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Discussion Starter · #1 ·
My a/c belt continually keeps falling off while the engine is running, it's a brand new belt, and a brand new harmonic balancer. i'm tighting the idler pully, but it keeps coming off and it doesn't matter if the a/c is running or not, could the idler pully be bad? i tighten it so that their is about 1/8 give way in the belt. but it feels as if the pully can't get any tighter.
To put on a new muffler do you have to do the whole pipping system or can you just change the muffler itself?

'97 nissan pathfinder 3.3L V6 is the type of nissan that i have.

any help would be appreciated

thank you
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