SteveM Posted March 24, 2016 Share Posted March 24, 2016 My head gaskets are leaking oil, so I need to get them done. I'm thinking that while the engine is out and while the heads are off, is there anything else I should have the mechanic do? Are there any additional seals / gaskets / bearings that should be replaced or looked at? Should the heads be milled? Are there any performance parts I might want to consider? Are there any non-engine parts I should replace or look at? Unfortunately, last year I did the clutch and timing belt, so those aren't needed. Steve 2005 Legacy wagon (non-GT) Link to comment Share on other sites More sharing options...
Max Capacity Posted March 24, 2016 Share Posted March 24, 2016 Hi, it's a 2.5i so there's not much it needs other then the normal parts. You may want to think about the heater hoses and coolant hoses. While I got you, if you want to save money on insurance give this guy a email, he's saved me a lot of money over the years. He's also a member here. You can tell him I sent you. Jason Simko Licensed Agent Connecticut Insurance Exchange, Ltd. 112 Market Square Newington, CT 06111 www.cieltd.us Phone - 860 666-5443 ext:19 Fax – 860-666-1172 Like us: facebook.com/CIELTD Follow us: twitter.com/PaylessCT 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
HiPowerShooter Posted March 26, 2016 Share Posted March 26, 2016 To answer the question: Remove the heads and take them to a machine shop and have new Viton guide seals installed. At the same time they can easily check and give the valves a quick lap. Intake valves are almost always still in "new" condition, but the exhaust really take the beating over the years. Most of the time, on any head I rebuild I simply replace the exhaust valves as a matter of practice. They're cheap...might as well. After that, have them surfaced and given a good wash. Now...after that, I also chase the plug threads with a tap to renew them. Better to find a bad, or soon to be bad thread while the head is on the bench than when it's already installed. Link to comment Share on other sites More sharing options...
WahooNo2 Posted March 27, 2016 Share Posted March 27, 2016 front and rear crank seal, oil pump seal, camshaft seals, pilot bearing and throw out bearing since you have the engine out. Basically any other parts that are really cheap but cost a lot to replace if they fail. Link to comment Share on other sites More sharing options...
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