Section 36 (Automatic Transmission - 8L90 (M5U) - Repair Instructions - Off Vehicle)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Repair Instructions - Off Vehicle
- Torque Converter Removal and Holding Fixture Installation
- Transmission Fluid Pan and Filter Assembly Removal
- Control Valve Assembly and Transmission Wiring Harness Removal
- Transmission Case Front Cover and Drive Link Removal
- Stator Shaft Support Removal
- 1-3-5-6-7 Clutch Assembly Removal
- 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assembly Removal
- Direct Overdrive Internal Gear, Direct Overdrive Carrier, Input Internal Gear, and Input Carrier Assembly Removal
- 1-2-7-8 Reverse Clutch Piston Removal
- 1-2-7-8 Reverse Clutch Plate Assembly and Input Sun Gear Assembly Removal
- Reaction Internal Gear and 1-2-3-4-5 Reverse Hub and 1-2-3-4-5 Reverse Clutch Plate Assembly Removal
- Reaction Carrier Assembly, Output Carrier, and Output Shaft Removal
- Case Extension Assembly Removal
- Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Removal
- Manual Shift Shaft Seal Removal
- Transmission Case Cleaning and Inspection
- Manual Shift Shaft Seal Installation
- Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Installation
- Case Extension Disassemble
- Propeller Shaft Transmission Flange Fluid Seal Removal
- Propeller Shaft Transmission Flange Fluid Seal Installation
- Case Extension Assemble
- Case Extension Assembly Installation
- Reaction Carrier Overhaul
- Reaction Carrier Assembly, Output Carrier, and Output Shaft Installation
- Reaction Internal Gear and 1-2-3-4-5 Reverse Hub Overhaul
- Reaction Internal Gear and 1-2-3-4-5 Reverse Hub and 1-2-3-4-5 Reverse Clutch Plate Assembly Installation
- 1-2-3-4-5 Reverse Clutch Backing Plate Retaining Ring Measurement
- Input Sun Gear Overhaul
- 1-2-7-8 Reverse Clutch Plate Assembly and Input Sun Gear Assembly Installation
- 1-2-7-8 Reverse Clutch Piston Installation
- Direct Overdrive Internal Gear Overhaul
- Input Internal Gear Overhaul
- Input Carrier Overhaul
- Input Carrier Assembly Installation
- 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Disassemble
- 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assemble
- 2-3-4-6-8 Clutch Backing Plate Retaining Ring Measurement
- 4-5-6-7-8 Reverse Clutch Backing Plate Retaining Ring Measurement
- Direct Overdrive Carrier, Input Internal Gear, and 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assemble
- 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assembly Installation
- 1-3-5-6-7 Clutch Disassemble
- 1-3-5-6-7 Clutch Assemble
- 1-3-5-6-7 Clutch Backing Plate Retaining Ring Measurement
- 1-3-5-6-7 Clutch Assembly Installation
- Stator Shaft Support Disassemble
- Stator Shaft Support Assemble
- Stator Shaft Support Installation
- Transmission End Play Check
- Torque Converter Fluid Seal Removal
- Torque Converter Fluid Seal Installation
- Transmission Case Front Cover and Drive Link Installation
- Control Valve Body Assembly Disassemble
- Control Valve Lower Body Assembly Cleaning and Inspection
- Control Valve Upper Body Assembly Cleaning and Inspection
- Control Valve Body Assembly
- Control Valve Assembly and Transmission Wiring Harness Installation
- Transmission Fluid Pan and Filter Assembly Installation
- Torque Converter Installation and Holding Fixture Removal