1997 Buick Skylark Power Steering Whine

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PATSYLOLLY
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  • 1 POST
1997 buick skylark/6cyl/3. something engine,89,000 miles. Car was making a whining noise when turning the wheel.Had power steering pump replaced.Noise was worse and also groaned.Replaced ps pump again,thinking it was a bad one.Did not help.Pump was replaced again with another brand.Car was still whining and increased pitch when accelerating.Hoses were replaced.Rack and pinion was replaced.Car sounds terrible in (cold ) weather. As a last ditch effort,replaced ps fluid with ATF+4. Car groans and chatters upon a hard left or right,whine is always there.The next step planned is to replace rack and pinion (again). When the weather is warm,there are very little symptoms,except some high pitched whining,but when it is cold outside the car groans terrible when turning the wheel.Any suggestions?My mechanic is stumped.
Jan 18, 2007 at 8:26 AM
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SERVICE WRITER
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  • 9,123 POSTS
It sounds like there is air in the system or a restriction. Is the power steering cooler original? I would check the pressure of the system before going any further and flush the system out and filling it with the proper fluid before testing the pressure. Look for any collapsed or kinked lines.
Jan 18, 2007 at 9:12 AM

Suggested Repair

Flush the system and refill with the correct power steering fluid. Inspect for collapsed or kinked lines and a restricted or original power steering cooler, bleed any air, and check system pressure before replacing the rack again.

Conversation Summary

A 1997 Buick Skylark owner reported power steering whine that worsened after several pump replacements, new hoses, and a rack-and-pinion replacement. The car groans and chatters on hard turns, especially in cold weather, and ATF+4 did not help. The expert suggested air or a restriction, checking the cooler and lines, flushing with proper fluid, and pressure-testing before further parts replacement.

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