Rosie Posted September 4, 2011 Report Posted September 4, 2011 Hi My 1999 tdi has developed a knocking noise from the top of the engine at idle,but dissapears when a on fast idle.The car has done 183,000 miles on the original injectors.Could the injectors be the problem ? Ta Rosie Quote
gregers Posted September 5, 2011 Report Posted September 5, 2011 might be engine roll restrictor or the alternator pully/tensioner? Quote
chrispb123456 Posted September 5, 2011 Report Posted September 5, 2011 Try undoing each injector pipe in turn, see if there's any reduction in the knock, could also be a camshaft/tappet wear Quote
Rosie Posted September 6, 2011 Author Report Posted September 6, 2011 might be engine roll restrictor or the alternator pully/tensioner? Cheers Gregers Defective Alternator tensioner discovered.Renewed and all is well. Quote
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