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Old 03-06-2003, 09:42 AM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
If it's the same as on the 190E, you must first loosen the securing bolt on the idler arm pivot, then adjust the tensioner nut, then retighten the securing bolt. Also, if the tensioner has never been replaced, the rubber could shear (or has already) - leaving the car undrivable - and require replacing the whole assembly.

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