Sprinter 3500 L5-2.7L DSL Turbo (2004)
pump rotating in wrong direction.
1. Position drive belt over all pulleys except water pump pulley.
2. Attach a 3/8 inch ratchet to tensioner.
3. Rotate ratchet and belt tensioner counterclockwise. Place belt over water pump pulley. Let tensioner rotate back into place. Remove ratchet. Be
sure belt is properly seated on all pulleys.
4. Install A/C compressor drive belt.