1999 Subaru Impreza Outback Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Subaru Impreza Outback

1999 Subaru Impreza Outback Problems

Mass air flow sensor recall

Subaru issued a recall (WWG-90) because the mass air flow sensor has a manufacturing defect.

Cooling System Problems Cause Head Gasket Failure

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.

Engine Oil May Leak From Camshaft/Crankshaft Front Seals

Front engine oil leaks can develop from the camshaft seal and the crankshaft front seal. If one or more seals require replacement, it may be wise to consider replacing the timing belt as well. These seals are commonly inspected and replaced as needed as part of a timing belt service.

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