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2000 Pontiac Sunfire Serpentine Belt Tensioner Question

Tiny
MIKOSH6
  • MEMBER
  • 2000 PONTIAC SUNFIRE
Engine Mechanical problem
2000 Pontiac Sunfire 4 cyl Front Wheel Drive Automatic

Can just the belt tensioner wheel on my 2000 Sunfire with 2.4L engine be replaced or does the whole tensioner assembly have to be replaced? I suspect the tensioner wheel bearing is running dry on lubricant.
Thanks,
Mike
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Wednesday, June 16th, 2010 AT 6:09 AM

5 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Yes you can replace just the tensioner pulley
its about $10 to $22
this is a picture of the two


https://www.2carpros.com/forum/automotive_pictures/99387_getimage_4.jpg



https://www.2carpros.com/forum/automotive_pictures/99387_getimage1_1.jpg

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Wednesday, June 16th, 2010 AT 6:54 AM
Tiny
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Thanks for the fast reply BMRFIXIT. My GM workshop manual only shows replacing the whole assembly. If I can ask one more question; do I just put on a socket and torque the pulley bolt counterclockwise or do I need to block the whole tensioner assembly to stop it rotating counterclockwise as well?
Thanks,
Mike
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Wednesday, June 16th, 2010 AT 7:32 AM
Tiny
BMRFIXIT
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No need to block it if you do not have the means to do it
use a socket and it should loosen up
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Wednesday, June 16th, 2010 AT 11:37 AM
Tiny
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I've purchased a new pulley; would you happen to know the correct torque value?

Thanks,
Mike
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Monday, June 21st, 2010 AT 10:08 PM
Tiny
BMRFIXIT
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Install new pulley and hand tighten
install belt and then check the torque it should be between 30 to 50 ft lb
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Tuesday, June 22nd, 2010 AT 6:07 AM

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