There are 2 pulleys - one for the wide serpentine belt (that drives the
alternator and power steering pump) and another one for the smaller belt
(that drives just the A/C compressor).
I replaced the pulley for the wide belt on my '00 300m a few months
ago. It's easy to do. Yes, you just unscrew the bolt in the middle of
If you changed that belt already - how did you do it without messing
with these pulleys?
i didnt mess up the pulley went on easily but now the battery light and check
engine light is on, seems to have a electrical problem, are the belts not
tensioned properly ,and how do i fix it if thats the problem. any ideas people!
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.