The likely case is your serpentine belt is loose, maladjusted or worn out. However given your recent service with timing belt hopefully they installed a new serpentine also. Take it back to where your timing belt was worked on. It is likely related.
The likely case is your serpentine belt is loose, maladjusted or worn out. However given your recent service with timing belt hopefully they installed a new serpentine also. Take it back to where your timing belt was worked on. It is likely related.