Thread: how do know if w124 2.5L tensioner is bad?
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Old 03-27-2014, 10:35 PM
connerm connerm is offline
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Join Date: Jul 2003
Location: Northern Virginia
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If the serp belt is riding over the edge of the tensioner pulley a little bit, the bushing in the tensioner arm may be shot. Spring, shock, bolt, bushing can all wear out.
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