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· Registered
190E 2.6 , 1996 E300
101 Posts
Discussion Starter · #1 ·
Apart from having to change it, is there a specified time or a good time to do some preventative maintainence on this part.

I understand idle may fluctuate or you'll hear a knocking noise on the tensioner arms/bars. Any other evidence apart from age or mileage?

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