Burst oil filter
#1
Burst oil filter
My '94 WRX RA burst an oil filter, no.4 piston had burnt out, had that replaced. It's still burning serious amounts of oil all the time and trying to burst the new filter. Has anyone else had a similar problem or got any ideas as to what might be wrong. Compression on all four pots is supposedly good and the oil pump was changed.
#4
The oil pump was one Scoobysport (the week they went bust) had lying around, same results before and after the change.
I will check the breathing but have been told that is unlikely and more probable to be blowing past the unchanged pistons. It's done about 53k.
I will check the breathing but have been told that is unlikely and more probable to be blowing past the unchanged pistons. It's done about 53k.
#5
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Join Date: May 1999
Location: SSO2003 2nd, SSO2005 1st, SSO2006 2nd, TACC Rd4 5th 4wd: In my car ;-)
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It sounds like the oil pump pressure release valve is jammed shut.
It's behind the cam belt covers, but it will need to be checked.
Mark.
It's behind the cam belt covers, but it will need to be checked.
Mark.
#6
Scoobysport originally changed the pump in case it was the relief valve causing the problem. I assumed that they were a combined unit, if this is not the case I'll add it to the list.
#7
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It is part of the oil pump, but I can't think of anything else that would cause your problem.
If it is jammed, don't try and bodge it, fit a new pump.
Mark.
If it is jammed, don't try and bodge it, fit a new pump.
Mark.
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#8
The only time I've ever seen an oil filter blow it was down to the pressure relief valve in the pump being modified....badly...sounds like a sticking/stuck valve,or a modified pump thats causing high pressure....the only other thing I can think of is a major blockage after the filter...
Last edited by crusher; 08 April 2005 at 12:22 PM.
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