Question about 2005 Chevrolet Impala
The power steering leaks to the point that the car makes a humming noise when I turn the wheel. The entire left side of the engine is covered with a thick black layer of fluid. I replaced the pressure hose and then watched for a further leak. I can see large amounts of steering fluid coming out from under the cap. Is the cap leaking or is it just an overflow measure? I replaced the pressure hose a while ago, but the leak has continued, though it is not spraying out and I have been unable to find the leak. The fluid coming out from under the cap is the first signs of a leak I have seen.
Could be overfull
remove excess to the full mark on the dipstick
could be a problem power steering pump bypassing excessive oil back to the reservoir under pressure and heating and expanding the oil
take it to an accredited power steering service center and have a pressure test done on the pump
the humming noise indicates a valve problem leaking under pressure
Posted on Apr 19, 2017
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Posted on Jan 02, 2017
May have a failure in the replaced rack. I would take it back to the shop that did the work for warranty. If you got a remanufactured rack it was re-built and may have had major problems that were not fixed with the rebuild.
Posted on Oct 03, 2009
Put a piece of carboard under the car and start it.
Turn the steering wheel all the way one way, and then all the way the other and back. Shut the car off. when the fluid leaks again, try to determine where it is coming from under the car. It seems simple, but Master mechanics do this all the time. If the pulley is making a clicking noise then it may be time to replace the pump.
Posted on Jan 04, 2010
There is a short vertical hose just behind the rack that can get bad and leak-2-3 inches long. Replaced mine with multipurpose hose from a local parts stor. Problem solved
Posted on Jan 08, 2010
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