Differential Carrier
This document has been updated by TSB# 09-27-001.
DISASSEMBLY
DISASSEMBLY SERVICE POINTS
[[A]] INSPECTION BEFORE DISASSEMBLY
Except for the following standard values, inspection procedure is the same as inspection before disassembly.
DRIVE GEAR BACKLASH
Standard value: 0.13 - 0.18 mm (0.005 - 0.007 in)
DIFFERENTIAL GEAR BACKLASH
Standard value: 0.01 - 0.25 mm (0.0004 - 0.0098 inch)
[[B]] SIDE BEARING NUT REMOVAL
Use special tools MB991367 and MB991385, remove the side bearing nut.
NOTE: Keep the right and left side bearings and side bearing nuts separate, so that they do not become mixed at the time of assembly.
[[C]] DIFFERENTIAL CASE ASSEMBLY REMOVAL
CAUTION: When taking out the differential case assembly, be careful not to drop and damage the differential side shims or the side bearing outer races.
Use the wooden handle of a hammer to remove the differential case assembly, differential side shims and side bearings.
NOTE: Keep the right and left side bearings and side bearing outer race separated, so that they do not become mixed at the time of assembly.
[[D]] SIDE BEARING INNER RACE REMOVAL
Use special tools MB99081 0, MB99081 1 [6G72] and MB991407 [6G74] to pull out the side bearing inner race.
NOTE: Attach the prongs of special tools MB990810, MB990811 [6G72] and MB991407 [6G74] to the inner race of the side bearing through the openings in the differential case.
[[E]] DRIVE GEAR REMOVAL
1. Make mating marks to the differential case and the drive gear.
2. Loosen the drive gear attaching bolts in diagonal sequence to remove the drive gear.
[[F]] LOCK PIN REMOVAL
Drive out the lock pin with a punch.
[[G]] SELF-LOCKING NUT REMOVAL
Use special tool MB990850 to hold the companion flange, and then remove the companion flange self-locking nut.
[[H]] DRIVE PINION ASSEMBLY/COMPANION FLANGE REMOVAL
CAUTION: Do not make mating marks on the contact surfaces of the companion flange and propeller shaft.
1. Make mating marks to the drive pinion and companion flange.
2. Use special tool MB990810 to pull out the companion flange.
[[I]] DRIVE PINION REAR BEARING INNER RACE REMOVAL
Use special tools MB990339, MB990648 [6G72] and MD998801 [6G74] to pull out the front bearing inner race.
[[J]] OIL SEAL/DRIVE PINION FRONT BEARING INNER RACE/DRIVE PINION FRONT BEARING OUTER RACE REMOVAL
Use special tool MB990939 to remove the drive pinion front bearing outer race.
[[K]] DRIVE PINION REAR BEARING OUTER RACE REMOVAL
Use special tool MB990939 to remove the drive pinion rear bearing outer race.