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Author Topic: Timing chain rattle.  (Read 19663 times)

Offline Gene Hunt

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Timing chain rattle.
« on: June 21, 2009, 05:11:45 pm »
Does you'r mk5 do it when warm ?sounds a bit tapperty ?.I've checked on my warranty details & it is covered so need to speak with the garage that i got the car from on monday.Sounds a bit like diesel rattle ?.
« Last Edit: June 21, 2009, 05:14:06 pm by Gene Hunt »
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Offline gazbutS3

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Re: Timing chain rattle.
« Reply #1 on: June 21, 2009, 09:03:59 pm »
u don't have a timing chain :smiley:
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Offline bigbo

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Re: Timing chain rattle.
« Reply #2 on: June 21, 2009, 09:18:13 pm »
ive noticed mine has a little tapping too, any ideas?
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Offline vwrascal

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Re: Timing chain rattle.
« Reply #3 on: June 21, 2009, 09:30:36 pm »
they all sound a bit tappety, bit like a diesel    :happy2:
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Offline bigbo

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Re: Timing chain rattle.
« Reply #4 on: June 21, 2009, 09:37:38 pm »
its a funny tapping, not like a engine noise (although thats where it must be coming from i know) but it seems to be coming from behind the centre console to passenger side, hard to explain really
« Last Edit: June 21, 2009, 09:40:03 pm by bigbo »
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Offline NB07

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Re: Timing chain rattle.
« Reply #5 on: June 21, 2009, 09:42:51 pm »
i got mine sorted souds quiet as a mouse now  :smiley:

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Phil Mcavity

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Re: Timing chain rattle.
« Reply #6 on: June 21, 2009, 09:50:51 pm »
i found mine got quieter after a fresh oil change.

My cam belt tensioner from cold seems to be noisey making a rubbing sound, but once the engine starts to warm, the noise vanishes to leave a slight ticking noise below 1200prm then disapears which i class that as normal and not an issue to be concerned of.
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Offline bigbo

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Re: Timing chain rattle.
« Reply #7 on: June 21, 2009, 09:54:38 pm »
Quote from: Phil Mcavity on June 21, 2009, 09:50:51 pm
i found mine got quieter after a fresh oil change.

My cam belt tensioner from cold seems to be noisey making a rubbing sound, but once the engine starts to warm, the noise vanishes to leave a slight ticking noise below 1200prm then disapears which i class that as normal and not an issue to be concerned of.



i guess that might be it, it sounds like a very quiet indicator noise but i can only hear it when its stood ticking over
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Offline gazbutS3

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Re: Timing chain rattle.
« Reply #8 on: June 21, 2009, 09:56:25 pm »
its the injectors opening and closing at tickover :happy2:
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Phil Mcavity

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Re: Timing chain rattle.
« Reply #9 on: June 21, 2009, 09:59:09 pm »
Quote from: bigbo on June 21, 2009, 09:54:38 pm
Quote from: Phil Mcavity on June 21, 2009, 09:50:51 pm
i found mine got quieter after a fresh oil change.

My cam belt tensioner from cold seems to be noisey making a rubbing sound, but once the engine starts to warm, the noise vanishes to leave a slight ticking noise below 1200prm then disapears which i class that as normal and not an issue to be concerned of.



i guess that might be it, it sounds like a very quiet indicator noise but i can only hear it when its stood ticking over
indeed, nothing to worry about. Tis the norm for TFSI.
Oil tends to loose it viscosity after a while and every time ive had oil changes, shes quiet as a kitten.

Does the Valve chain use hydraulic lifters which relys on oil feed to lift or is it valve and spring/rocker etc??. Anyone know????

My old CVH engine in an old ford i had used to have hydraulic lifters, and when the oil got old and thinner, it made the valves chatter causing a rattle or Knock. Perhaps the TFSI has the same "sort of" principle??

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Offline bigbo

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Re: Timing chain rattle.
« Reply #10 on: June 21, 2009, 09:59:48 pm »
Quote from: gazbutS3 on June 21, 2009, 09:56:25 pm
its the injectors opening and closing at tickover :happy2:

right so as long as thats all it is then i dont need to worry, PHEW!!
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Phil Mcavity

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Re: Timing chain rattle.
« Reply #11 on: June 21, 2009, 09:59:51 pm »
Quote from: gazbutS3 on June 21, 2009, 09:56:25 pm
its the injectors opening and closing at tickover :happy2:
Very high fuel pressure in the rails then?
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Offline gazbutS3

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Re: Timing chain rattle.
« Reply #12 on: June 21, 2009, 10:12:57 pm »
thats exactly what it is steve :happy2:
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Offline ukdub

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Re: Timing chain rattle.
« Reply #13 on: June 21, 2009, 10:47:24 pm »
We all have a chain as well as the belt.  It is on the opposite end of the block and drives both cams.  I know a lot about this issue and it is not the normal sounds that our TFSI engines make.  IE.  Injectors,  carbon canister, purge valve or other stuff like that.  This noise that the OP is on about is the cam chain.  At the moment it only seems to affect early TFSI engines (AXX).  My engine sounds like a bag of nails when warm but nice and quiet when cold.  Have a read of this if you havn't already.

http://www.golfgtiforum.co.uk/index.php?topic=115268.0

Its quiet long and now and again a few red herrings get thrown in,  but ultimatly the chain is at fault.
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Offline Gene Hunt

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Re: Timing chain rattle.
« Reply #14 on: June 22, 2009, 07:58:24 pm »
Quote from: ukdub on June 21, 2009, 10:47:24 pm
We all have a chain as well as the belt.  It is on the opposite end of the block and drives both cams.  I know a lot about this issue and it is not the normal sounds that our TFSI engines make.  IE.  Injectors,  carbon canister, purge valve or other stuff like that.  This noise that the OP is on about is the cam chain.  At the moment it only seems to affect early TFSI engines (AXX).  My engine sounds like a bag of nails when warm but nice and quiet when cold.  Have a read of this if you havn't already.

http://www.golfgtiforum.co.uk/index.php?topic=115268.0

Its quiet long and now and again a few red herrings get thrown in,  but ultimatly the chain is at fault.
.............thanks for that mate.Mine is an 05 with the AXX engine code.Is it just the chain that needs to be changed ?. had the garage change the cam belt & water pump etc before i picked it up.Have you the part no please mate ?.
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