Any one have a noise at start up and after shutdown the motor that sounds like pressure is bleeding off. The guy I bought the car from said the dealer told him that it was a blower motor. But no way a blower would spin that fast.

 

AC refrigerant turning back into a gas.

 

At cold start-up a lot of these cars have an air pump that runs for about 20 to 30 seconds. The sound at shut down has nothing to do with the sound at shut down.

 

Is that something that I need to get looked at