[MBZ] Serpentine Belt Tensioner Components

[M.Afzaal Khan]

Thanks     for the useful info, well prepared in advance for the 
replacements.
Regards
mak


> The original tensioner arms and idlers used on '84-'85 OM60x engines
> seldom lasted more than 50-75kmi. The later ones seemed good for
> 75-150kmi. By the '90s they may still be better (the aftermarket ones
> MAY not be - I haven't had any of them in long enough to know). Factory
> shocks seem to last 75+kmi while aftermarket ones seem more likely to
> fail by 50kmi. The belts on my cars seem to go for 75kmi as long as the
> arm and idler are in good working order (a bad arm, idler, shock or any
> belt driven accessory will cause a belt to fail prematurely).
>
> YMMV as climatic and environmental factors DO play a role in life of
> these parts.
>
> Marshall
> -- 
>   Marshall Booth (who doesn't respond to unsigned questions)
>       "der Dieseling Doktor" mbooth at pitt.edu
> '87 300TD 182Kmi, '85 190D 2.0 161Kmi, '87 190D 2.5 turbo 237kmi, '84
> 190D 2.2 229Kmi (retired)
>
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