Rattle from 940 turbo

Mar 28, 2005 2 Replies

I have this old girl 124K she has once again sailed thru her MOT (UK) I asked the mechanic about the rattle when I power on. It sound extremely noisy when run from cold, but-- quietens down to a less sharp rattle. It does seem to manifest from the bottom end. The mechanic said "IGNORE--- she's an old girl, just run her into the ground. As long as she is serviceable you'll be fine". The old girl indeed runs well with no loss of acceleration and the turbo is a delight to use. I have added a product (he advised) ZX1 FRICTION ELIMINATOR. I use good quality oil and have regular services. I am just so concerned about the obvious"knock" I am keen to keep her but is there any other way of softening the Rattle/Knock


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Check the exhaust for loose/fallen off hangers, weak connections between pipes and muffler/catalytic converter etc... Check heat shields for any looseness.

I would track down where it's coming from and repair it, I had a knock like that which turned out to be the bracket had broken on the exhaust pipe. A '91 940T with only 124K on it is hardly an "old girl", she's just about broken in!

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