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power steering pump issue

5K views 3 replies 2 participants last post by  Bigolotava 
#1 ·
66 elky just replaced power steering pump and am getting fluid shooting up through cap ? tried bleeding and just took off lines to make sure nothing stuck that's creating back pressure ? When standing facing car and steering box which fitting is power and which is return maybe I got them mixed ?
 
#4 · (Edited)
No problem... if you didn't mess with the pressure regulator, I wouldn't touch it, unless it's leaking and you have a new O-ring for it.

On your power steering pump there's a what looks like a large bolt on the rear of the reservoir that the high pressure hose screws into. This is actually a flow control valve. Check-out the link below for a great close-up picture that explains it very well: http://www.pozziracing.com/Media/PS valve.jpg

1 = Flow Control Valve (O-ring goes in groove to the left of the groove labeled "A")
2 = Pressure Regulator (easy to install backward if you've never done before)
3 = Spring

Anytime you remove the flow control valve, you should replace the O-Ring, as it gets hard with age and fails to seal, causing an annoying drip/leak that often is mis-diagnosed as a leaky high-pressure hose. You can get replacement O-rings at NAPA, your GM dealer, Autozone or Checker/O"Reilly.

Prior to installing a new O-ring it's best to wrap a piece of Masking or Duct tape over the threads (they're sharp!) to avoid tearing or cutting the new o-ring when you're installing it. Once installed, remove the tape and you're good to go!

Hope this helps,

Kevin
 
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