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Oil in Coolant bottle or expanson tank, 940, turbo 1993

posted by  Roy H on  Sat Sep 25 18:41 CST 2004
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I have a 940/93/ turbo. Have been trying to do some resource on this oil cooler.
Can anyone give me some instructions on how to remove this oil cooler so that I can check it out for sure. I have done a copy and a paste from a search of this web site. Tried a post while back . Mech has replaced diaphram inside turbo. I would like to pull this oil cooler but not sure where to start on it.
The head was done and pressure checked. Turbo shop does not think it is the turbo. Have put die in engine oil and know it is not transission fluid or the cooler inside the radidator. If someone has some suggestions on how to pull this water cooled oil cooler, I would appreciate some advice.
Thanks
Roy H
Johnston, Ia

I got this from the this site and it has helped but would like to get more details if at all possible. Roy
[Response: Steve Seekins] On this particular car, the problem is likely the oil cooler. Check at the oil filter housing. I think that your car has a sheet metal oil cooler mounted on the oil filter extension housing just forward of the oil filter. It should have two water lines attached. These have a history of developing leaks - it may simply need to be replaced. You can remove it and perform a pressure test on it. If you have the older style cooler, there will be a cast piece there with OIL lines vice the sheet metal piece with WATER lines. The earlier cooler adapters have no water interface so cannot leak water, but do develop oil leaks from worn O-rings. [Solution: Owner] The problem turned out to be a leaking radiator ATF cooler. I replaced the radiator and it solved it.







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