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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L Engine (Service Information) >> Removal >> 3.8L Engine

3.8L Engine

Fig 1: Battery
GC0061117Courtesy of CHRYSLER LLC
1 - BATTERY POSITIVE CABLE
2 - THERMO-WRAP
3 - BATTERY NEGATIVE CABLE
  1. Perform fuel pressure release procedure. Refer to STANDARD PROCEDURE .
  2. Disconnect negative battery cable (3).
  3. Drain the cooling system. Refer to STANDARD PROCEDURE .
  4. Secure the steering wheel in the center position.
  5. Evacuate and recover the air conditioning. Refer to STANDARD PROCEDURE .
    Fig 2: Throttle Body Bolts And Harness Connector
    GC0049766Courtesy of CHRYSLER LLC
    1 - Purge Line
    2 - Throttle Position Sensor
    3 - Idle Air Control Motor
  6. Disconnect the CCV hose at the left cylinder head cover.
  7. Remove the air cleaner cover and housing. See REMOVAL .
  8. Disconnect the ETC connector (1) from the throttle body.
  9. Disconnect the cruise control and power brake booster vacuum hoses and set aside.
  10. Disconnect the upper radiator hose from the thermostat housing and the lower radiator hose from the radiator. Refer to REMOVAL .
  11. Disconnect the heater hoses and coolant reservoir hose from the intake manifold.
    Fig 3: Transmission Connectors
    GC0000554Courtesy of CHRYSLER LLC
    1 - SOLENOID PACK CONNECTOR
    2 - INPUT SPEED SENSOR CONNECTOR
    3 - OUTPUT SPEED SENSOR CONNECTOR
    4 - TRANSMISSION RANGE SENSOR CONNECTOR
  12. Disconnect the transmission controller and transmission sensor wire harness connectors (1,2,3,4).
  13. Disconnect the brake controller wire harness connector.
  14. Disconnect the transmission shift cable, remove the cable from the bracket and set the cable aside.
    NOTE: Capture and store any fluid spillage in appropriately marked containers.
  15. Disconnect the transmission lines using special tool # 8875.
  16. Disconnect the generator electrical connectors.
    Fig 4: Fuel Line At Fuel Rail
    GC0061118Courtesy of CHRYSLER LLC
  17. Disconnect the fuel line from fuel rail
  18. Disconnect the EVAP hose from the throttle body.
  19. Disconnect the throttle position (TP), idle air control (IAC) motor, oxygen (HO2), cam position (CMP), manifold absolute pressure (MAP) and the two engine wiring harness connectors. Free the harness from the cover studs and set harness aside.
  20. Disconnect the purge solenoid harness connector.
  21. Remove engine wiring harness retainer from left cylinder head cover and oil level indicator tube.
  22. Disconnect the A/C electrical connector, and both A/C lines from the compressor. Cover and seal all openings of hoses and compressor.
    Fig 5: Tire And Wheel Mounting
    GC0061119Courtesy of CHRYSLER LLC
  23. Disconnect the oil pressure sending unit (OPS).
  24. Disconnect the coolant hose at the engine oil cooler.
  25. Raise and support the vehicle.
  26. Remove the front wheels (1).
  27. Remove the front fascia.
  28. Disconnect the starter wiring and push pin.
  29. Remove the flex plate inspection cover.
  30. Rotate the engine at the crankshaft pulley bolt and remove the torque converter bolts.
    Fig 6: Converter to Manifold - 3.8L
    GC0002021Courtesy of CHRYSLER LLC
    1 - FLAG NUT
    2 - GASKET
    3 - BOLT
    4 - CATALYTIC CONVERTER
  31. Disconnect the rear oxygen sensor and remove the exhaust system (4).
    Fig 7: Steering Column Coupling
    GC0001792Courtesy of CHRYSLER LLC
    1 - LOWER STEERING COLUMN COUPLING ASSEMBLY
    2 - INTERMEDIATE SHAFT TO STEERING GEAR
    3 - PIN
    4 - STEERING GEAR
    5 - EXTENSION TO SHAFT BOLT
  32. Separate the steering column intermediate shaft (2) from the steering gear using special tool # 6831-A.
  33. Disconnect the knock sensor wiring harness connector and remove the crankshaft sensor.
  34. Disconnect the in block heater (if equipped).
    Fig 8: Front Cradle Assembly
    GC0001797Courtesy of CHRYSLER LLC
    1 - FRONT CRADLE BOLT 7 - WHEEL HUB
    2 - FRONT CRADLE ASSEMBLY 8 - LOWER CONTROL ARM
    3 - FRONT BRAKE LINES 9 - FRONT BRAKE HOSE
    4 - STEERING GEAR 10 - POWER STEERING COOLER
    5 - WHEEL SPEED SENSOR HARNESS 11 - STEERING KNUCKLE
    6 - TIE ROD END 12 - STABILIZER LINK
  35. Disconnect the left wheel speed sensor (5)and sensor harness push pin from the body, and set the harness aside.
  36. Disconnect the left upper stabilizer link (12).
  37. Disconnect the left strut to steering knuckle bolts (11) and separate the union.
  38. Disconnect the right wheel speed sensor and sensor harness push pin from the body, and set the harness aside.
  39. Disconnect the right upper stabilizer link.
  40. Disconnect the right strut to steering knuckle bolts and separate the union.
  41. Disconnect the engine harness ground at the transmission.
  42. Disconnect the rear transmission mount from the body.
    Fig 9: Cradle Support Fixture - Front
    GC0001798Courtesy of CHRYSLER LLC
    1 - LEFT LOWER ENGINE MOUNT NUT
    2 - CRADLE SUPPORT FIXTURE ARMS
    3 - CRADLE SUPPORT FIXTURE ENGINE STABILIZER
  43. Set up and adjust the cradle support fixture arms (2).
    Fig 10: Cradle Support Fixture - Rear
    GC0001799Courtesy of CHRYSLER LLC
    1 - RIGHT LOWER ENGINE MOUNT
    2 - RIGHT LOWER ENGINE MOUNT NUT
    3 - ALIGNMENT DOWEL ACCESS HOLES
    4 - CRADLE SUPPORT FIXTURE
  44. Set up and adjust the cradle support fixture arms and dowels (3), then paint mark the cradle to body location at all four cradle bolt positions (3).
    CAUTION: DO NOT APPLY the total vehicle weight on the cradle support fixture.
  45. Lower the front cradle onto the fixture (4), and remove all four front cradle mount bolts.
    NOTE: Use a brake pedal prop rod and depress the brake pedal to prevent excessive brake fluid loss when the brake system is open.
  46. Disconnect both front brake lines at the brake controller and route aside.
    Fig 11: Right Engine Mount to Engine
    GC0002022Courtesy of CHRYSLER LLC
    1 - BOLT
    2 - MOUNT BRACKET
    3 - ENGINE RIGHT MOUNT ASSEMBLY
  47. Disconnect the right front engine mount (3).
    Fig 12: Powertrain Torque Strut
    GC0000561Courtesy of CHRYSLER LLC
    1 - STRUT
    2 - BRACKET
  48. Remove the left powertrain torque strut (1) to frame bracket bolt.
    CAUTION: While slowly separating the body from the cradle assembly, constant checks must be performed to assure proper positioning and that no damage occurs during separation.
  49. Carefully raise the vehicle off of the engine and cradle assembly.
  50. Connect engine lift bracket, special tool # 8534-8 to the left cylinder head and # 8534-7 to the right cylinder head.
  51. Separate the engine and transmission from the cradle using the lift brackets.
  52. Separate the transmission from the engine.
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