idler rollers on 156 2.5 v6 engine - Alfa Romeo Forum
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Help idler rollers on 156 2.5 v6 engine

Hi All

Im going to get my cambelt and tensioner changed but do you really have to change the two idlers.Is it necessary caus Im getting conflicting stories , some say its best to change them , some say you dont need to change them. Im confused.

My car is 156 2.5 v6 on a 2001 plate with 100000 miles on.
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I'd change the lot for peace of mind - is it worth taking a chance? - also has the waterpump been changed to a metal impellor one in the past?
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Definitely given the effort to time up the cams, it's not just a case of swapping the new ones over, you'll have to pull all of the cam pullies off, reset the belt tension etc. Best do it all only once. They're not that expensive either.
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Change the idlers. The bearings in them don't enjoy tight new timing belts...
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156 , engine , idler , rollers

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