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29.09.2004: Tensioner
Once the tensioner is off, soak the pulley bolt with a good solvent before taking on it. The 6 mm Allen key socket on the bolt is very shallow and easy to strip.

Serpentine belt and pulley replacement on a Saab 9-5.

Tools and supplies:

  • serpentine belt: short (Saab #5590344, NAPA #25060950) or standard (Saab #4899548);
  • pulleys: small idle pulley (#4356127) and tensioner pulley (#5172184);
  • jack stands;
  • 18 mm socket: engine mount central nut;
  • 16 mm socket: engine mount side bolts;
  • 13 mm socket: idle pulley bolt;
  • 10 mm socket: power steering hose clamp;
  • 8 mm socket: belt shield screws;
  • 8 mm Allen key: belt tensioner bolt;
  • 6 mm Allen key: belt tensioner pulley bolt;
  • 3 mm long Allen key: belt tensioner lock;
  • 1/2" socket extension: for use as a tension release lever;
  • torque wrench.

 

 
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