Problem with engine being noisy was, 1998-1999 engine vvt valves rattle because..explained as follows. Wear on the big end shells causes loss of pressure to vvts thus the rattle untill thay prime,no noise on cold starts as oil is thicker when cold. The fix is to do the shells and as the engine has t...

Many many thanks,I feel all I have been doing is giving money away for nothing to this jag enineer,who seems to be at a loss.the last thing I wan't is to keep throwing money at guess work..

VVT disconnected and noise still there, this noise only occurs when engine is restarted and still warm. All indications look to chains or tensiners but as stated,all changed and checked,I have changed to a thicker grade oil to see if this makes a differance and if so,can it be hydrolic tappetes..

Many thanks for the interest in my problem, more info for you is,noise only happens on hot starts and will go away when engine is reved up a bit .sounds like a chain on a bike moving up a gear. But as I said all tenseners and chains changed,can I get lazy tappets checked by using a set of feeler gau...

I have had all chains and top and bottom tensinors replaced with noise still persistant,strip down again told a chain had stretched and rebuilt. Noise still there.VVT disconected so its not that,so what are the chances its a lazy tappet as I can't think of anything other than that. XK8 60,000mls