F150online Forums - serpentine belt misalignment 1999 F-150 5.4

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deezelman

12-07-2005 06:03 PM

serpentine belt misalignment 1999 F-150 5.4

What's happening?

Has anyone noticed that the belt that spans from the tensioner to the crankshaft pulley is running on an angle, causing the belt to favor the back of the crankshaft pulley?
I don't know what could be causing this...nothing was changed. Replaced belt and tensioner..no luck.
Any help, please! :confused:

Colorado Osprey

12-08-2005 06:40 PM

Did you replace the tensioner arm, the complete assembly or just the pulley? The pulley bearings go bad and can cause mis-allignment of the belt. If the assembly was replaced there is a peg that needs to be aligned when it is bolted on that can cause mis-alignment as well.

Mike7333

12-10-2005 09:26 PM

it's a bad belt tensioner the serpentine belt shoud neer be at an angle

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