Removal Procedure
- If not equipped with the ML6 transmission, remove the transmission. Refer to 
Transmission Replacement
 for the Medium Duty transmission.
 
- If equipped with a ML6 transmission, perform the following.
 
| 2.3.  | Remove the clutch housing bolts and the clutch housing from the flywheel housing adapter. | 
 
- Remove the release bearing.
 
Installation Procedure
- Apply lubricant GM P/N 12378484 or equivalent to the release bearing .
 
- Install the release bearing.
 
- If not equipped with a ML6, install the transmission. Refer to 
Transmission Replacement
 for the Medium Duty transmission.
 
Notice: Refer to Fastener Notice in the Preface section.
- If equipped with a ML6 transmission, perform the following:
 
| 4.1.  | Install the clutch housing to the flywheel housing adapter with the clutch housing bolts. | 
 
Tighten
Tighten the clutch housing bolts to 50 N·m (37 lb ft).