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Grumbling Noise In First With Feet Off The Pedals


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#1 stevesey

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Posted 11 January 2011 - 08:16 PM

Hi all

Just bought an '04 1.8 TDDI.

Have noticed a slight "grumbling" noise in slow traffic queues if I pull away without using any gas and let the car pull itslef along at idle speed with my feet off the pedals. Noise goes as soon as I apply a little gas and speed up to > 1000rpm. Any ideas?

It's my first diesel, so I'm not sure if this could be diesel related (not like the nornal clatter thouugh) or gearbox related.

Thanks

Steve

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#2 artscot79

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Posted 11 January 2011 - 09:00 PM

Hi all

Just bought an '04 1.8 TDDI.

Have noticed a slight "grumbling" noise in slow traffic queues if I pull away without using any gas and let the car pull itslef along at idle speed with my feet off the pedals. Noise goes as soon as I apply a little gas and speed up to > 1000rpm. Any ideas?

It's my first diesel, so I'm not sure if this could be diesel related (not like the nornal clatter thouugh) or gearbox related.

Thanks

Steve


the problems likely the fact youre letting the car pull away with no gas meaning the engine is being laboured

#3 stevesey

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Posted 11 January 2011 - 09:09 PM

the problems likely the fact youre letting the car pull away with no gas meaning the engine is being laboured

Well no other car I have owned has ever done this (ECU adjusts fuelling/throttle to maintain idle speed anyway - very little different from applying gentle right foot yourself, which you used to have to do to trickle along). Perhaps it's just a diesel thing?


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