dazzer-b Posted May 4, 2012 Share Posted May 4, 2012 hi everyone, had this issue with my car for a while but not really had an oppitunity to leave my car at the garage to get it looked at. when i start the car (only when its cold) it makes a tapping sort of noise under the bonnet near the belt at the front/bottom of the engine for a split second. if you turn it off and do it again it wont make the noise again until its been left for a few hours. dont suppose anybody else has ever had this problem or knows anything around that area that could cause this, like pistons or something. im not very mechanically minded but it doesnt sound very healthy. cheers guys Quote Link to comment Share on other sites More sharing options...
Zugara Posted May 4, 2012 Share Posted May 4, 2012 Cam Chain mate, not much to worry about Quote Link to comment Share on other sites More sharing options...
DannyBoy Posted May 4, 2012 Share Posted May 4, 2012 May be the timing chain tensioners. Not sure about the Zed but i know they're controlled by the oil pressure on some engines, which would explain why it only happens on cold first starts when there's no oil circulating. DB Quote Link to comment Share on other sites More sharing options...
glrnet Posted May 4, 2012 Share Posted May 4, 2012 +1 Happens all the time, nothing to worry about Cam Chain mate, not much to worry about Quote Link to comment Share on other sites More sharing options...
KC350Z Posted May 4, 2012 Share Posted May 4, 2012 May be the timing chain tensioners. Not sure about the Zed but i know they're controlled by the oil pressure on some engines, which would explain why it only happens on cold first starts when there's no oil circulating. DB this is correct Quote Link to comment Share on other sites More sharing options...
Zugara Posted May 4, 2012 Share Posted May 4, 2012 I would rather say that there is little oil pressure on the tensioner at initial startup. HAve you changed your oil at all? Quote Link to comment Share on other sites More sharing options...
dazzer-b Posted May 6, 2012 Author Share Posted May 6, 2012 Awesome cheers. Guys, think I'll get it booked into the garage. Quote Link to comment Share on other sites More sharing options...
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