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Old 06-01-2006, 06:43 PM   #5 (permalink)
mysvtftoy
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Join Date: Jun 2004
Location: Redmond, WA
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Default Re: power streering retrofit underway

Quote:
Originally Posted by f2t90
So i guess you were having problems with your P/S fluid getting too hot? And this routes it further from the header to keep it cooler.
looks good
Well. No. There have been *many* (innumerable) threads on the Rally/AutoX/Road Racing forum regarding a weakness in the power streering system design. In particular, there is a small plastic washer used at the output port of the power steering pump. Some folks have experienced failures of this washer and leakage of power streering fluid at inopportune moments.

I have already switched to Redline PS fluid, which probably has helped, but with other cars of late experiencing the failure of this washer, I've been a little worried now that the car has 20+ track days on it.

We replaced the entire adapter and this end of the line with the new 2-piece fitting and a metal crush ring.

As for cooling, we'll be putting a small Mocal oil cooler in the return line. Reduced temperatures and (what we believe to be) a more stout fitting should reduce the likelihood of this particular type of failure.

After this, I'm hoping it will be down to fluids, pads, tires, rotors, hubs, bearings, knuckles, rear spindles, light bulbs, and after track beers going forward (at least for a little while).

Last edited by mysvtftoy; 06-01-2006 at 07:20 PM.
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