Knocking sound XJR X308
Hello all, I have a 1999 XJR X308. I was on my way to an appointment and noticed as I accelerated I could hear a slight knocking as my revs went up. The knocking is not present at idle and goes away at the shift points. I had no oil pressure light or overheating. I was about 2 quarts low when I checked. When I filled up the oil and started it again I heard a loud metal to metal sound. I drove about 5 miles and only heard the knocking as I reached the shift point. Any ideas?
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Please tell us that you checked/replaced the timing chains/guides/tensioners in the engine.
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Yes, when I had the SC off I replaced the cam covers and checked the tensioners.
https://cimg8.ibsrv.net/gimg/www.jag...4cb7c5b9e3.png This is the only close-up i took, it's the left side. |
It's also knocking at startup now. It goes away and comes back around 2k rmp.
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Could this be my SC? When warm and the idle is low it knocks. Increase the revs and it goes away increase more, past 2k and steady knock. I had the snout and bearings done and the rotors coated. Could it be the rotors?
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Originally Posted by faisme111
(Post 2403225)
I had the snout and bearings done and the rotors coated. Could it be the rotors?
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