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02-12-2017, 03:53 PM | #1 | |
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Grinding noise after pump replaced
We saw power steering fluid on garage floor and had the power steering pump replace. However, now we have a grinding noise on turning. Is that normal? Will it go away?
Was the rebuilt pump defective? |
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02-13-2017, 04:37 PM | #2 | |
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Re: Grinding noise after pump replaced
It could be a bad pump....but did you bleed the air from the system first?
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02-13-2017, 06:43 PM | #3 | |
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Re: Grinding noise after pump replaced
Tech II is likely right. Air in the system is noisy, and evidenced by foam in the reservoir when the engine is running.
If you determine that the oil level is correct and all entrapped air has been bled but the noise persists, you can try to quiet the pump by adding about two ounces of friction modifier in the reservoir. This is spectacularly effective on the old, whining Ford power steering pumps (very common) but can help a noisy Saginaw pump as well.
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