1994 MUSTANG OIL PRESSURE DROPS TO ZERO! HELP! - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 4 (permalink) Old 12-11-05, 04:01 PM
krankman
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1994 MUSTANG OIL PRESSURE DROPS TO ZERO! HELP!

i have a 1994 ford mustang with a 3.8 v6. Recently, the oil pressure
in the car dropped to completely nothing. When i looked at it, the
O-ring on the oil filter blew out every time i started the car, and all
of the oil would pump out in a matter of seconds. The oil pump seems to
be fine, and i was told by a mechanic to check the OIL PRESSURE RELIEF
VALVE.

WHERE EXACTLY IS THIS RELIEF VALVE AND AM I CHECKING THE CORRECT THING
FOR MY PROBLEM?

Any kind of input would be very appreciated!



 
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post #2 of 4 (permalink) Old 12-11-05, 06:01 PM
Backyard Mechanic
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Re: 1994 MUSTANG OIL PRESSURE DROPS TO ZERO! HELP!

"krankman" <kranker@mcgregorpro.com> wrote:

> i have a 1994 ford mustang with a 3.8 v6. Recently, the oil pressure
> in the car dropped to completely nothing. When i looked at it, the
> O-ring on the oil filter blew out every time i started the car, and all
> of the oil would pump out in a matter of seconds. The oil pump seems to
> be fine, and i was told by a mechanic to check the OIL PRESSURE RELIEF
> VALVE.
>
> WHERE EXACTLY IS THIS RELIEF VALVE AND AM I CHECKING THE CORRECT THING
> FOR MY PROBLEM?
>
> Any kind of input would be very appreciated!


It's in the housing behind the Water pump...
And if you dont know what it IS then anyone would be a fool to try to
give you directions on checking/replacing it.


Break down and buy a book that describes the innards of the 3.8.

Or else go to alldatadiy.com and get a subscription

--
Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!
 
post #3 of 4 (permalink) Old 12-13-05, 10:01 AM
krankman
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Posts: n/a
Re: 1994 MUSTANG OIL PRESSURE DROPS TO ZERO! HELP!


Backyard Mechanic wrote:
> "krankman" <kranker@mcgregorpro.com> wrote:
>
> > i have a 1994 ford mustang with a 3.8 v6. Recently, the oil pressure
> > in the car dropped to completely nothing. When i looked at it, the
> > O-ring on the oil filter blew out every time i started the car, and all
> > of the oil would pump out in a matter of seconds. The oil pump seems to
> > be fine, and i was told by a mechanic to check the OIL PRESSURE RELIEF
> > VALVE.
> >
> > WHERE EXACTLY IS THIS RELIEF VALVE AND AM I CHECKING THE CORRECT THING
> > FOR MY PROBLEM?
> >
> > Any kind of input would be very appreciated!

>
> It's in the housing behind the Water pump...
> And if you dont know what it IS then anyone would be a fool to try to
> give you directions on checking/replacing it.
>
>
> Break down and buy a book that describes the innards of the 3.8.
>
> Or else go to alldatadiy.com and get a subscription
>
> --
> Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
> you pay..DEAL with it!






i am do have a book that i purchased and i was highly disapointed to
see that it did not explain at all about the oil pressure relief valve.
I am not a novice car mechanic and i do know what an oil relief valve
IS, i just was not sure if the mustang even had one since i could not
find it in the book... so my question is if anyone has ever heard of
the problem i described above? any advice????

 
post #4 of 4 (permalink) Old 12-13-05, 09:01 PM
Backyard Mechanic
Guest
 
Posts: n/a
Re: 1994 MUSTANG OIL PRESSURE DROPS TO ZERO! HELP!

"krankman" <kranker@mcgregorpro.com> wrote:


>
> i am do have a book that i purchased and i was highly disapointed to
> see that it did not explain at all about the oil pressure relief
> valve. I am not a novice car mechanic and i do know what an oil relief
> valve IS, i just was not sure if the mustang even had one since i
> could not find it in the book... so my question is if anyone has ever
> heard of the problem i described above? any advice????
>


Sorry... but it IS possible, though rare, and the only cases I recall
were on the small block chevy.

I think if you find the oil pump, you're going to find the relief valve
close by.

--
Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!
 
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