The second group is the 2nd generation Subaru 2.2l and 2.5l engines found in the Forrester from mid-year 1998, Impreza from mid-year 1998, the Outback and Legacy from 2000.The early symptoms that occur in the 2nd generation engines is usually an external oil leak at both head gaskets and an external coolant leak at the left side head gasket, we have seen coolant leaks at the right side head gasket as well but at a much lower failure rate than the left side. From there what typically happens next is intermittent higher than normal coolant temperature gauge readings, followed with intermittent overheating especially during a long freeway trip or a drive up the mountain passes. Shop 6 Star Head Gaskets from AWD Today >Įarly signs of head gasket failure in the 1st generation Subaru 2.5l engine will include an oily residue found in the coolant overflow bottle also possible is an exhaust, fuel or sulfur smell in the coolant overflow bottle.
This group usually, will develop an internal head gasket leak ultimately resulting with an overheating engine. The first group is the 1st generation 2.5l engine found predominantly in the 1996 to 1999 Outback, Legacy G.T., Forrester (up to mid-year 1998) and Subaru Impreza R.S.
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The following information is aimed at educating our customers about the problems, what to look for, tips on how to avoid future problems, and what to if your Subaru has developed problems with the head gaskets. There are two separate groups or years of production that the failures fall into. Some answers to the Subaru head gasket problem.Īt our Subaru shop we see a fair amount of Subaru’s with failed head gaskets.
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