All Things Mk5 > How to Guides / Troubleshooting

rattling ticking engine sound

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lara:
mines diesel sounding on start up but quiet once im on the move....the rattling thing is just above the fanbelt, its on the left hand side of the engine... think am gona just dip into the savings and get a garage to have a look!

Boothy:
Ain't that the Alternator belt and Alternator (thing for charging the battery - sorry if i'm teaching you to suck eggs)? Mine sounds like a diesel on start up and does quieten down a bit when warm but if you tickle the throttle slightly at idle it still sounds the same. I've also had my cambelt changed which I believe has solved some peoples issues but not mine.

Nasir:

--- Quote from: Boothmeister on February 22, 2010, 09:23:13 pm ---Ain't that the Alternator belt and Alternator (thing for charging the battery - sorry if i'm teaching you to suck eggs)? Mine sounds like a diesel on start up and does quieten down a bit when warm but if you tickle the throttle slightly at idle it still sounds the same. I've also had my cambelt changed which I believe has solved some peoples issues but not mine.

--- End quote ---

Yes the fan belt.

lara:
the thing thats rattling on mine is just above the fan belt, its bolted onto the side of the actual engine block and not fixed to the belt or alternator part at all... i think im gona get the cambelt changed and tensioned and hope it helps....

ub7rm:
In your picture on the left hand side there is a black plastic contraption with hoses going into it.  This is the charcoal filter and it will tick periodically and is normal.  The thing slap bang in the middle of the picture and attached to the block is the auto tensioner for the aux belt (or fan belt as its still known).  I had one of these go bad on me with my mk4 and it made some strange noises...

If that is what you are talking about, IIRC the part was about £80 (albeit for a 1.8T engine but they look much the same) - not too much labour to change either.

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