2008 Jeep Commander 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE

Assembly







ASSEMBLY

CAUTION: Make certain all valves and springs are assembled correctly. Failure to follow this caution may result in transmission failure.

Factory service manual diagram




NOTE: Pay great attention to cleanliness for all work on the shift plate. Fluffy cloths must not be used. Leather cloths are particularly good. After dismantling, all parts must be washed and blown out with compressed-air, noting that parts may be blown away.

Factory service manual diagram




1. Install the pressure supply valve (1) into the valve body.
Factory service manual diagram




Factory service manual diagram




2. Lubricate and install the B-2 Shift Valve assembly (1), 2-3 Holding Pressure Valve assembly (2), 2-3 Command Valve assembly (3), 2-3 Shift Pressure Shift Valve assembly (4), TCC Damper Valve (5) if equipped and the T/CC Lock-Up Regulator Valve assembly (6) into the valve body.
3. Install the side cover and the screws holding the side cover (7) to the valve body and valve housing. Tighten the screws to 4 Nm (35 in.lbs.).
Factory service manual diagram




Factory service manual diagram




4. Lubricate and install the 1-2 / 4-5 Overlap Regulating Valve, Sleeve, and Piston assembly (1), Shift Pressure Regulating Valve assembly (2), Control Valve Pressure Regulator Valve assembly (3) and Shift Solenoid Pressure Regulating Valve assembly (4) into the valve body.
5. Install the side cover and the screws holding the side cover (5) to the valve body and valve housing. Tighten the screws to 4 Nm (35 in.lbs.).
Factory service manual diagram




Factory service manual diagram




6. Lubricate and install the 1-2 / 4-5 Command valve assembly (1), 1-2 / 4-5 Holding Pressure Shift Valve (2) and the 1-2 / 4-5 Shift Pressure assembly (3) into the valve body.
7. Install the side cover and the screws holding the side cover (4) to the valve body and valve housing. Tighten the screws to 4 Nm (35 in.lbs.).
Factory service manual diagram




Factory service manual diagram




8. Lubricate and install the sector valve (1).
9. Lubricate and install 3-4 Holding Pressure Shift Valve assembly (2), 3-4 Command Valve assembly (3), 3-4 Shift Pressure assembly (4) and the 3-4 Overlap Regulating Valve Sleeve and Piston assembly (5) into the valve body.
10. Install the side cover and the screws holding the side cover (6) to the valve body and valve housing. Tighten the screws to 4 Nm (35 in.lbs.).
Factory service manual diagram




Factory service manual diagram




11. Lubricate and install the Operating Pressure Regulating Valve assembly (1), Lubricating Pressure Regulating Valve assembly (2) and the 2-3 Overlap Regulating Valve, Sleeve and Piston assembly (3) into the valve body.
12. Install the side cover and the screws holding the side cover (6) to the valve body and valve housing. Tighten the screws to 4 Nm (35 in.lbs.).
Factory service manual diagram




NOTE: A total of 12 valve balls are located in the valve body, four made from plastic (4) and eight from steel (1, 3).

13. Install all check balls (1, 3, 4) and the central strainer (2).
Factory service manual diagram




14. Install the strainer (1) in the inlet to torque converter lock-up control solenoid valve.
Factory service manual diagram




15. Position the sealing plate (3) onto the valve body (4).
16. Install the valve housing (2) onto the valve body (4) and sealing plate (3).
17. Install the shift plate Torx(R) bolts (1). Tighten the bolts to 8 Nm (71 in.lbs.).
18. Install leaf spring (5).
Factory service manual diagram




19. Install the strainers (1) for the modulating pressure and shift pressure control solenoid valves into the valve housing.
Factory service manual diagram




Factory service manual diagram




20. Install the electrohydraulic control module (12) onto the shift plate (13).
21. Bend the retaining lug on stiffening rib on transmission oil temperature sensor to retain the electrohydraulic control module.
22. Install the solenoid valves (6 - 11) into shift plate (13).

NOTE: Check O-rings on solenoid valves for damage and replace if necessary.

23. Install the leaf springs (5).
24. Install the Torx(R) socket bolts (3, 4). Tighten the bolts to 8 Nm (71 in.lbs.).

NOTE: Pay attention to the different lengths of the Torx(R) socket bolts.

25. Install the solenoid caps (1, 2) if equipped.
26. Install the electrohydraulic unit into the vehicle.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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