Automatic Transmission Valve Body Components

Items
1. B13 Transmission Fluid Temperature Sensor
2. Q77H Transmission Control Solenoid Valve 8 Q77H Transmission Control Solenoid Valve 8 (M5N/M5X)
3. Q77F Transmission Control Solenoid Valve 6 Q77F Transmission Control Solenoid Valve 6 (M5N/M5X)Q77F Transmission Control Solenoid Valve 6 (MRD)
4. B280 Automatic Transmission Accumulator Solenoid Valve B280 Automatic Transmission Accumulator Solenoid Valve (KL9)
5. Q77J Transmission Control Solenoid Valve 9 Q77J Transmission Control Solenoid Valve 9 (M5N/M5X)
6. Q77B Transmission Control Solenoid Valve 2 Q77B Transmission Control Solenoid Valve 2 (M5N/M5X)Q77B Transmission Control Solenoid Valve 2 (MRD)
7. Q77A Transmission Control Solenoid Valve 1 Q77A Transmission Control Solenoid Valve 1 (M5N/M5X)Q77A Transmission Control Solenoid Valve 1 (MRD)
8. Q77E Transmission Control Solenoid Valve 5 Q77E Transmission Control Solenoid Valve 5 (M5N/M5X)Q77E Transmission Control Solenoid Valve 5 (MRD)
9. Q77C Transmission Control Solenoid Valve 3
10. Q77D Transmission Control Solenoid Valve 4 Q77D Transmission Control Solenoid Valve 4 (M5N/M5X)Q77D Transmission Control Solenoid Valve 4 (MRD)
11. Q77G Transmission Control Solenoid Valve 7 Q77G Transmission Control Solenoid Valve 7 (M5N/M5X)

Fig 1: Automatic Transmission Valve Body Components

Courtesy of GENERAL MOTORS COMPANY