Internal Case Components

Install low-reverse clutch piston assembly into case, making sure to index piston lug into slot in case and that piston is fully seated. Install piston return spring and retainer, then compress retainer and install retaining ring.
Install output ring gear rear thrust bearing into case. Assemble output ring gear on output shaft, then install reaction carrier-to-output ring gear bearing into ring gear support with tanged race (Black side) up. Position output shaft assembly in case and install reaction carrier assembly into ring gear and shaft assembly.

Lubricate and install low-reverse clutch, steel and lined, clutch plates, starting with a steel plate and alternating with lined plates. Make sure steel plates are installed with notch toward bottom of case. Install low reverse clutch support retainer spring (anti-clunk spring) into case as shown in Fig 1 . Install low-reverse clutch support assembly.

NOTE: Make certain splines on inner race of roller clutch align with splines of reaction carrier.

Fig 1: Installing Low-Reverse Clutch Support Retainer (Anti-Clunk) Spring

Courtesy of GENERAL MOTORS CORP.

LOW-REVERSE CLUTCH PLATE USAGE CHART

Application

Steel Plates

Lined Plates

All models

4 ⁽¹⁾

⁽¹⁾	Clutch piston thickness is 3.146" (80 mm).

Install low-reverse clutch support-to-case snap ring with anti-clunk spring between gap. Install sun gear thrust washer onto roller clutch race. Install sun gear driving shell assembly.
Install output carrier assembly. Install input ring gear rear thrust washer. Install input ring gear-to-output shaft snap ring, then install input ring gear and front thrust washer.
NOTE: DO NOT overstress input ring gear-to-output shaft snap ring, damage may result.
Install needle bearing to forward clutch assembly. Assemble direct clutch assembly to forward clutch assembly, then install clutch assemblies into case. Make sure tangs on direct clutch drum are installed into slots in sun gear driving shell.
Position cushion spring into intermediate servo bore in case and retain in place with petroleum jelly. Make sure washer is in place on intermediate servo rod and install servo assembly into case.
Install intermediate band into case and make sure band ends are properly located on adjusting screw and servo rod ends. Turn adjusting screw into case until end of screw is against band lug. Align slotted band end on notched end of servo rod.