Cam Cover Oil Leak
My '99 has a small cam cover oil leak. Actually, its more than a seep and less than what I'd call a leak (no drops on the garage floor, but I can see oil under the cam covers). Dealer said to just ignore it unless it gets much worse and said to re-seal the cam covers would be ~$1,000 in labor.
Really? Can someone tell me why re-sealing the cam covers is so time consuming? I am not talking about taking off the heads, but just removing the cam covers, scraping off the old sealant and cleaning the surfaces, and reapplying new sealant and re-installing the covers. Sounds like ~3 hrs of work, not the 7-10 that I got from the dealer (and I read the same number of hours in various forums). Can someone who's done this give me a quick run-down in regards to what am I missing or underestimating? When someone re-builds a Boxster engine do they spend 10 hours just getting the cam covers re-sealed? |
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I was told that I can pull the Cam Cover bolts out one at a time then either replace or clean exisiting bolts with alcohal then a little permatex on the head and put back in in and make sure I do not over tighten. What do you all think?
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What would you use to reseal bolts in this manner ?
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I had good results by replacing the 3 (4?) bolts along the lower cam cover. I took them out one at a time, thoroughly cleaned the threads going into the head by chasing them gently with a tap, flushing with brake cleaner, then installing the new, micro encapsulated bolTs from the dealer with a good goober of sealant. Don't over torque the bolts!
It's hasn't completely solved the leak, but it went from a persisten drip to a drop of oil every now and then. |
I sent some pics to my mechanic and he said that I probably have a cam cover leak. Now I don't recall this leak prior to my large service with them. I'm thinking about just replacing the bolts as you guys have done. What's the torque spec for those bolts.
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10 ft/lbs make sure you get the correct bolts, 10.9 grade & 30mm long I think |
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