No First, Second, Third, Fourth, Fifth, Sixth, or Reverse Gear

Automatic Transmission - 10L80 MHS MQC | Diagnostic Information and Procedures | Document ID: 4578443 No First, Second, Third, Fourth, Fifth, Sixth, or Reverse Gear

Checks	Causes
1-2-3-4-5-6-Reverse Clutch Assembly	Inspect for damaged or worn 1-2-3-4-5-6-Reverse clutch plates (32, 34). Inspect for damaged 1-2-3-4-5-6-Reverse clutch piston (411), clutch piston return spring-pack (412), and return spring-separator (33). Inspect for cut, worn or damaged 1-2-3-4-5-6-Reverse clutch piston seals (409, 410) Inspect for damaged 1-2-3-4-5-6-Reverse clutch piston retaining ring (413). Inspect for damaged or improper selective 1-2-3-4-5-6- Reverse clutch apply plate-selective (30). Inspect for damaged or improper selective 1-2-3-4-5-6- Reverse clutch wave plate (31). Inspect for damaged 1-2-3-4-5-6-Reverse clutch backing plate (35). Inspect for worn splines on backing plate. Check the one way clutch for not holding (421).

Checks

Causes

1-2-3-4-5-6-Reverse Clutch Assembly

Inspect for damaged or worn 1-2-3-4-5-6-Reverse clutch plates (32, 34). Inspect for damaged 1-2-3-4-5-6-Reverse clutch piston (411), clutch piston return spring-pack (412), and return spring-separator (33). Inspect for cut, worn or damaged 1-2-3-4-5-6-Reverse clutch piston seals (409, 410) Inspect for damaged 1-2-3-4-5-6-Reverse clutch piston retaining ring (413). Inspect for damaged or improper selective 1-2-3-4-5-6- Reverse clutch apply plate-selective (30). Inspect for damaged or improper selective 1-2-3-4-5-6- Reverse clutch wave plate (31). Inspect for damaged 1-2-3-4-5-6-Reverse clutch backing plate (35). Inspect for worn splines on backing plate. Check the one way clutch for not holding (421).