Maybe someone here has experienced this?

Truck runs great. Currently have 41000 Km (25625 Mi) on it. 2000 model year. No modifications with the exception of K&N Filter.

When I turn on the Air Conditioning, I often get an audible "clunk" from under the hood. A/C works fine when on.

Any thoughts?

Thanks.

 

I was going to say, get the clunk washers.

 

Compressior switching on.







Scott

 

I suspect it is the AC clutch kicking in…