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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Engine Mechanical - 3.7L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Hood Hinges
    GM1313590Courtesy of GENERAL MOTORS CORP.
  1. Remove the hood. Refer to Hood Replacement .
  2. Remove the battery box. Refer to Battery Box Replacement .
  3. Drain the engine coolant. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac N Fill) .
  4. Remove the outlet radiator hose. Radiator Outlet Hose Replacement .
  5. Remove the cooling fan. Refer to Fan Replacement .
  6. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  7. Remove the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .
  8. Remove the generator. Refer to Generator Replacement .
  9. Reinstall the engine lift bracket. Refer to Engine Lift Bracket Replacement .
    10. Fig 2: View Of Radiator Inlet Hose
    GM1207743Courtesy of GENERAL MOTORS CORP.
  10. Position the J 38185  to the clamp (3) in order to remove the radiator inlet hose (2) from the water outlet housing (4).
  11. Remove the washer solvent container/coolant recovery reservoir mounting bolts ONLY, in order to gain clearance to remove the engine wiring harness. Refer to Washer Solvent Container Replacement .
    12. Fig 3: View Of Engine Wiring Harness & Retainers
    GM1350711Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the 2 engine wiring harness connectors (2) from the powertrain control module (PCM) (3).
  13. Disconnect the engine wiring harness retainers (1) from the wheelhouse (4).
  14. Open the engine wiring harness retainer (5).
    15. Fig 4: View Of Power Steering Pump & Engine Wiring Harness Retainers
    GM1350723Courtesy of GENERAL MOTORS CORP.
  15. Disconnect the engine wiring harness retainers (1) from the power steering pump (2).
  16. Disconnect the engine wiring harness connectors from the following components:
    • The electric motor actuator connector (4WD only)
    • The oil pressure switch
    17. Fig 5: View Of CMP Sensor Connector, Exhaust Camshaft Actuator Connector & Engine Wiring Harness Retainer
    GM1350714Courtesy of GENERAL MOTORS CORP.
  17. Disconnect the engine wiring harness retainer (2) from the camshaft cover (3).
  18. Disconnect the engine wiring harness connectors from the following components:
    • The exhaust camshaft position (CMP) sensor (5)
    • The exhaust camshaft actuator (6)
    19. Fig 6: View Of Engine Wiring Harness Electrical Connectors
    GM1765153Courtesy of GENERAL MOTORS CORP.
  19. Disconnect the following electrical connectors from the camshaft cover:
    • The fuel injector harness (1)
    • The heated oxygen sensor (HO2S) (2)
    • The engine coolant temperature (ECT) sensor (3)
    20. Fig 7: View Of Engine Ignition Coil Wiring Harness Electrical Connectors
    GM1765152Courtesy of GENERAL MOTORS CORP.
  20. Disconnect the engine wiring harness electrical connectors from the ignition coils.
    21. Fig 8: View Of Engine Wiring Harness Connections To Camshaft Cover & Throttle Body
    GM1350717Courtesy of GENERAL MOTORS CORP.
  21. Disconnect the engine wiring harness retainer (3) from the camshaft cover (4).
  22. Disconnect the engine wiring harness connector (2) from the throttle body (1).
    23. Fig 9: View Of Intake CMP Sensor Engine Wiring Harness Connector
    GM1350719Courtesy of GENERAL MOTORS CORP.
  23. Disconnect the engine wiring harness connector from the intake CMP sensor.
    24. Fig 10: View Of Engine Wiring Harness Conduit
    GM1765151Courtesy of GENERAL MOTORS CORP.
  24. Carefully disengage the engine wiring harness conduit from the camshaft cover.
  25. Remove the transmission filler tube (M30 only). Refer to Filler Tube and Seal Replacement .
  26. Drain the engine oil, if necessary. Refer to Engine Oil and Oil Filter Replacement .
    27. Fig 11: View Of A.I.R. Injection Pipe Cover
    GM858290Courtesy of GENERAL MOTORS CORP.
  27. Remove the studs securing the secondary air injection (AIR) pipe cover to the cylinder head.

    Remove the AIR pipe cover and gasket.

    Discard the gasket.

    28. Fig 12: Identifying J 44220
    GM1350731Courtesy of GENERAL MOTORS CORP.
  28. Install the J 44220  in place of the AIR adapter.
    29. Fig 13: View Of Inlet Heater Hose Quick Connect
    GM1350735Courtesy of GENERAL MOTORS CORP.
  29. Disconnect the inlet heater hose quick connect (1) from the heater core (2), and secure to the engine.
    30. Fig 14: View Of Power Steering Pump & Mounting Bolts
    GM1201379Courtesy of GENERAL MOTORS CORP.
  30. Remove the power steering pump mounting bolts ONLY, and position aside.
    31. Fig 15: View Of Engine Mount-To-Frame Bracket Bolt - Right
    GM1201503Courtesy of GENERAL MOTORS CORP.
  31. Remove the right engine mount-to-frame bracket bolt.
    32. Fig 16: View Of Intake Manifold Engine Wiring Harness Retainer
    GM1350691Courtesy of GENERAL MOTORS CORP.
  32. Disconnect the engine wiring harness retainer (1) from the intake manifold (2).
  33. Position the engine wiring harness aside.
  34. Disconnect the fuel feed pipe from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  35. Disconnect the evaporative emission EVAP pipe at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
  36. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
    37. Fig 17: Identifying Intake Manifold External Components
    GM1350689Courtesy of GENERAL MOTORS CORP.
  37. Disconnect the brake booster hose (6) from the brake booster.
  38. Remove the manifold absolute pressure (MAP) sensor. Refer to Manifold Absolute Pressure Sensor Replacement .
  39. Disconnect the MAP sensor wiring harness retainer (4) from the intake manifold (5).
  40. Raise and support the vehicle only high enough to access the wiring harnesses through the wheelhouse. Refer to Lifting and Jacking the Vehicle .
    41. Fig 18: View Of Wiring Harness Retainers
    GM1350692Courtesy of GENERAL MOTORS CORP.
  41. Disconnect the following wiring harness retainers from the engine wiring harness bracket:
    • The battery cable
    • The engine (4, 6)
    • The MAP sensor (5)
    42. Fig 19: Locating Positive Battery Cable
    GM1313639Courtesy of GENERAL MOTORS CORP.
  42. Remove the starter solenoid "S" terminal nut (3) and disconnect the lead (4) from the starter.
  43. Remove the starter terminal nut (1) and disconnect the battery positive cable (2) from the starter.
    44. Fig 20: Locating Negative Battery Cable
    GM1313636Courtesy of GENERAL MOTORS CORP.
  44. Remove the bolt (4) securing the battery negative cable (5) to the engine block (1).
    45. Fig 21: View Of EVAP Canister Purge Solenoid Valve Engine Wiring Harness Connector
    GM1352021Courtesy of GENERAL MOTORS CORP.
  45. Disconnect the engine wiring harness connector from the evaporative emission (EVAP) canister purge solenoid valve.
    46. Fig 22: View Of KS Engine Wiring Harness Connector
    GM1352023Courtesy of GENERAL MOTORS CORP.
  46. Disconnect the engine wiring harness connector (3) from the # 2 knock sensor (KS) (1).
  47. Disconnect the coolant heater cord from the coolant heater, if equipped.
    48. Fig 23: View Of #1 Knock Sensor & Engine Oil Pan Rail Engine Wiring Harness Connectors
    GM1352025Courtesy of GENERAL MOTORS CORP.
  48. Disconnect the engine wiring harness connector from the # 1 KS (2).
  49. Disconnect the engine wiring harness retainer (4) from the engine oil pan rail.
    50. Fig 24: View Of J 38185
    GM1350742Courtesy of GENERAL MOTORS CORP.
  50. Remove the bolt (5) securing the heater outlet hose/pipe to the left engine mount (4).
  51. Position the J 38185  (2) to the clamp (1) in order to remove the heater outlet hose from the heater outlet hose fitting (3).
    52. Fig 25: View Of Engine Wiring Harness
    GM1350744Courtesy of GENERAL MOTORS CORP.
  52. Disconnect the engine wiring harness connector (3) from the crankshaft position (CKP) sensor (1).
  53. Raise the vehicle completely. Refer to Lifting and Jacking the Vehicle .
  54. Remove the 3 bolts securing the engine wiring ground leads (2) to the engine block.
  55. Disconnect the engine wiring harness retainer (5) from the engine oil pan rail.
  56. Position the engine wiring harness aside.
    57. Fig 26: View Of Engine Mount-To-Frame Bracket Bolt - Left
    GM1201502Courtesy of GENERAL MOTORS CORP.
  57. Remove the left engine mount-to-frame bracket bolt.
    58. Fig 27: View Of Fuel Hose/Pipe Bracket & Nuts (MA5)
    GM1302111Courtesy of GENERAL MOTORS CORP.
  58. Remove the nuts securing the fuel hose/pipe brackets to the transmission (MA5 only).
    59. Fig 28: View Of Fuel Hose/Pipe Bracket & Nuts (M30)
    GM1350750Courtesy of GENERAL MOTORS CORP.
  59. Remove the nuts (2) securing the fuel hose/pipe bracket (1) to the transmission (M30 only).
  60. Disconnect the fuel hose/pipe retainer (4) from the range selector cable bracket (3), and position aside the fuel hose/pipe bundle (M30 only).
  61. Remove the applicable components in order to gain clearance to remove the engine:
    • RWD

      Remove the crossmember. Refer to Crossmember Replacement - Transmission (2WD) .

    • 4WD
      1. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
        2. Fig 29: View Of Mounting Bracket To Frame Bolts
        GM1339814Courtesy of GENERAL MOTORS CORP.
      2. Remove the differential carrier assembly bushing to frame bolts ONLY.
      3. Position the differential carrier assembly forward.
      4. Secure the pinion yoke, in order to prevent the differential carrier from rotating.
  62. Remove the exhaust seal. Refer to Exhaust Seal Replacement .
    63. Fig 30: View Of Transmission Oil Cooler Pipe Bracket Bolt
    GM1350748Courtesy of GENERAL MOTORS CORP.
  63. Remove the bolt (2) securing the transmission oil cooler pipe bracket to the right side of the engine oil pan rail (M30 only).
    64. Fig 31: View Of Inspection Plug
    GM1350754Courtesy of GENERAL MOTORS CORP.
  64. Remove the inspection plug (3) from the transmission (1) (M30 only).
  65. Mark the torque converter to flexplate/flywheel orientation to ensure proper realignment (M30 only).
    66. Fig 32: View Of Service Slot Plug
    GM1302113Courtesy of GENERAL MOTORS CORP.
  66. Remove the service slot plug.
  67. Repeat the following steps for all 3 torque converter bolts (M30 only):
    1. Rotate the harmonic balancer center bolt clockwise ONLY, in order to access the torque converter bolt through the service slot.
    2. Remove the torque converter bolt using one of the following:
      • 18 mm crowfoot wrench
      • Short T50 TORX bit
    68. Fig 33: View Of Transmission Mounting Bolts
    GM1302117Courtesy of GENERAL MOTORS CORP.
  68. Remove the 9 transmission mounting bolts.
    69. Fig 34: View Of Transmission Mounting Bolts & Engine Dowels
    GM1302115Courtesy of GENERAL MOTORS CORP.
  69. Remove the remaining transmission mounting bolts (2).
  70. Lower the vehicle.
  71. Place a jack under the transmission for support.
    72. Fig 35: View Of Engine Lift Chain
    GM1350755Courtesy of GENERAL MOTORS CORP.
  72. Install an engine lift chain to the engine lift brackets and attach to an engine lift devise.
  73. Using the engine lift devise, raise the engine only enough to remove the engine mounts.
  74. Remove the bolts securing the following to the engine block:
    • The left engine mount
    • The right engine mount
  75. Position the engine mounts away from the engine.
    76. IMPORTANT: Ensure clearance is maintained between the engine and the following:
    • The A/C compressor
    • The A/C hoses
    • The engine mounts
    • The engine wiring harness
    • The fuel hose/pipes
    • The heater outlet hose/pipe
    • The power steering pump
    • The radiator
    • The transmission input shaft (MA5 only)
    • The transmission oil cooler pipes (M30 only)
  76. Carefully raise the engine from the engine compartment, ensuring the transmission stays supported.
  77. If equipped with an automatic transmission, remove the automatic transmission flywheel locator. Refer to Automatic Transmission Flywheel Locator Removal .
  78. Install the engine to an engine stand.
  79. Remove the engine lift chain from the engine lift brackets.
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