DD15 Troubleshooting – Section 2.6 Seized Accessory Drive Component

Section 2.6
Seized Accessory Drive Component

Check as follows:‪

PERSONAL INJURY ‪
To avoid injury, never remove any engine component while the engine is running.‪

PERSONAL INJURY ‪
To avoid injury, use care when working around moving belts and rotating parts on the engine.‪

1. Remove the accessory drive belts.
2. Attempt to rotate the engine with the proper baring tool.
   1. If the engine rotates normally, identify and replace the seized accessory components (i.e. alternator, A/C compressor, water pump, cooling fan, etc.).
   2. If the engine does not rotate normally, check the gear driven components (i.e. turbo compound, high pressure pump, air compressor, etc.) and repair or replace as necessary.
3. Attempt to rotate the engine with the proper baring tool. If the engine does not rotate normally, refer to "2.4 Internal Engine Damage" , “Internal Engine Damage.”