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Lovin' My Bimmer
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124 Posts
Discussion Starter · #1 ·
I'm looking for quick clarification. I'm looking at replacing the Idler pulley and accessory belt tensioner. How do these come off? I know I need to turn clockwise to release pressure to replace the belts, so do I continue rotating clockwise to remove, and is the removal the same for both the tensioner and pulley? I did search, but can only find the method for replacing belts.

I get light squeaking, so i am assuming these two parts are the culprits.
 

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Premium Member
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14,837 Posts

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Lovin' My Bimmer
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124 Posts
Discussion Starter · #4 ·
yeah i was thinking the same thing, that center bolt, but didn't want to break it off trying.
 

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99 328i - 95 318ic
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98 Posts
i have a 99 328i. how do you know if your belt tensioner is hydraulic or mechanical? i had a squeaking problem and i think its the tensioner. its the one to the left of the alternator and second from the top.
 
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