All Things Mk5 > How to Guides / Troubleshooting

slight tapping noise from engine on idle

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Bad-vw-boy:
I thought my car was a timing belt not chain as 2007 tfsi engine?

muff1991:
Hi mate, these TFSI engines have a cambelt one side connecting the crankshaft to the exhaust camshaft. On the opposite side of the engine inside a small housing you have a cam chain connecting both inlet and exhaust camshafts together. The chain over time can stretch and/or the tensioner for the chain fails or doesn’t tension the chain enough causing tappety type chain noises. Which said noise is more noticeable once engine is warmed up or in general sounds very diesel like.


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Bad-vw-boy:
is this a simple fix as I have had the belts changed but not sure about the other bits

muff1991:

--- Quote from: Bad-vw-boy on September 01, 2019, 07:55:34 pm ---is this a simple fix as I have had the belts changed but not sure about the other bits

--- End quote ---
Hi mate, check out Rich93’s guide on the how to section. Then judge for yourself against your mechanical know how. Its not too difficult once you get going. (Like everything I guess)


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