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Old 08-29-2006, 02:39 PM   #1
BigMikeLV
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Default Forester coolant issue. Help!

A friend has an '04 Forester 2.5X 5-Speed that sucks coolant -- the entire resovior bottle goes empty every 7,500 Miles. Dealer has done a leak down test, pressure test and a third test and shows nothing wrong. Oil test shows coolant in oil.

Any indeas what it is?
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Old 08-29-2006, 02:47 PM   #2
pleiad7
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The mysteriously disappearing coolant is a common issue on the 03+ Foresters. Do a search over on subaruforester.org, there are a number of discussions on this issue, e.g. this thread.
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Old 08-29-2006, 03:09 PM   #3
Hayes
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Coolent in the oil demonstrates a head gasket problem. How do you know coolent is in the oil? Did you have an UOA performed at a lab or are you just guessing? Driving with a hot engine will push coolent out of hoses & water pumps that may not show up with a static pressure test. I'd very carefully look a ALL hose connection, radiator top & drain spigot, and inspect for HG external weepage. I would also check the water pump. Any connection that has a whiteish substance is suspect.
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Old 08-29-2006, 03:19 PM   #4
356cab
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Is he getting any higher then normal engine operating temperatures? I agree, how do you know coolant is in the oil??

I did have a head gasket leak on my 01 2.5L engine and it was easy to see in operating temperatures, but really didn't show until the car was up to about 200 and then it would just take off, so if they do tests without getting it hot enough some leaks won't show up. Just so you know, you can use Barr's stop leak and fix a head gasket, but there are two different kinds of this stop leak and you want to get the kind that requires a complete flushing out of the coolant and using the product with only water and nothing else in the system. It seems like snake oil, but it works. The stuff that you can use without flushing is a waste of time for any leak that develops under high pressure.
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Old 08-29-2006, 11:12 PM   #5
Tim Sanderson
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So did the dealership find the coolant in the oil? Is the car still under warranty? Have the dealership fix it.

Period.
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Old 09-04-2006, 09:53 PM   #6
BigMikeLV
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From what I have been told... The dealership found coolant in the oil but cant find out why. I'll forward this to him.
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Old 09-04-2006, 10:03 PM   #7
Nachas
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