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pump serpentine belt squeaking and now torn

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#1 Tim-Dieselx


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Posted 10 November 2018 - 02:43 PM

HI,  noticed my aux belt was making a noise while i was replacing the turbo, the idler pulley ( number 4 ) was were i saw most of the belt movement.  would this idler cause the belt to tear 1 rib off and slip over under over revving speeds ( to test turbo)?


i allready have a spare belt but i  think it would be better to replace the idler as well,   suggestions if i need to replace any thing else?


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#2 discv


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Posted 11 November 2018 - 03:13 PM

The best course is to replace all 3, the belt, tensioner and idler pulley.

Which items you skip is your option!  :mellow:

C4 Grand Picasso 1.6 HDi 16V FAP/DPFS 110, -Auto (DV6 - 80kW) (C4) (DT) (2008)