serp belt tensioner

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serp belt tensioner

05-12-2000, 01:11 PM

ahannay

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My '87 190D has a/c problems: compressor quits after about a minute of operation. Question is, how do I tell if my tensioner has failed to keep the serp belt tight? I suspect mine is the cause of comp/ cut out because PO had a used tensioner installed (blue and yellow paint dabs on it). What are the signs/tolerances indicating weak tensioner? Thanks!

Chip Hannay
'87 190D (155k)
'84 300D (210k)
Dripping Springs, TX

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