GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Rear Drive Module Assembly (RDM)


Object Number: 2040333  Size: MF
(1)Protective Cap
(2)Nut
(3)Flange
(4)Drive Gear Oil Seal
(5)Bolt
(6)Drive Gear Bearing Cover
(7)Adjust Shim
(9)Pinion Gear
(10)Support Bushing
(11)Fluid Drain Plug
(12)Pin
(13)Adjust Shim
(14)Oil Seal
(15)Bearing Assembly
(16)Driven Gear
(17)Differential Assembly (w/o Driven Gear)
(18)Bolt
(19)O-ring
(20)Breather Plug Assembly
(21)Differential Cover
(22)Bolt
(23)Fluid Fill Plug
(24)Axle Oil Seal
(25)Drive Gear Front Bearing
(26)O-ring
(27)Spacers
(28)Drive Gear Rear Bearing - Rear
(100)Differential Assembly (w/Driven Gear)
Figure 2:

Differential Assembly


Object Number: 2040334  Size: MF
(101)Bearing
(101)Bearing
(102)Bolt
(104)Differential Case
(105)Ring Gear
(106)A1, A2 Values Engraved Location