Section 101 (Automatic Transmission - 8L90 (M5U) - Description And Operation)
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.
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Control Valve Solenoid Body Identification Information
- Transmission General Description
- Transmission Component and System Description
- Manual Mode Description and Operation
- Tow/Haul Mode Description and Operation
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Park - Engine Running
- Reverse
- Neutral - Engine Running
- Drive Range, First Gear
- Drive Range, Second Gear
- Drive Range, Third Gear
- Drive Range, Fourth Gear
- Drive Range, Fifth Gear
- Drive Range, Sixth Gear
- Drive Range, Seventh Gear
- Drive Range, Eighth Gear
- Fluid Passages
- Stator Shaft Support - Front Cover Side
- Stator Shaft Support - Case Assembly Side
- Case Assembly - Stator Shaft Support Side
- Case Assembly - Case Extension Side
- Case Extension Seal - Case Assembly Side
- Case Extension - Case Assembly Side
- Control Valve Upper Body Assembly - Fluid Pump Side
- Case Assembly - Control Valve Upper Body Assembly Side
- Control Valve Upper Body Assembly - Case Assembly Side
- Control Valve Upper Body Assembly - Control Valve Solenoid Body Side
- Control Valve Body Spacer Plate Assembly - Control Valve Upper Body Side
- Control Valve Solenoid Body - Control Valve Upper Body Side
- Control Valve Solenoid Body - Control Valve Channel Plate Side
- Control Valve Channel Plate Spacer Plate Assembly - Control Valve Solenoid Body Side
- Control Valve Channel Plate - Control Valve Solenoid Body Side
- Control Valve Channel Plate - Fluid Pan Side