Diesel Data: Automotive Repair

Drive Belt: Description and Operation

ACCESSORY DRIVE
DESCRIPTION
A single, serpentine style belt drives all of the engine accessories. The accessory drive includes an automatic tensioner, making adjustments unnecessary for the life of the belt.

OPERATION - SRT





The accessory drive belt provides the link between the engine crankshaft and the engine accessories. Tension on the accessory drive belt is maintained by an automatic belt tensioner.

1. Supercharger
2. Power Steering Pump
3. Automatic Tensioner
4. A/C Compressor
5. Crankshaft
6. Water Pump
7. Generator
8. Idler
9. Supercharger Idler