95 Bonneville Power Steering Noise - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-03-2007, 09:49 PM   #1
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Default 95 Bonneville Power Steering Noise

My 1995 Bonneville SLE has had some amount of noise from the power steering since i got it in september. It'* about as loud as a supercharger almost during very low speed turns at times, more pronounced it seems during cold weather. I was wondering what everyone thinks it may be? If the pump needs replacement, how much should a typical shop charge in hours and parts?
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Old 02-03-2007, 09:58 PM   #2
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The first thing to check would be the fluid level.
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Old 02-03-2007, 09:59 PM   #3
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Ok, I'll definetly do that in the morning when I can see what I am doing

One question, is there a dipstick I am checking in the cap or am I just doing some kinda visual check or what?
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Old 02-03-2007, 11:05 PM   #4
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There'* a dipstick that is part of the cap for the pump. Just in case you don't know where it is, it'* low on the engine, passenger side, near the firewall.
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Old 02-04-2007, 10:04 AM   #5
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Ok, checked the fluid...

Note Outside temperature where I am: 20 degrees

The Power steering fluid BARELY touches the bottom of the dipstick, the markings from bottom to top are: Add, Cold, Hot

The fluid BARELY touches add.
I can only assume that I definitely need fluid, what kind of fluid do I put in and how much?
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Old 02-04-2007, 10:18 AM   #6
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Quote:
Originally Posted by ChilinMichael
Ok, checked the fluid...

Note Outside temperature where I am: 20 degrees

The Power steering fluid BARELY touches the bottom of the dipstick, the markings from bottom to top are: Add, Cold, Hot

The fluid BARELY touches add.
I can only assume that I definitely need fluid, what kind of fluid do I put in and how much?
You need to buy power steering fluid. Wal Mart or any parts store. Just add a little bit at a time, the reservoir is not very large.
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Old 02-04-2007, 12:09 PM   #7
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Well I filled it up to JUST below "Full hot" after heating it up, guessing that with cold outside temps I should leave a little room. I still have some slight whine during 5-20 mph turns and at dead stop wheel turns, is this normal? It certainly sounds nowhere near as loud as I've heard sometimes it would get like louder than a supercharger.
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Old 02-04-2007, 01:55 PM   #8
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You may have introduced a little air into the system. That will make them whine a bit. Other times it is just a pump going bad. I had a Dodge Caravan with a pump that whined for 4 years. Every time I would take it in for tires or alignment, I was told: "you need a new PS pump." But, I drove it to 250,000 miles and sold it that way.
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Old 02-05-2007, 04:32 PM   #9
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I am thinking of replacing the power steering pump cause I am going on a trip in a few months that is going to be lots of mountains/etc and I want everything top notch shape lol...

I have realized that in certain cases, certain parts work better than others in our Bonnevilles. I have thought about just getting the Auto zone Power Steering Pump (ATSCO with reservoir) Is this a good part, has anyone used this, is there any specific one anyone recommends?

Thanks in advance,
Michael
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Old 02-05-2007, 04:34 PM   #10
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Just being curious, how loud is this whine?

I have had a whine from my PS Pump for 85,000 miles.. Hasn't changed a bit.. I have 154,000 totall...

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