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944S2 oil in coolent

HI,

Recently I find oil mixes into coolent. I search the forum that somebody talking about the oil cooler seals. Does 944S2 (89's) has oil cooler seals? If so, where is it located?

Besides oil cooler seals, any possible bad things? Such as head gasket, oil-water exchange (Does my carhas this also?)

Thanks very much.

Kay

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Porsche 944S2 (3.0L, NA) 1989 -- rare in Hong Kong
Old 12-15-2007, 05:57 AM
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The 944S2 has the same housing as the 944, just not the heat exchanger, look up the Pelican parts diagrams and you will see. They sell all the parts you require to replace the seals.

Head gasket is a possibility but not the first choice.
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Old 12-15-2007, 12:48 PM
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oil in the coolant will not be the head gasket. if you had coolant in the oil it would be the headgasket, but not the other way around.

Replace the seals. It's a pain to do & messy, but relativly easy.
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Old 12-15-2007, 12:57 PM
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Do not drive the car until you replace the oil cooler seals. Empty the coolant and replace. The oil in the coolant gums up the waterpump and if you drive the car with the milkshake, you'll have a failing waterpump sooner than you'd like!
Old 12-15-2007, 01:06 PM
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Hi,

Thanks for reply. I don't see watch in the oil. Hope it is not head gasket problem.

So, I would go for seals.

When replace the seals, besides coolant, do I have to drain the oil too? (I just have oil change... )

As I see the project list, what I need is just 2 seals on both side, right? Hope anybody can share the experience.

Thanks!!

Kay
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Old 12-19-2007, 10:19 AM
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You need this item from Pelican: 10-0914-165-M30
You should use this item as well if you dont have it: PEL-TOL-P218

It is best to drain the oil on this job & replace the oil filter. Draining your oil will also show you if it is milkshake as well.

It is possible that the oil cooler itself has gone bad or got a leak. Follow these steps for testing the oil cooler: http://www.clarks-garage.com/shop-manual/lube-10.htm

This is the process to replace the seals: http://www.clarks-garage.com/shop-manual/lube-01.htm

Clarks-garage shop manual is the best there is for many of these kind of items.
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Old 12-19-2007, 11:55 AM
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The M44/41 (S2) engine does not have the heat exchanger like the 8V 944NA. It has a seperate cooler.
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Old 12-19-2007, 04:48 PM
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Follow the advice of Britwrench...it will serve you well.

MOST DEFINITELY HAVE TO CHANGE THE OIL. It's already been mentioned that this can cause some water pump problems but that's not the most serious. Coolant will eat up your rod and main bearings. Do not run this engine with coolant in the oil. Change it immediately and run some oil flush through it and change it again fairly soon. You may lock up your engine if you don't do this. Oil is cheaper than a new engine.
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Old 12-19-2007, 07:20 PM
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Hi,

Thanks all your helps!

I am going to order the Complete Gasket Set at Palican. I hope it is not a big job -- I can do it by myself in New Year ....

From the diagram, I also see there is an Engine Oil Cooler, which costs US$466

Is it possible of leaking / broken on this $$$$ parts too?

Thanks.

Kay

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Old 12-20-2007, 02:41 AM
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