Thread: How do I figure out this M104 belt tensioner???!!!
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Old 10-03-2001, 01:59 PM
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Mike Murrell Mike Murrell is offline
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Is your belt tensioner secured with an allen head or a 19mm socket? On a 103, after you loosen the 19mm holding the belt tensioner snug, you loosen a tensioning rod on top of the tensioner with a 13mm socket. The 103 motors use a special 8mm Stahlwille and ft. long metal rod bent slightly at one end for fan removal. Somehow, you got through this.

If you'd like, I can email you the 103 belt replacement process off the MB CD-Rom. Like Chuck, I don't think this process differs much between the 103/104.
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"
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