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Power steering noise

Tiny
ALLEN51555A
  • MEMBER
  • 2001 CADILLAC ALLANTE
  • V8
  • 160,000 MILES
New power steering pump howls
Monday, December 13th, 2010 AT 11:14 AM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Was air bleed out by turning wheel lock to lock? What happened to old pump? Does pump howl all the time or just when turning?
Let me know
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Monday, December 13th, 2010 AT 1:35 PM
Tiny
ALLEN51555A
  • MEMBER
  • 4 POSTS
The pumps, this being the second replacement, were changed at a garage and I guess they were returned for core. The noise was present at idle, but increased with rpm and steering movement. I suspect the rack and pinion due to the new leak, static and press, that has developed as soon as the second replacement pump was installed. My wife drove the car straight from being fixed about 150 miles and the next morning there was a l good size puddle under the car and no fluid in the resevoir.
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Monday, December 13th, 2010 AT 10:40 PM
Tiny
ALLEN51555A
  • MEMBER
  • 4 POSTS
PS I don't know how the software picked up Allente but my car is a 2001 DTS
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Monday, December 13th, 2010 AT 10:43 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Did original pump make noise? Your feeling of rack makes since pump will make whine/howl if operating at max pressure. So if rack is leaking and maybe binding would make noise.
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Tuesday, December 14th, 2010 AT 2:11 PM

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