Old 04-27-2006, 11:37 PM   #6
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You can also use a turkey baster to suck all the fluid out of the reservoir. Replace with new fluid, and drive for a while. Then, do it again. And a third time. Yes, you'll go through a little fluid, but it'* cheap anyway. It'* easy, you don't have to take anything apart, and you'll get enough old out and get enough new in for it to have an effect. I'll bet that it reduces or eliminates the noise, unless your pump is too far gone. I've done this on several other cars (all GM, but not Bonnevilles) with varying degress of success in every case.
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Old 04-27-2006, 11:49 PM   #7
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I just did this about a month and a half ago using the same techinques metioned above but I sucked the refilled the started turned wheel all to left then to right and reaeated this about 4 times. The noise that I had went abay after the first flush. Might I recomend the MaxxLife Vavoline PS fluid...
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Old 04-27-2006, 11:53 PM   #8
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Quote:
Originally Posted by BonnevillesSince62
You can also use a turkey baster to suck all the fluid out of the reservoir. Replace with new fluid, and drive for a while. Then, do it again. And a third time. Yes, you'll go through a little fluid, but it'* cheap anyway. It'* easy, you don't have to take anything apart, and you'll get enough old out and get enough new in for it to have an effect. I'll bet that it reduces or eliminates the noise, unless your pump is too far gone. I've done this on several other cars (all GM, but not Bonnevilles) with varying degress of success in every case.
NOT ON A SERIES 1 L67. You cannot get it all with a turkey baster, as the reservior is mounted to the throttle body bracket, at least 24" of tubing away from the pump reservior under the alternator.

This is only true for an L27 or L36. Let'* keep the differences in drivetrains and accessory setups seperate and clear.
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Old 04-28-2006, 08:47 AM   #9
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thanks for the feed back... this will be my saturday project along w/
cleaning the engine bay. will let you all know how it went...
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Old 04-28-2006, 10:18 AM   #10
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Quote:
Originally Posted by willwren
Quote:
Originally Posted by BonnevillesSince62
You can also use a turkey baster to suck all the fluid out of the reservoir...
NOT ON A SERIES 1 L67. You cannot get it all with a turkey baster, as the reservior is mounted to the throttle body bracket, at least 24" of tubing away from the pump reservior under the alternator.

This is only true for an L27 or L36. Let'* keep the differences in drivetrains and accessory setups seperate and clear.
10-4!
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