The power steering unit I refer to is the main unit along the steering
column inside the engine compartment, NOT the pump where the fluid goes. I
have a shop manual which clearly shows how to disassemble it and repair
everything, but it's a major job even if I had all the new seals. Further,
the manual says that the lower housing is under pressure, while the upper
housing has low-pressure fluid. The problem occurs when the seal between
them is worn, causing the pressurized fluid to enter the upper area, where
it seeps out of the vent hole on top of the unit. This of course if
evidenced by the lowering of the fluid in the pump reservoir and the
ever-increasing puddle under the car!
Ed
At 07:02 PM 6/13/1998 EDT, you wrote:
>In a message dated 98-06-13 00:20:26 EDT, you write:
><< power steering unit leaks
> Does anyone have any experience replacing the main power steering unit? My
> '57 DeSoto Firedome has a leak in the upper unit. Right now the fluid is
> leaking out of the vent hole in the upper housing, indication an internal
> leak. What about just plugging off the vent hole so the fluid doesn't leak
>out? >>
>
>I dont know what the unit looks like, when U say leakig out upper housing
VENT
>HOLE vent holes are usually above the fluid level to bleed off excess
>pressure or fluid. If U have fluid coming out a VENT HOLE it means U have a
>problem, perhaps with foaming caused by a mechanical malfunction???
>Plug the hole????????? If we were age 16 and this was our first car we might
>plug the hole. Being older and wiser today we realize the hole is there
for a
>reason and know fluid coming out means we have to diagnose the problem.
>Anyone able to volunteer a shop manual?????? Or a Motors manual that covers
>the '57? (just dont copy it, tho U may be able to copy the part dealing with
>only power steering malfunction for personal use..?)
>Rotsa Ruck
>Lars
>My 61 Motors manual shows t3 views of the unit. Unable to find the vent
but U
>R talking vent on the master cylinder not on the power unit? If so sounds
>like a lot of pressure is being built up where it is not supposed to be?
Time
>a new unit???
>
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