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Ron Z.
Ron Z., - Pontiac Tech -
Category: Pontiac
Satisfied Customers: 18439
Experience:  18+yrs experience. State Inspector and Pontiac Diagnostics
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Grand Prix: the serpentine belt..V6..tensioner pulley

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I need to know step by step how to replace the serpentine belt on my 2006 V6 3800 stock Grand Prix. Where is the tensioner pulley and what do I need to manipulate it?

 

Removal Procedure

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  • Lift or rotate the drive belt tensioner using a 15 mm box end wrench on the pulley nut.
  • Remove the drive belt.

 

Installation Procedure

  • Lift or rotate the drive belt tensioner using a 15 mm box end wrench on the pulley nut.
  • Install the drive belt.
Ron Z. and 6 other Pontiac Specialists are ready to help you
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Customer: replied 6 years ago.
Lift or rotate the tensioner. I can't do that and install the belt with a 15mm combo wrench. Now what?

The tensioner is spring loaded, it should pivot upon itself by putting a 15mm on the pulley's center bolt. The tension is pretty tight, so you may need to have a longer wrench to add some leverage.

 

 

Removal Procedure

 

 

  • Lift or rotate the drive belt tensioner using a 15 mm box end wrench on the pulley nut.
  • Remove the drive belt.

 

Installation Procedure

  • Lift or rotate the drive belt tensioner using a 15 mm box end wrench on the pulley nut.
  • Install the drive belt.

The tensioner is spring loaded, it should pivot upon itself by putting a 15mm on the pulley's center bolt. The tension is pretty tight, so you may need to have a longer wrench to add some leverage.