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HELP-Oil hemerage

Started the motor for the first time and had a small leak at the filter. Tightened with a wrench and still leaked. Changed to another new filter and leaking large. What is going on. Bought the car off ebay last year with the typical broken belts and two valves. Did all the work and starts up great but why the oil leak. How tight should the filter be? I had the first one pretty tight. I got these filters here at PP. What's wrong????
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87 924S 107k (miles) yellow
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Old 03-31-2005, 03:11 PM
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besides the obvious (right filter, small film of oil on gasket, etc.) what does the mating surface for the filter on the engine look like? are there nicks or dents in the aluminum?
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Old 03-31-2005, 03:19 PM
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No nicks, scratches and clean. Seams to be coming right out at the seal.
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Old 03-31-2005, 03:21 PM
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you mean the seal of the oil filter? wow... excessive oil pressure from the pump? could the surface be warped? what method are you using to tighten the filter? are you putting a film of oil on the new oil filter seal?
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Old 03-31-2005, 03:37 PM
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Yes, changed around a billion filter since I was sixteen. First as tight as I can get in that tiny spot by hand then with a tool. Can't tell if its warped but why would it be. There was no wet oil on the cover pan when I got the car so I assume no previous problem? But it did sit for 1-1/2 years? Pump pressure on the gauge is around 4 bar cold. I assume that's correct so?? Did notice that my Hayes manual says there's a gasket on the oil filter boss (center threaded tube that screws into the filter) but the lcaol Porsche guy says there is none?? What the?? Don't have one there now.
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Old 03-31-2005, 03:43 PM
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ok, i am running out of ideas. is the mating surface perfectly clean? no bits of old oil filter seal sticking to it?
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Old 03-31-2005, 03:48 PM
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No, clean. Running my finger around and it seems flat and clean. No rubber bits.
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Old 03-31-2005, 03:50 PM
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I think your leak is coming from else where...............
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Old 03-31-2005, 03:51 PM
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I can recheck but I stood under the car in the pit watching it wi the car running.
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Old 03-31-2005, 03:53 PM
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Oil cooler housing can leak and run off the filter.
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Old 03-31-2005, 03:54 PM
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Is it possible that you got a batch of the wrong filters?
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Old 03-31-2005, 04:57 PM
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Have to check the part number. Can the presure relief vavle cause this if its stuck? or the oil cooler some how. Starting to second guess myself if the head gasket is in correct. Got the head gasket set here and remember a thread saying somthing about if the gasket is in backwards, the oil port is covered feeding the head. Can this be??? and would it cause back pressure that would blow past the seal or would the relief vavle bypass back to the oil pan??
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Old 04-01-2005, 05:05 AM
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It most likely wouldn't blow out the oil filter seal if the head gasket is in backwards, not to say that it couldn't, but it's not likely.
Not to mention, it's pretty obvious if the gasket is in backwards.
I would check out your OPRV. If it's fine, and moving freely, then we'll keep digging, but if it's not the filter housing, or the filters, then it's probably the OPRV.
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Old 04-01-2005, 08:23 AM
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Found out what it is now need help. There was a small hole in the tranny oil cooler line were it goes from flex to solid line. As it ran, it got bigger. Grabed the line and it broke right off. It was spraying straight down so I didn't see it at first. Now how the h*ll do you replace that??? It seem to go doun the back on top of the torque tube and solid all the way. What's the pressure? Can I use a presure coupling? Help!!!
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Old 04-01-2005, 10:16 AM
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If it's a steel line just get a splice fitting. Any hydraulics parts house should have a metric fitting in your neck of the woods.
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Old 04-01-2005, 10:27 AM
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.... do you mean the power steering line?

Tranny oil cooler (manual) is WAY in the back of the car?
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Old 04-01-2005, 10:50 AM
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No it's the oil line to the top fitting on the radiator. I've been calling around town and nobody want to make one. I may look at a standard flex line piece and try some kind of compresion coupling??? Anyone ever done this. What is the pressure of the tranny oil??
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Old 04-01-2005, 12:21 PM
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Quote:
Originally posted by ae1969
.... do you mean the power steering line?

Tranny oil cooler (manual) is WAY in the back of the car?
Possibly an automatic.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 04-01-2005, 03:32 PM
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