Use gauge, Part Number 3824564, and magnetic base, Part Number 3377399 to check the accessory drive gear
end play.
If the end play is out of specification:
โข If just assembled, check if the drive gear and bearing were completely pressed onto the drive shaft
โข If not previously disassembled, disassemble the accessory drive and inspect for damage. Replace as necessary
โข Replace the accessory drive assembly.
