Technical Tips > Brakes, Suspensions, Steering, Wheels & Tyres

Power steering issue

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Cameron 77C3:
What about the additives that you can put in pumps to quieten them down. Any comments on these?

Chromie:
Yes cam use them when you are thirsty
Doubt they will do any good but may do harm though
However if you might be changing the pump anyway due to noise what harm can it do
Just make sure that the pump is making the noise
Not the Air Pump, Water Pump or Alternator.;42

Cameron 77C3:
Funny bugger.;48

Thanks;42

Shane Finn:
I have a similar problem on the '01 that I am about to attempt to sort out. I have never changed the PS fluid and it is now foaming which is apparently an indication of water contamination. The major problem is a serious groan in the pump after sustained high revs.

I have all the manuals for the car and reading the PS fluid flushing/bleed procedure they describe a process which uses a vacuum adapter on the reservoir to pull a vacuum on the system for 5 minutes to bleed the air.

I wonder if anyone actually follows this procedure? Would a steering specialist do this?

Chromie:
yes zedohsix
The vacuum pump system is the best way to bleed power steering pumps
But no one has the vacuum pumps. So if you take it to a power steering place make sure that you make them show you the vacuum pump and watch them use it on your Corvette;42

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