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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (3.7L Engine (Service Information)) >> Installation >> 3.7L Engine

3.7L Engine

WARNING: This page is about a different variant/trim than selected.
Fig 1: Removing Transmission to Engine Bolts
GC0011732Courtesy of CHRYSLER LLC
1 - ENGINE
2 - TRANSMISSION
3 - BOLTS
4 - WIRING HARNESS CLIPS
  1. Position the engine in the vehicle.
  2. Install the transmission bellhousing to engine mounting bolts (3). Tighten the bolts to 41 N.m (30 ft. lbs.)
    Fig 2: Engine Mount Bolt
    GC0011734Courtesy of CHRYSLER LLC
  3. Install the engine mount thru bolts (3).
    Fig 3: Removing Torque Converter Bolts
    GC0011733Courtesy of CHRYSLER LLC
    1 - TRANSMISSION
    2 - DRIVEPLATE
    3 - TORQUE CONVERTER BOLTS
  4. Install the torque convertor bolts (3).
    Fig 4: Removing/Installing Starter
    GC0003784Courtesy of CHRYSLER LLC
  5. Install the starter (4).
  6. Connect the crankshaft position sensor.
  7. Install the engine block heater power cable, if equipped.
    Fig 5: Removing/Installing Structural Cover
    GC0003786Courtesy of CHRYSLER LLC
    CAUTION: The structural cover requires a specific torque sequence. Failure to follow this sequence may cause severe damage to the cover.
  8. Install the structural cover.
    NOTE: New clamps must be used on exhaust manifold flanges. Failure to use new clamps may result in exhaust leaks.
  9. Install the left and right exhaust pipes.
  10. Connect the left and right oxygen sensors.
  11. Remove the engine lift plate.
  12. Connect the knock sensors.
  13. Connect the engine to body ground straps at the left side of the cowl.
    Fig 6: Intake Manifold Bolt Tightening Sequence
    GC0003788Courtesy of CHRYSLER LLC
  14. Install the intake manifold using the sequence provided.
  15. Install the engine oil dipstick tube.
  16. Install the power brake booster vacuum hose.
  17. Install the breather hoses.
  18. Install the PCV hose.
  19. Install the fuel rail.
  20. Install the coil over plugs.
    Fig 7: Locating Throttle Body Connection Points
    GC0003789Courtesy of CHRYSLER LLC
    1 - THROTTLE BODY
    2 - TPS
    3 - IAC MOTOR
    4 - IAT SENSOR (THREADED TYPE)
    5 - MOUNTING SCREWS
  21. Connect the engine wiring harness at the following points:
    • Intake air temperature (IAT) sensor (4)
    • Fuel Injectors
    • Throttle Position (TPS) Switch (2)
    • Idle Air Control (IAC) Motor (3)
    • Engine Oil Pressure Switch
    • Engine Coolant Temperature (ECT) Sensor
    • Manifold Absolute Pressure MAP) Sensor
    • Camshaft Position (CMP) Sensor
    • Coil Over Plugs
    • Crankshaft Position Sensor
    22. Fig 8: Locating Body Ground Strap-Right Side
    GC0003782Courtesy of CHRYSLER LLC
  22. Connect the ground straps on the right (3) side of the engine.
    Fig 9: Locating Body Ground Strap-Left Side
    GC0003783Courtesy of CHRYSLER LLC
  23. Connect the ground straps on the left (2) side of the engine.
    Fig 10: Removing/Installing Generator
    GC0003785Courtesy of CHRYSLER LLC
  24. Reinstall the radiator/cooling module assembly.
  25. Connect lower radiator hose.
  26. Connect upper radiator hose.
  27. Connect throttle and speed control cables.
  28. Install the heater hose assembly.
  29. Install coolant recovery bottle.
  30. Install the power steering pump.
  31. Install the generator (3).
    Fig 11: Removing/Installing A/C Compressor
    GC0003787Courtesy of CHRYSLER LLC
  32. Install the A/C compressor (2).
  33. Install the drive belt.
  34. Install the fan shroud with the viscous fan assembly.
  35. Install the radiator core support bracket.
  36. Recharge the A/C system. Refer to STANDARD PROCEDURE .
    Fig 12: Strut Tower Support
    GC0027231Courtesy of CHRYSLER LLC
  37. Install the strut tower support (1).
  38. Install the air cleaner assembly.
  39. Refill the engine cooling system.
  40. Check and fill engine oil.
  41. Connect the battery negative cable.
  42. Start the engine and check for leaks.
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