LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Courtesy of GENERAL MOTORS CORP.

1. Remove the low and reverse roller clutch race (675) from the low and reverse clutch support (679). Inspect the race for damage and surface finish.

2. Remove the two low and reverse roller retainer rings (677) and the low and reverse roller clutch assembly (678). Inspect the roller clutch assembly for damaged rollers and broken springs.

3. Inspect the low and reverse clutch support (679) for loose cam and cam surface finish. Check the support for cracks and damaged lugs.

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Fig. 280: Identifying Low And Reverse Roller Clutch Assembly Courtesy of GENERAL MOTORS CORP.

4. Clean and install the low and reverse roller clutch assembly (678) into the low and reverse clutch support (679). Install the low and reverse retainer ring (677).

LOW AND REVERSE CLUTCH SUPPORT INSTALLATION

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Fig. 281: Checking Low And Reverse Roller Clutch Race Rotation Courtesy of GENERAL MOTORS CORP.

1. Install the low and reverse roller clutch race (675). Simultaneously, turn and insert the race.

2. Rotate the race in order to verify proper operation. The race should only rotate in one direction.

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Fig. 282: View Of Low And Reverse Clutch Support Retainer Spring Courtesy of GENERAL MOTORS CORP.

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Fig. 283: Aligning Wide Case Lug With Wide Low And Reverse Clutch Support Notch

Courtesy of GENERAL MOTORS CORP.

wide case lug.

4. Install the low and reverse clutch support (679), roller clutch and roller clutch race (675) assembly into the case. Position the hub side down during the installation.

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

Fig. 284: Removing Low And Reverse Support Retainer Ring Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Align the opening of the low and reverse clutch support

retainer ring (676) with the low and reverse clutch support retainer spring (680). It is important that the low and reverse clutch support retainer ring opening is centered around the

retainer spring. This will allow the retainer ring to fully seat in all of the transmission case lugs. If the retainer ring lays up against the retainer spring, the retainer ring will not fully seat. Possible damage to the transmission case lugs can occur if the low and reverse clutch support retainer ring is not fully seated in the transmission case lug.

5. Install the low and reverse support retainer ring (676) into the case.

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