I bought an 02 wrx a couple months ago and it has always had this odd clunking sound every second or so at idle, i narrowed it down to the passenger side head so i pulled the timing belt cover off that side and ran the engine. The cam sprocket was walking in and out of the head about .200" and the clunk was when the shaft would bottom out. So today i pulled the valve cover and everything besides the cam walking looks normal? i checked the torque on both cam caps but not the front one. what could cause the cam to have this much play? heres a youtube link to a video i took today with the valve cover off. Any help would be much appreciated!!!
Guy I bought it from did a timing kit on it 1k miles before I boughti it is all I know, is it possible to removet that cam with the engine still in the car?
it might be something involving the timing belt job. I'm not sure if you can remove the cams without removing the engine, try searching up camshaft removal in the forums
Problem solved! Ended up pulling engine and putting new heads on it along with a fresh set of rings, the noise and play was coming from a broken camshaft, the front thrust surface was broken clean off and it trashed the head.
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