Shift Solenoid: Service and Repair

Shift Solenoid and Lock-Up Solenoid
Removal

Preparation:
^ Disconnect negative (-) battery cable.
^ Drain the fluid.

1. Remove oil lever gage and oil filler tube.
2. Support transfer case (4x4) or rear cover (4x2) with a transmission jack.





3. Remove engine rear mounting nuts.
4. Remove fuel pipe heat protector on transmission crossmember.
5. Remove fuel pipe from the crossmember.
6. Remove transmission crossmember.
7. Remove the nineteen bolts.








8. Remove oil pan, using seal cutter J-37228.

NOTE: Do not turn over the transmission as this will contaminate the valve body with foreign materials in the bottom of the oil pan.

Remove oil pan by lifting the transmission case.
Oil pan seal cutter: J-37228
Examine particles in oil pan

Remove the magnet and use it to collect any steel chips.

Look carefully at the chips and particles in the oil pan and on the magnet to anticipate what type of wear you will find in the transmission:

Steel (magnetic) bearing, gear and clutch plate wear
Brass (non-magnetic) bushing wear





9. Remove the oil strainer assembly.








10. Disconnect the solenoid wiring connectors from the shift solenoid S1 (1), S2 (2), lock-up solenoid (3) and pressure control solenoid (4).
11. Remove each retaining bolts and solenoids. (Except pressure control solenoid:)
Pressure control solenoid cannot be removed.

Installation
To install, follow the removal steps in reverse order noting the following point;
Torque:
Solenoid S1, S2 bolt - 7 Nm (61 inch lbs.)
Lock-up solenoid bolt- 10 Nm (87 inch lbs.)