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Old 11-18-2019, 07:25 PM   #1
rjschwar
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Default Belt Squealing on Startup, and Power Steering Pulsing

Recently, I've been getting some squealing from a belt when I turn on my 2004 WRX When I turn while stopped or going very slowly I get belt chirps that coincide with the steering wheel wanting to pulse. What I think is happening is that the belt driving the power steering pump is slipping at lower RPMs causing the chirping and pulsing. My question is do I just need to tighten the belt, or should I replace it? Could it be something other than what I think? I checked power steering fluid, and its right at the Min line.

Thanks,

Richard
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Old 11-18-2019, 08:16 PM   #2
supermarkus
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Location: Edmonds, Washington, USA
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Check the power steering reservoir with the car running to see if there is foaming or other obvious signs of air getting into the system. These cars are notorious for power steering problems, especially at the low pressure inlet o-ring. That would create juddering and pulsating at low speeds. If the pump is puking ps fluid some could have got on the belt and screwed it up. Check it for cracks.
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Old 11-18-2019, 08:36 PM   #3
rjschwar
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I'll check that and report back. I see you are in Edmonds, I'm just north of you in Mill Creek.
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Old 11-18-2019, 08:52 PM   #4
Breticus
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My car did something similar and tightening the belt up fixed it. If you have somebody turn your wheel while you look at the PS pump and if the pully stops spinning intermittently then the belt is loose and causing the pump to cut in and out. Its possible the belt needs changed but you could probably get away with tightening it some more for a bit.
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Old 12-10-2019, 06:25 PM   #5
rjschwar
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For anyone else with this issue, tightening the belt fixed the squeaking and the shuddering. Took about 5 minutes.
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