My 2004 subaru outback 2.5 engin is overheating I've tried everything to stop it from happening

Asked by DCBoyer Jan 19, 2015 at 11:00 PM about the 2004 Subaru Legacy 2.5 GT Wagon AWD

Question type: Maintenance & Repair

I have done everything I can to fix my over heating problem. I even took the heater core out and I checked the timing belt along with the water pump too. The engine runs great and I don't find any signs of coolant leaking any where! I'm at my wits end figuring out what it could be?

2 Answers
90

TokyoTech answered 9 years ago

Leak head gasket is very popular on this engine caused overheat, go on Ebay and buy Endoscope for $14 and connect to Laptop, remove all 4 spark plug and look for trace of coolant in combustion Chambers.

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255

nelsonwells answered 9 years ago

also you can check for air in the coolant may sound little but it can cause an overheat issue

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