Aircon very noisy but only when turned off since the fitting of new aircon clutch

[sziggy]

Afternoon all,

Just fitted a brand new aircon clutch to the Mazda5 and all was looking good until I turned the aircon off when I get a loud tapping / knocking noise (I have a vid if it is of help). The noise isn't there if there is no aircon belt fitted, so it must be related to the fitting of the new clutch. As I said the odd thing is it is only present with the aircon off.

Do any of the Mazda genii have any ideas?

Thank you

Stephen

 

[Vasy]

You seem to have answered your own question.
Sounds like a defective aircon clutch.

 

[sziggy]

Hi,

I see what you are saying, but it is a brand new clutch (could still be faulty I suppose) and only happens when he aircon is off. If it had been with the aircon on I would have understood it.

I will remove and refit to check everything

 

[Vasy]

Hi,

I see what you are saying, but it is a brand new clutch (could still be faulty I suppose) and only happens when he aircon is off. If it had been with the aircon on I would have understood it.

I will remove and refit to check everything

There is still a bearing that lets the spin happen when the clutch is not engaged, check that the noise is exactly coming from there.
You will not be the first person to receive a defective unit if that end up being the case
I can see how troubleshooting would be more difficult because it is only natural to assume new part is good. There could also be an issue with the installation I suppose.