Subaru Outback overheating issue related to head gasket failure on Subaru Outback

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Subaru Outback owners report experiencing overheating issues related to head gasket failure, which can lead to severe engine damage and costly repairs if ignored. These owners often find that the quality of materials and manufacturing defects contribute to head gasket failures, emphasizing the importance of a well-functioning cooling system to prevent overheating. Common symptoms reported include overheating, white smoke from the exhaust, loss of power, and potential engine failure, all of which should be addressed promptly to avoid further damage. Additionally, proper maintenance and timely repair by a qualified mechanic are crucial to mitigating head gasket issues. Long-term considerations, such as regular maintenance and replacing the timing belt on older EJ series engines, are essential to prevent catastrophic engine damage.

2 people reported this problem
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Subaru Outback vehicles with this problem

1 model year affected
Average mileage: 138,000 miles
(138,000 - 138,000)

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