SOLENOID VALVE (3-POSITION/SINGLE SOLENOID)
91B, Light Wheel Vehicle Mechanic (2)
Tools and Special Tools
Engine Shut Down
Inspect all solenoid valve(s) for mounting security, leaks, damaged wiring or wiring connectors or for any damage
END OF TASK
Forward and Reverse Solenoids
Removal of the center deck plate is required to access the solenoid valves (WP 0028).
All seven solenoid coils (Figure 1) are ohms tested using the same procedure.
Always tag the solenoid wiring connectors before removal to aid in reinstallation.
Remove all solenoid wiring connectors (Figure 2, Item 1).
Ohms test across solenoid connector pins (Figure 1, Item 2).
Resistance measured for all solenoids should be 5 ohms nominally.
Replace any solenoid coil, which fails the ohms test.
4 Wheel Drive Solenoid (Figure 5)
1. Remove 4-wheel drive solenoid wiring connector (same as) (Figure 2, Item 1).
2. Ohms test across solenoid connector pins (Figure 5, Item 6).
3. Resistance measured at the solenoid should be 7.5 ohms nominally..
4. Replace solenoid coil if ohms test fails.
END OF TASK
Reverse Solenoid Voltage Tests
A transmission solenoid voltage test reading between 0 and 9 volts is not acceptable.