Adjusting belt tension, poly-V belt alternator

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Adjusting Drive Belt Tension By Tightening Lock Bolt

Courtesy of VOLVO CARS OF NORTH AMERICA.

Apply a force of 22.5 lbf .

Adjustment value:
- new poly-V belt, value 0.28-0.31 in .
- used poly-V belt, value 0.33-0.39 in .
Tighten lock bolt (A).
Torque setting: 17 ft lb
Check and re-adjust if necessary.