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Need help with tensioner pulley removal on an '05 C2S

Nexus-6
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Nexus-6 Member

Nexus-6

Posted
Posted

Hi folks -

In replacing the serpentine belt on my new-to-me '05 C2S, I noted that the routing pulleys and tensioner pulley were worn and grooved. Having read about this happening to others, I purchased replacements for all 3 and sure enough, the new ones are 100% flat across the shoulder, no grooves.

The two passive, routing pulleys were easy breezy to swap out, but I'm having a heck of a time with the tensioner pulley. As you know, clockwise compresses the spring for belt removal. Counter-clockwise swings the roller up towards the water pump pulley (and, sadly, in my case...right into it after a slip which has resulted in the old pulley cracking in several spots. So, what began as a simple replacement has turned into a "must do" as I won't be able to refit the belt until I replace the tensioner pulley).

I'm having heck of a time getting the bolt loose on the back of the tensioner roller. I'm doing it correctly I believe (applying force counter-clockwise to both the 24mm nut on the front of the roller, as well as to the 15mm bolt on the back of the roller holding the it together).

I'm using a breaker bar on the 24mm nut, but I'm only able to sneak an open end onto the nut in back - I'm unable to get enough leverage it seems to break it loose. Looking at the new bits shows me that they have red loctite (or their equivalent) on the rear bolt.

So, short of somehow doing this wrong (I've checked the new pulley and the bolts are not reverse threaded) - does anyone have any practical tips here? If I could somehow get a cheater bar/pipe on the open end in back, it would help, but I'm putting gorrila twist on the thing and it's just not coming loose. I considered using my impact wrench (as gently as possible) to jar the front 24mm loose, but there isn't enough room to do so without swivels.

Any ideas at this point would be greatly appreciated. :)

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