Pinpoint Test G215852P8

PINPOINT TEST G215852p8 : GENERATOR NOISY

G215852t74 : CHECK THE GENERATOR FOR SECURITY
1. Inspect the generator fixings.

- Is the generator secure?

-> YES
GO to Pinpoint Test G215852t75.

-> NO
SECURE the generator. TEST the system for normal operation.

G215852t75 : CHECK THE ACCESSORY DRIVE BELT
1. Remove and inspect the accessory drive belt.

- Is the accessory drive belt in good condition?

-> YES
GO to Pinpoint Test G215852t76.

-> NO
INSTALL a new accessory drive belt. TEST the system for normal operation.

G215852t76 : CHECK THE ACCESSORY DRIVE BELT TENSIONER
1. Remove and inspect the accessory drive belt tensioner.

- Is the accessory drive belt tensioner in good condition?

-> YES
GO to Pinpoint Test G215852t77.

-> NO
INSTALL a new accessory drive belt tensioner. TEST the system for normal operation.

G215852t77 : CHECK THE GENERATOR FOR MECHANICAL NOISE
1. Rotate the generator pulley by hand.

- Does the generator rotor shaft rotate smoothly and quietly?

-> YES
GO to Pinpoint Test G215852t79.

-> NO
INSTALL a new generator. TEST the system for normal operation.

G215852t79 : CHECK THE ACCESSORY DRIVE BELT IDLER PULLEYS
1. Rotate the accessory drive belt idler pulleys by hand.

- Do the accessory drive belt idler pulleys rotate smoothly and quietly?

-> YES
GO to Pinpoint Test G215852t80.

-> NO
INSTALL new accessory drive belt pulleys as necessary. TEST the system for normal operation.

G215852t80 : CHECK THE GENERATOR FOR ELECTRICAL NOISE
1. Install the accessory drive belt.
2. Start and run the engine at 1500 rpm. Apply a high electrical load to the battery.

- Is the noise only heard with the high electrical load applied?

-> YES
GO to Pinpoint Test G215852t81.

-> NO
CHECK the air conditioning compressor.
CHECK the power steering pump.
TEST the system for normal operation.

G215852t81 : ELIMINATE THE GENERATOR AS THE CAUSE OF ELECTRICAL NOISE
1. Remove fuse 15 from the primary junction fuse box.
2. Start and run the engine at 1500 rpm.

- Is the noise still present?

-> YES
CHECK the air conditioning compressor.
CHECK the power steering pump.
TEST the system for normal operation.

-> NO
INSTALL a new generator. TEST the system for normal operation.