Subaru Forester EJ253 Head Gasket Failure
The EJ253 flat-four in Forester/Outback has a documented head gasket failure mode. Coolant seeps externally from the head gasket joint — often starting as a minor leak before progressing. Pro-active reseal with OEM gasket at 100,000 miles prevents sudden failure. Cost: £600-1,200.
Repair / Solution
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⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Subaru Forester 2002 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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