Power Steering Problem?? - Pontiac GTO Forum
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post #1 of 14 (permalink) Old 10-25-2007, 05:58 PM Thread Starter
 
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Power Steering Problem??

Ok guys, I need your help in figuring out what the heck is causing this noise. Basically, every few days when I start the car for the first time in the morning there is this loud whining/clicking sound coming from under the hood. After a few secs it quiets a bit, then as I back out the garage it starts up again and then when i turn the wheel theres a loud whine like a power steering problem. I've checked under the hood to see if a belt was loose but couldn't find anything. I've turned the wheels all the way in both directions and inspected them for any signs of damage but found nothing. This doesn't happen everytime just every other day and only after its sat over nite. Any help would be appreciated guys, as it doesn't pay to take it to the dealer since they won't be able to duplicate the problem. Thanks!!!
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post #2 of 14 (permalink) Old 10-25-2007, 06:23 PM
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Garage
My first thought was the power steering pump. Then the steering rack itself but it doesn't make sense to be the rack if the car is still. With regards to the whine maybe a vacuum problem? Clicking sounds like injectors sticking maybe? Once the engine warms the noise subsides. Valve taps and warm oil is quieting them? Just throwing some possibilities out there.

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post #3 of 14 (permalink) Old 10-25-2007, 07:19 PM
 
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Is your car an auto? I found a bulliton for "Whine noise in park or neutral"
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post #4 of 14 (permalink) Old 10-26-2007, 01:26 AM Thread Starter
 
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Yeah, its an A4 and the only mods I have done is a full stereo system with two kicker amps feeding off the battery. The whine upon startup seems to quiet down after a few mins until i put it in reverse then it gets louder for a sec, then it really gets loud as I turn the wheel after backing out the garage. I also noticed that when i hit the gas after backing out the car sounds like a windup car, with the whine getting louder the more gas i give it. Then after a few mins everything is fine!! The whine, the noise when I turn the wheel, all mysteriously gone!! WTF?!
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post #5 of 14 (permalink) Old 10-26-2007, 02:04 AM
 
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Is your car an auto? I found a bulliton for "Whine noise in park or neutral"
Please post it.
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post #6 of 14 (permalink) Old 10-26-2007, 05:18 AM
 
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They have this listed under 2005 GTO but I thought the GTO's transmission was a 4L65?
--------------------------------------------------------------------------------

2005 Pontiac GTO
Subject: 4T65E Whine Noise Park/Neutral - keywords bearing drive sprocket support #PIP3894 - (08/17/2006)



Models: All 2000-2007 Passenger Vehicles with 4T65E Transmission




--------------------------------------------------------------------------------

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
The vehicle may exhibit a whine Noise P/N, gone when in Drive when not moving.

Recommendation/Instructions:
The suggested diagnosis is to shift to drive, apply brake and raise engine RPM. Noise should diminish (may not go away).

If noise is diminished or eliminated, suspect drive or driven sprocket support bearings, or gear bearing (most common is drive sprocket support bearing).

Visually Inspect Drive Sprocket Support Needle bearing for spalled needle roller.

Replace Drive Sprocket Support item #522 (includes 521/523).
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post #7 of 14 (permalink) Old 10-26-2007, 11:44 AM
 
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Originally Posted by PEARL JAM View Post
2005 Pontiac GTO
Subject: 4T65E Whine Noise Park/Neutral - keywords bearing drive sprocket support #PIP3894 - (08/17/2006)
Gotta be a misprint. The 4t65e is the trans that comes in the w-bodies. Its a front wheel drive tranny.
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post #8 of 14 (permalink) Old 10-30-2007, 01:51 AM Thread Starter
 
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Well I was looking on the other gto forum for help with my power steering noise and couldn't believe I forgot to check the most obvious thing while I was under the hood. The power steering fluid level!!! Duh.. Low and behold the reservoir was almost bone freakin dry!!! I inspected all the hoses for leaks and surrounding parts where fluid might have leaked but found none. Where the heck did all my power steering fluid go?? Well, off to the auto store for some fluid tomorrow, and I was surprised to find that these cars take dexron III automatic transmission fluid for power steering fluid. Hope this fixes my problem as it's quite embarrassing. Thanks for the help.
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post #9 of 14 (permalink) Old 11-15-2009, 08:26 PM
 
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lost power steering fluid

Did you find out where the leak was or if there was a leak. I am finding spots under my car and they are pink and I have a M6 so it isn't from a trans cooler. I would not expect to have problems like this with a car with only 30,000 miles. It must be power steering fluid and its coming from under the A/C compressor, but that uses a lublicant that is tan or brown. I am taking "her" in to my local independent mechanic tomorrow, hopefully its not going to be too serious. I love this car........It gets more double takes than any car I've ever owned!!


Brazen Orange, M6, Magnaflow axle back
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post #10 of 14 (permalink) Old 11-16-2009, 07:43 AM
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Originally Posted by johnasaurus View Post
I love this car........It gets more double takes than any car I've ever owned!!


Brazen Orange, M6, Magnaflow axle back
Try driving a classic GTO.
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