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S80 Drive belt: Need to release tension

  #1  
Old 01-02-2009, 07:44 AM
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Default S80 Drive belt: Need to release tension

HI:
I want to replace a failed PS pump on this vehicle. No one seems to have laid out the exact procedure for loosining the drive belt. It could be beyond my ability, but maybe not.
Thanks,
Mike
 
  #2  
Old 01-02-2009, 08:07 AM
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Default RE: S80 Drive belt: Need to release tension

Does the serp. belt tensioner pulley have a cover on it hiding the nut?
 
  #3  
Old 01-02-2009, 08:33 AM
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Default RE: S80 Drive belt: Need to release tension

The pully surface is exposed with a nut protruding. It appears to be about a 14mm.
 
  #4  
Old 01-02-2009, 08:48 AM
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Default RE: S80 Drive belt: Need to release tension

You can use a long wrench on there to release the tension on the belt.
 
  #5  
Old 01-02-2009, 08:49 AM
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Default RE: S80 Drive belt: Need to release tension

...there is no cover on the pulley.
 
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Old 01-02-2009, 08:51 AM
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Default RE: S80 Drive belt: Need to release tension

I guess I knew that, but here is my concern.
If i put a socket on the bolt and pull to the front or push to the rear-what happens?
Does just turning the nut release the pully tension and that's it and just reverse it to retighten?
 
  #7  
Old 01-02-2009, 08:52 AM
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Default RE: S80 Drive belt: Need to release tension

Use the head of the bolt to turn the tensioner and release the tension.
 
  #8  
Old 01-02-2009, 09:00 AM
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Default RE: S80 Drive belt: Need to release tension

Left or right, and then what happens? Does it justmove out as if on a worm gear?
mike
 
  #9  
Old 01-02-2009, 09:15 AM
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Default RE: S80 Drive belt: Need to release tension

You pull it towards the front of the car. The tensioner swivels and takes tension off the belt. You pull it towards the front of the car then slide the belt off. Then release the tension till you go back on.
 
  #10  
Old 01-02-2009, 09:17 AM
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Default RE: S80 Drive belt: Need to release tension

Thank you very much. I will give that a try.
Mike
 
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