My car sounds like a diesel!!!! - Alfa Romeo Forum
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Join Date: Mar 2009
Location: United Kingdom
County: Greater Manchester
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Alfa 147

My car sounds like a diesel!!!!

Hi Guys,

I've been looking over the website over the last few days trying to determine why my 156 (1.6, 72k on clock) sounds like a diesel, when i turn it over it sounds quite bad, but after i get over 2000rpm its fine, but as soon as i go below 2000rpm then it sounds rough again, i presume its the variator but is there any way i can can find out for sure??

I completed an oil and filter change about 500miles ago but it didnt seem to help, although i was recommended an oil by a garage which was 5w_40, could it simply be the oil??

Ive been to some local garages and they reckon it could be the camshaft or crankshaft and they were quoting me silly money and saying i needed a reconditioned engine, so i'd like to be sure before i part with my hard earned cash!!

Any info or garage recomendations in manchester would be greatly appreciated.


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Join Date: Apr 2008
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I had this once with a petrol vectra.
The timing chain snapped soon afterwards.
telfordsteve is offline  
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Sound,s like variator, How long since cambelt and balancer shaft done,+tensioners of course, try to find a alfa specialist. some only get the cambelt done, I,ve heard a twinspark running like a bag of nails, turned out that the balancer shaft belt had lost half it,s teeth from being tensioned to loose. Don,t trust local garages find a recommended specialist,all the best.
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