rattling noise

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ohlord

New Member
Joined
Dec 1, 2009
Messages
29
Location
GLASGOW
Car
1999,e320 cdi,auto
e320 cdi sounds great idling and on acceleration but when coming off the gas i hear a "rattling noise" not particularly loud. is this common? im thinking it may be the timing chain?
 
It won't be the timing chain. Can't offer any further advice on this. :(
 
could be the exhaust back box hanging mount snapped off . Very common problem . Ive had it snap off on 4 of my cars . Easy to weld back on though as back box usually ok . Or it could be one of the exhaust heat shields broken off its mountings . Had this before where the shield tears off its bolts allowing it to rattle before its drops off completely . Ive fixed this before with large washers to bridge the holes .
 
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