S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel (2001)
6. Using a 3/8 inch drive breaker bar, apply clockwise force (tighten) to the drive belt tensioner pulley arm. Release the force, and immediately take a
drive belt tension reading without disturbing drive belt tensioner position.
7. Using the same breaker bar, apply a counterclockwise force to the drive belt tensioner pulley arm, and raise the drive belt tensioner pulley to
eliminate all tension. Slowly lower the drive belt tensioner pulley to the drive belt, and take a drive belt tension reading without disturbing the
drive belt tensioner position.
8. Average the three readings. If the average of the three readings is not between 133 - 222 N (30 - 50 lb) and the drive belt is within the drive belt
tensioner's operating range, replace the drive belt tensioner.