1990 Toyota Corolla Too high pressure on the high pressure

1990 TOYOTA COROLLA
130,000 MILES • 4 CYL • FWD • AUTOMATIC
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MORIOKASAN
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Hi, when i wanted to park the car yesterday, in parking lot, i moved the driving wheel to maximum and instead of hitting the lock i felt like it is blocked at about half way. It was not a metallic block so I had the feeling that if I force it it will go. So I forced it, I applied more force on the driving wheel and I heard a spray-like sound and I realized that power steering oil was sprayed from the place where high power power steering hose connects to the ps reservoir. So I think that the pressure in the high pressure line was too big. What could be the problem? Is there a valve that sometimes releases the extra pressure to return line? Is the pump or the steering gear itself (part connected to the drive shaft)? Thank you.
Dec 12, 2009 at 9:33 AM
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MMPRINCE4000
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By extending it too far the high pressure valve has failed.

Remove the pump and replace, there are no rebuild kits that I am aware of, and would most likely cost mose than a reman'ed unit.
Dec 13, 2009 at 7:30 AM