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Home >> Isuzu >> 2002 >> Trooper LS, 4WD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Engine Mechanical >> Engine Assembly >> Installation
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Engine Assembly: Installation

CAUTION: When assembling the engine and transmission, confirm that dowels have been mounted in the specified positions at the engine side.
NOTE: Take care that dowel positions are different between the manual transmission and the automatic transmission.

If the engine is assembled in the condition that the dowels have not been mounted in the specified positions, the transmission may be damaged the transmission.

Fig 1: Identifying A/T And M/T Dowel Positions
G03323889Courtesy of ISUZU MOTOR CO.
  1. Install engine assembly. Tighten engine mount fixing bolts to frame to the specified torque.

    Torque:  41 N.m (30 lb ft)

  2. Reconnect fuel hose to fuel pipe on engine.
  3. Install transmission assembly. Refer to TRANSMISSION (WITH TRANSFER CASE) for installation procedure for transmission.
  4. Reconnect two heater hoses to engine.
  5. Install flywheel dust covers.
  6. Install exhaust pipe and temporarily tighten two (each bank) rear exhaust flange nuts then tighten three stud nuts (each bank) between exhaust manifold and exhaust pipe, finally tighten rear side nuts to the specified torque.

    Torque: 

    Nuts:  (Exhaust front pipe LH-RH): 57 N.m (42 lb ft)

    Nuts:  (Exhaust front pipe-silencer): 43 N.m (32 lb ft)

    Fig 2: Identifying Exhaust Front Pipe RH And O2 Sensor
    G03323892Courtesy of ISUZU MOTOR CO.
    Fig 3: Identifying Exhaust Front Pipe LH And O2 Sensor
    G03323893Courtesy of ISUZU MOTOR CO.
  7. Reconnect O2 sensor connector.
  8. Install cooling fan assembly and tighten bolts/nuts to the specified torque.

    Torque:  22 N.m (16 lb ft) for fan pulley and fan bracket.

    Torque:  10 N.m (87 lb in) for fan and clutch assembly.

  9. Install air conditioner compressor to engine and tighten to the specified torque.

    Torque: 

    M8 bolts:  22 N.m (16 lb ft)

    M10 bolts:  43 N.m (32 lb ft)

  10. Install power steering pump, tighten fixing bolt to the specified torque.

    Torque: 

    M8 bolts:  22 N.m (16 lb ft)

    M10 bolts:  46 N.m (34 lb ft)

  11. Move drive belt tensioner to loose side using wrench, then install drive belt to normal position.
    Fig 4: Installing Drive Belt
    G03323894Courtesy of ISUZU MOTOR CO.
  12. Install upper fan shroud.
  13. Reconnect radiator upper and lower hoses.
  14. Reconnect coolant reserve tank hose to radiator.
  15. Reconnect generator harness connector.
  16. Reconnect starter harness connector.
  17. Reconnect bonding cable terminal on left bank
  18. Reconnect bonding cable terminal on the back of right dash panel.
  19. Reconnect ground cable between engine and chassis.
  20. Reconnect harness connector to transmission and install transmission harness bracket on engine left side.
  21. Reconnect three engine harness connectors.
  22. Reconnect vacuum booster hose.
  23. Reconnect canister vacuum hose.
  24. Install air cleaner assembly.
  25. Reconnect air duct.
  26. Reconnect throttle position sensor harness connector.
    Fig 5: Identifying Throttle Position Sensor Connector And Throttle Valve Assembly
    G03323895Courtesy of ISUZU MOTOR CO.
  27. Reconnect manifold absolute pressure sensor harness connectors.
  28. Reconnect ion sensing module connectors as shown in illustration.
    Fig 6: Connecting Ion Sensing Module Connectors
    G03323841Courtesy of ISUZU MOTOR CO.
  29. Install engine hood to the original position.
    • Refer to ENGINE HOOD for installation procedure for Body.
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