a c condenser making loud noise on shut down

[pilsner]

york 3 ton fan makes noise on start up for a second or two . The real concern is when it shuts down it bangs real loud like it is stopping real suddenlly it is only on its second summer now and dealer isnt much help

[beachtech]

the fan blade my be going bad. sometimes when the blade loosens from the hub it can make loud noises during start up and shut down.

recommend having a tech come out to take a look at it

is there not another contractor in your area that could be of assitance?

[pilsner]

i had the rep from the wholesaler look and listen to it . I was the one that installed it . The noise on shut down is the compressor and that make me worry that it wont last. I worked for a service company for years and am not a pro on a c if i had a problem i would ask one of the bosses both were journeyman

Thanks for the reply

[beachtech]

is not unusual for scroll compressors to make a noise during shut down. if york has a compressor blanket available for that model, it can help reduce the noise if it is of nuissance.

[pilsner]

i dont believe that it is a scroll it was bottom of line model 13 seer

[pilsner]

the noise on start up he said was the fan motor working hard because of the big fan blades poor excuse

[pilsner]

would you put a hard start kit for comp and fan . i already have one for comp

[beachtech]

no such thing for a fan motor

[pilsner]

so as long as capacitor is good you cant boost it like the comp?

[timebuilder]

Because a fan can spin freely, there is no hard start kit for a fractional hp fan motor.

Am I correct in assuming your fan motor and blade are generic replacement parts, and not the correct OE parts? Is that why a wholesaler is involved?

Short of replacing the motor and blade with the correct part, we can't make a further diagnosis without being there.

Is your compressor elliptical or cylindrical?

[pilsner]

all parts are original it is only on its second summer

[pilsner]

wholesaler is in volved cause he sold it to me and i called him

[HVACTechNC]

Excessive noise is a valid warranty code (at least for compressors)

[ucdiwithdc]

This may sound crazy but remove the hard start and see if the noise goes away. Only be careful not to remove anything else like run caps for both motors.