Drive Pinion Disassemble

Tools Required

• J 42162  Side Gear Compressor. See Special Tools and Equipment .
• J 42164  Pinion Gear Holder. See Special Tools and Equipment .
• J 42166  Front Pinion Bearing Remover. See Special Tools and Equipment .
• J 42172  Bearing Race Installer/Spanner Wrench. See Special Tools and Equipment .

Fig 1: Removing/Installing Pinion Nut Using J 42172
Courtesy of GENERAL MOTORS CORP.
1. Remove the pinion nut using the J 42172  and the J 42164  . See Special Tools and Equipment .
Fig 2: Housing/Cage Pinion Shaft & Bearing
Courtesy of GENERAL MOTORS CORP.
2. Position the pinion housing/cage into a press.
3. Use the J 42162  and a hydraulic press in order to remove the pinion shaft and bearing from the housing/cage. See Special Tools and Equipment .
Fig 3: Nut, Bearing, Spacer & Pinion Shaft & Housing/Cage
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The spacer is specific for the bearing set and must be used in order to achieve the proper bearing preload. The pinion bearings, spacer and housing/cage must be replaced as a set.
4. Remove the nut (1), bearing (2), spacer (3), and pinion shaft (5) from the housing/cage (4).
Fig 4: Pinion Shaft, Bearing, J 42162 & J 42166
Courtesy of GENERAL MOTORS CORP.
5. Install the J 42166  onto the pinion shaft and bearing. See Special Tools and Equipment .
6. Use the J 42162  , J 42166  , and a hydraulic press in order to remove the bearing from the shaft. See Special Tools and Equipment .