S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
Idler Pulley: Service and Repair
Replacing the idler pulley for the auxiliary drive belt/belt tensioner
Removing the drive belt
Use a 15 mm socket wrench on the belt tensioner and slacken off the belt.
Remove the belt.
Replacing the belt tensioner idler pulley
