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Got a rattle, cant figure out what it is
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Author:  kasperflipped [ Fri Feb 23, 2007 8:46 am ]
Post subject:  Got a rattle, cant figure out what it is

Hey all,
ive got an annoying rattly noise that i cant figure out what it is. Its metalicy sounding and is sorta a mix between if you shook a tin of spray paint and if you swriled it (so the ball bearing inside spins around the tin). It happens at a certain rev point in 2nd and 3rd and pretty much after i put my foot on the clutch for relaxed gear changes. Ive tried to replicate it whilst parked with the bonnet up but cant get the smae results. Ive checked that my grill isnt shaking and that everything else in the engine bay is tight. Do clutches make a noise like that or maybe the timing chain?
Thanks for anyone who can decifer what im talking about and help:)
rock and/or roll
trent

Author:  Matt68 [ Fri Feb 23, 2007 9:09 am ]
Post subject: 

Sounds like the clutch release bearing, try and adjust the clutch, this might get rid of it if it is just too close to the diaphram, but it will probably need replacing soon.

Cheers
Matt

Author:  Harley [ Fri Feb 23, 2007 9:12 am ]
Post subject: 

Random thoughts:

Got a can of paint in the car?
Wheel bearing (since it's when moving only)?
I don't know what a slack chain sounds like. But you might be onto something.
Speedo cable? Solution is re-oil it or get newy.
Any loose wiring or cables in the engine bay that could be vibrating?

:D

Author:  kasperflipped [ Fri Feb 23, 2007 9:21 am ]
Post subject: 

Got a can of paint in the car?
Nah, found a bottle of brake fluid though :)

Wheel bearing (since it's when moving only)?
Dont think so, it mainly happens when changing gears

I don't know what a slack chain sounds like. But you might be onto something.
Speedo cable? Solution is re-oil it or get newy.
hmm possiblity, ill look into this one

Any loose wiring or cables in the engine bay that could be vibrating?
checked all this multiple times,. no luck there

thanks for the replies, im gunna look into the clutch bearing too, i was leaning towards it being a clutch thing

Author:  poeee [ Fri Feb 23, 2007 10:27 am ]
Post subject: 

Mine made a similar noise before I changed the timing chain (noise at a certain rev range). 8)

Author:  willy [ Fri Feb 23, 2007 10:46 am ]
Post subject: 

Exhaust touching somewhere?
Brackets to the pipe?

Sounds exhaust related to me.
Resonant frequency at a cetain rev range.


That's my guess.

Author:  Stuwey [ Fri Feb 23, 2007 11:20 am ]
Post subject: 

Do you have the return spring on the clutch arm?

I never run the spring, and it makes a very unique, light kinda rattle sound. Nowadays i remove the bracket, too.

Just a thought....

Author:  peterw [ Fri Feb 23, 2007 1:16 pm ]
Post subject: 

Does it only make the noise when your foot is on the clutch pedal?

Pete

Author:  Mini Mike [ Fri Feb 23, 2007 1:40 pm ]
Post subject: 

is the number plate loose?

Mike

Author:  cush [ Fri Feb 23, 2007 1:45 pm ]
Post subject: 

i'd tighten anything you can see first before opening anything up...

door seals, hinges, windows, bonnet, boot battery, badges, everything.. :)

Author:  Mini Mike [ Fri Feb 23, 2007 4:27 pm ]
Post subject: 

couls also be the bonnet stay... You know the rod that holds the bonnet up... Try tapeing it up then take it for a drive.... Try everything simple first... Chances are it will be something silly.

Mike

Author:  Mini Mad [ Fri Feb 23, 2007 4:55 pm ]
Post subject: 

I vote for clutch release bearing..maybe primary gear rattle?

Author:  Mick [ Fri Feb 23, 2007 5:03 pm ]
Post subject: 

Everyone else is up for a guess, so here is mine. Radiator to guard cowling.

Author:  cush [ Fri Feb 23, 2007 5:37 pm ]
Post subject: 

why is everyone suspecting mechanical problems?

Author:  Harley [ Fri Feb 23, 2007 5:46 pm ]
Post subject: 

cush wrote:
why is everyone suspecting mechanical problems?


Why? Is your thought he has one of these under the seat? :D

Image

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