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Posted by majik2k5, Feb 25, 2006
Newbie Forum - Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum.
I thought maybe there was a seal in the oil filter housing that seperates the oil and the coolant since the '91 oil filter housings are internally cooled. Is this a possibility?
The odd thing is, the oil is getting into the coolant, and no vice-versa. The oil is fine and there is no coolant in it at all.
I talked with Brodie last night and we were stumped. Is it possible that there is oil left in the radiator that keeps surfacing? We flushed the system 2 or 3 times and it started to look better. But as soon as we put more coolant back in it, the oil came right back up.
Anyone have any ideas on this?
Best bet is to replace that with a 1990 style oil filter housing that uses an air-to-air oil cooler. JNZ has the housings, and AN fittings will work with the stock oil cooler (I'm still trying to figure out what size fitting you need for the cooler and the housing)
BTW, DSMotorsport sells external oil coolers and 90-style housings as well.
The thing that has us confused is where the oil is getting into the coolant, but the coolant isn't getting into the oil.
Those would be -6 AN fittings for the 90 style oil cooler, btw.
I would have to agree with this post. If it was leaking out of the housing it would have oil mixed with it or something. This is a common 1g problem. The o-ring on the waterpump goes out and it leaks. It runs down the waterpump and drops straight down onto the oil filter housing and makes it appear that the housing it leaking. This was the first problem I had to fix on my 92 I had.
I told you....shoulda listened to me
We'll replace it when we can narrow down what the problem is. From what we've accumulated so far, it's not 100% certain that the oil filter housing could cause mixing.
And it's strange, because I'm losing oil... but the oil itself is fine. No coolant in it whatsoever.
Exactly. Drain the oild and use a 15/16 socket to get the cooler off. Replace the rubber seal and you will be done.
But what about when you shut the car off and only have coolant pressure and no oil pressure? I would think coolant would get in the oil.