Cooling System Problems Cause Head Gasket Failure on Subaru Legacy Outback

The head gasket has a high failure rate due to cooling system problems. Subaru is aware of the problem and has extended the warranty to 8 years/100k miles on many vehicles.

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Average mileage: 130,738 (25,000–224,000)
Engine affected: 2.5L 4 Cylinder
2 model years affected: 1997, 1999
11 people reported this problem
5 people shared problem details
1999 Subaru Legacy Outback- 2.5L 4 Cylinder189,650
i have the same issue
1997 Subaru Legacy Outback- 2.5L 4 Cylinder70,000
Head gasket failure. Failed in April 2002.
1999 Subaru Legacy Outback- 2.5L 4 Cylinder224,000
Loss of coolant, over heating on hills, bubbling in the coolant fill bottle, replaced several radiators
1999 Subaru Legacy Outback- 2.5L 4 Cylinder170,000
Head gasket leak causes coolant to be depleted after driving 20 to 30 miles. Overheats. Have to stop and replenish coolant. On top of oil leaks and and noisy 4th gear, I'm scrapping it and getting something else.
1999 Subaru Legacy Outback- 2.5L 4 Cylinder140,000
Replaced head gasket.
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