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Tom Richards
TryHard
nsw
V8

Posts: 131
Reg: 08-2005

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Tuesday, January 06, 2009 - 08:50 pm, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi,.
my mates TT had an engine "noise"We pulled off the top timing cover and sprayed the
timing belt with a silicon spray. the noise dissappeared, but we noticed missing teeth on the timing belt. We replaced the timing belt, water pump and timing tensensior pulley, but still have the "noise". It goes when the timing belt is sprayed with a silicon spray. We suspect the bearing on the drivers side cam, but cannot understand why spraying the belt stops the "noise". Any ideas???????
Shane Haverkamp
TryHard
nsw
soarer TT

Posts: 115
Reg: 10-2007

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Wednesday, January 07, 2009 - 04:13 pm, by:  Shane Haverkamp (Havabeer) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

what kind of "noise" is it?

a squeel, a rattle, a clunk, a tick?
Tom Richards
TryHard
nsw
V8

Posts: 132
Reg: 08-2005

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Wednesday, January 07, 2009 - 06:52 pm, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hard to describe, ( similar to a bearing noise)but it also leads you to spray the belt with silicon and the noise dissapears. Had thoughts that it could be the drivers side bearing at the front of the cam, but cannot explain why spraying the belt fixes the problem
Michael Keen
Goo Roo
nsw
Soarer TT

Posts: 1246
Reg: 10-2007

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Wednesday, January 07, 2009 - 07:27 pm, by:  Michael Keen (Spoilt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

sounds like a worn cam tensioner, bearing to methe cam pully bearings are actually cam bearings so it wont be them.. did you spin the tensioner when before you fitted it again.

it is the right belt yes? cam pullys not worn are they? but dont spray ya belt with silcone mate.. i had it a lot of times on just belts.. as soon as you wash the engine the noise goes away.. try the bearing mate. you did crank pully up tight? is the little guide plate on crank installed the correct way facing out..
Tom Richards
TryHard
nsw
V8

Posts: 135
Reg: 08-2005

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Friday, January 09, 2009 - 08:45 am, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

pulled the harmonic balancer off again and moved the timing belt in a fraction. i think it may have rubbing on the guide plate. reassembled and everything seems to be ok
Michael Keen
Goo Roo
nsw
Soarer TT

Posts: 1254
Reg: 10-2007

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Friday, January 09, 2009 - 01:15 pm, by:  Michael Keen (Spoilt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

was the guide plate on the right way?
Tom Richards
TryHard
nsw
V8

Posts: 141
Reg: 08-2005

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Tuesday, January 13, 2009 - 12:44 pm, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

guide plate was on the correct way.

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