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Omega Help Area => Omega General Help => Topic started by: terry paget on 15 February 2017, 13:25:28

Title: Rattling catalyst - is it MOT failure or merely advisory?
Post by: terry paget on 15 February 2017, 13:25:28

2.5 petrol maniual estate

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Title: Re: Rattling catalyst - is it MOT failure or merely advisory?
Post by: terry paget on 15 February 2017, 13:32:03

2.5 petrol manual estate.

Checking V828 prior to MOT, I notice a rattling from n/s catalytic converter. If it passes the emission test, will it pass its MOT in this condition?.






























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Title: Re: Rattling catalyst - is it MOT failure or merely advisory?
Post by: Doctor Gollum on 15 February 2017, 13:50:43

If it's leak free and meets the emission requirements, then it should be a clean pass ;)

Title: Re: Rattling catalyst - is it MOT failure or merely advisory?
Post by: Kevin Wood on 15 February 2017, 15:10:04

Would be worth checking if the rattle is from the inside of the cat or the heatshields, which do start to come loose eventually. Sometimes a jubilee clip round them, or similar, will quieten them.

But yes, MOT criteria are that it's free of leaks, securely mounted and passes the emissions checks.