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Old 11-01-2001, 07:32 PM
supermech2001 supermech2001 is offline
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Join Date: Oct 2000
Location: oakland ca usa
Posts: 126
Originally posted by sixto

It sounds like your belt is loose as I think you suspect. Do a search on serpentine belt tensioners for the M103 and M104 for the info you need. Check to see that the tensioner is set properly. If the indicator points to the proper mark and the belt feels loose, then the tensioner has failed or will soon fail. There is no end of information on this site on how to replace the tensioner.

91 300SE
81 300SD
Thanks for the responce...very much appreciated. The MBZ shop may have missed that one. They said that the belt is very tight and it is new. I will double check the tensioner.
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