

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. The new engine adds about 75 pounds to the Legacy and Outback.Some answers to the Subaru head gasket problem.Īt our Subaru shop we see a fair amount of Subaru’s with failed head gaskets. The car's weight is still biased toward the front, but the vehicle is well balanced, stable, and sticks to the road.

It hums along at freeway speed at 2000 rpm and eats up mountain roads in third gear. This turbodiesel is surprisingly smooth, with little turbo lag. Subaru has done an excellent job of isolating engine noise from the cabin, and despite some wind noise, it's still easy to chat with passengers without having to raise your voice. The engine is somewhat noisy at idle, but that disappears once you get up to speed. After a few tries at caressing the right side of the steering column and dash like a loved one's shoulder and finding no button (it's on the left), we were on our way. The only thing that really took getting used to was the pushbutton start, a feature not offered in the States. The topline models we tested came with nav, leather, power driver's seat, moonroof, and 17-inch wheels fitted with Bridgestone Potenzas. Some changes were made to accommodate the new powerplant, including the use of liquid-filled engine mounts, modified spring rates, larger CV joints, electric power steering, and larger front disc brakes. While Subaru is considering a six-speed manual, expect this and an automatic to be offered in the U.S.

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(Testing has not yet been conducted for the U.S., but a urea-injection selective reduction catalyst is likely to be required here.) Backing the turbodiesel in our testers was a new five-speed manual transmission, geared specifically for diesel applications. Emissions are handled by an EGR system, particulate filter, and an oxidation catalytic converter, making the engine EURO IV compliant. The intercooler is still on top of the engine near the intake manifold, with longish hoses connecting the turbo to the intercooler-yes, the hood scoop is functional. Subaru moved the variable-nozzle turbocharger to the bottom of the engine (mounted between the exhaust ports and catalytic converter), which improves emissions and helps keep the center of gravity low.
