Serpentine belt jump one throat
 

Hi, like a title my serpentine belt jump on throat on harmonic balancer....
Why? What can I do to solve this problem?
https://cimg8.ibsrv.net/gimg/www.che...c0270e20d9.jpg
I put it in place several times but continues to move

Do you have a pulley that's not in line , you need to look at them all , it could be the crank pulley going bad .

thanks for reply, when I've replaced old armonic balancer I think I tightened the bolt to the end.
How can I do now?

Look at it from above.

Solved
 

problem solved! it was the pulley (armonic balancer)not full tightened.
With the right tool it was a few minutes' work.
Thank you to all

Glad to hear your problem is fixed. Thank you for providing the solution!

Yep. Thanks for the update.

eccellente