The Pantera Place
"Your de Tomaso Connection"

Balancing Cooling Fans

By Mike Dailey

All of the technical information and product information posted on this website is offered as general information and is not recommended, endorsed, guaranteed or presented as professional technical information.  It is recommended that you seek professional help for the repair or maintenance of your car.  Improper self-maintenance or repair of your car can result in serious injury and or death.  Use of this information is done at your own risk.   

Ever since I installed my Meriah cooling fans I've had a very slight vibration that I could feel in the body of the car when they were running, especially when they were both running.  I decided that something had to be slightly out of balance.  I removed  the fan blades from the motors and found that they were slightly out of balance.  

Cooling Fan 1.JPG (136718 bytes)

I used a couple of small boxes, thin wood strips and a shaft that fit snugly through the blade hub as a balance jig.  I was able to determine that the blade assembly was heaver on one side.     

Cooling Fan 2.JPG (155732 bytes)

I used some stuck on thin lead used for balancing ceiling fans to balance the assembly.  The balance process takes awhile and I used masking tape to stick the weight on and kept cutting it smaller until it was balanced. 

It only took a very small amount of weight to balance them, and now they both run very smooth.