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04.02.2006: Rotor cleaning
Clean the rotor contact surface. Cotton swabs and electric contact cleaner is a good start. If the rotor surface is scored, use a fine grinding bit for your Dremel. Clean and sand the brushes too.

Climate control fan motor repair on a 1999 Saab 9-5. Blower motors tend to fail with age, but they are easy to inspect and service. More often than not, they can be brought back to life, which saves quite a bit of money (new motors are expensive). Worn brushes and dirty rotor surface are among the top causes of motor failures.

 

 
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