2008 Subaru Impreza Repairs

Asked by kcg138 Oct 02, 2019 at 11:39 AM about the 2008 Subaru Impreza 2.5i

Question type: Maintenance & Repair

Last week I took my 2008 Subaru Impreza in
to my Subaru dealer because the tire
pressure light was on. Apparently the tire
needed to be resealed due to corrosion. They
also mentioned needing brakes, the sway bar
fixed and head gasket replacements (which
I’ve read are a problem on Subaru’s). Today I
brought it in to my local mechanic to get the
brakes done, which they agreed needed to
be done. The local mechanic mentioned a
problem with the exhaust. The car has
113,000 miles on it. Thoughts on continuing
to do all these repairs or is it better to get a
new car?

2 Answers

3,300

This is a bit of a tough one. The 2008-2011 era Imps shared the gutsy 2.5i SOHC motor with the larger Leg/OB, with a reasonably tough 4EAT trans. As you know, acceleration is strong, but fuel eco relatively poor by modern standards. Ride comfort is quite good, however, so these can be great urban winter rats. Cleaning and resealing a rim and balancing a tire is only $20-30. Sway bar end links break off, but are cheap to replace. I'd take of them in the rear to reduce body roll, as well as the front to stabilize handling. What's the problem with the exhaust? Center and rear parts are affordable...the front much pricier. Do you have a CEL PO420 for a weak cat conv? This is the common situation. The big deal is of course the HGs, which are problematic for all 2.5i SOHC before 2010. Is the #4 cyl corner leaking coolant? How badly? Is the right head leaking oil? How badly? (Note: use 5w winter or 10w summer, NOT 0w!) Brake jobs on your Imp are easy and fairly cheap, as full rotor/pad sets can be bought online well under $100/axle and can be installed in less than an hour. HOWEVER, if the HGs are bleeding badly you must remove the motor, send the heads out to a machine shop, re-gasketing them nicely, swapping the t-belt and pulleys (but not the waterpump nor t-stat), and carefully purging the cooling system. Cost for all this is in the $1.4-1.7k range, and MAY bot be prudent, especially if you have a pricey front exhaust job, or maybe BOTH f & r brakes needed. I'd have to see your chariot in order to predict the death curve more accurately. Note that modern Imp/CT/Fors suffer from many more QA issues than before, and are anemic compared to your beefy 2008, so I generally suggest that early Imp owners get a modern (2015+) OB, or if that much cargo space isn't required, the better value Legacy Sedan. (Disclaimer: I sell these.) Good luck. Ern TSG/B

Thank you so much for answering! I got the tire resealed and the rear brakes done....not too bad. As for the exhaust: it's a small leak. They "may be able to replace some of it and save the rest", however more than likely it needs to be completely re-done. As for the head gasket: one gasket is leaking oil, but they recommended replacing both as well as the timing belt. Quote was $2,300 for that. I had planned on getting a new SUV in the near future and was looking at the 2020 Forester, but I'll have to make sure I do some good research. Thanks!

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