October 4, 201015 yr my forrester is consuming coolant. put a pressure tester on it..no pressure drop 4hrs later, is this an automatically a head gasket problem, any tricks to further diagnose to rule out, i was thinking it was the water pump.
October 4, 201015 yr Yep - head gasket fail. There's a leak that's only opening up when hot. That's a classic head gasket failure-prone engine. OEM gaskets are $34 each GD
October 4, 201015 yr Two words - HELL NO. Not on the EJ's. OEM is the stuff. GD +1 PT's are great for EA/ER engines, but NOT EJ's. just a wag but if you didn't experience classic EJ25 overheating symptoms i wouldn't be surprised if they were replaced years ago with some aftermarket gaskets. Edited October 4, 201015 yr by grossgary
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