GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1998 🢒 S/T Isuzu - 2WD 🢒 Engine 🢒 Engine Mechanical - 2.2L 🢒 Camshaft Replacement

Removal Procedure

    Object Number: 38205 Size: SH

    Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  1. Disconnect the battery negative cable.
  2. Drain the engine coolant.

    3. Refer to Cooling System Draining and Filling .


    Object Number: 199015 Size: SH
  3. Remove the radiator.

    4. Refer to Radiator Replacement .

  4. Remove the A/C condenser, if equipped.

    5. Refer to Condenser Replacement in HVAC.


    Object Number: 183438 Size: SH
  5. Remove the cylinder head.

    6. Refer to Cylinder Head Replacement .


    Object Number: 175486 Size: SH
  6. Remove the engine front cover.

    7. Refer to Engine Front Cover Replacement .


    Object Number: 3684 Size: SH

    Important: Store the valve lifters in order so that they can be re-installed in the same order.

  7. Remove the valve lifters.

    8. Refer to Valve Lifter Replacement

  8. Rotate the crankshaft until the number 1 piston is at top dead center (TDC) on the compression stroke.

    9. Object Number: 3785 Size: SH
  9. Remove the oil pump drive gear.

    10. Refer to Oil Pump Drive Replacement .


    Object Number: 30275 Size: SH
  10. Remove the camshaft position sensor.

    11. Refer to Camshaft Position Sensor Replacement .


    Object Number: 1152 Size: SH
  11. Remove the camshaft bolt.
  12. Remove the camshaft sprocket and the timing chain.

    13. Refer to Timing Chain and Sprocket Replacement .


    Object Number: 4321 Size: SH
  13. Remove the camshaft retainer bolts.

    14. Important: When removing the camshaft, do not damage the camshaft bearings.

    For the camshaft bearing removal procedure, refer to Camshaft Removal .

  14. Remove the camshaft.
  15. Remove the camshaft sprocket from the camshaft.

    16. Important: If a new camshaft is being installed, replace the valve lifters, and add new engine oil and a new oil filter.

  16. Inspect the camshaft for wear or damage.

    17. Refer to Camshaft and Bearings Cleaning and Inspection .

Installation Procedure

    Important: If you install a new camshaft, replace all of the valve lifters.


    Object Number: 4322 Size: SH
  1. Install the camshaft.

    2. Refer to Camshaft Installation .


    Object Number: 183275 Size: SH
  2. Install the camshaft retainer bolts.

    3. Refer to Camshaft Installation .


    Object Number: 30275 Size: SH
  3. Install the camshaft position sensor.

    4. Refer to Camshaft Position Sensor Replacement .


    Object Number: 1152 Size: SH
  4. Install the camshaft sprocket.
  5. Install the crankshaft sprocket and timing chain.

    6. Refer to Timing Chain and Sprocket Replacement .


    Object Number: 3785 Size: SH
  6. Install the oil pump drive gear.

    7. Refer to Oil Pump Drive Replacement .


    Object Number: 175486 Size: SH
  7. Install the engine front cover.

    8. Refer to Engine Front Cover Replacement .


    Object Number: 3682 Size: SH
  8. Install the valve lifters.

    9. Refer to Valve Lifter Replacement .


    Object Number: 183438 Size: SH
  9. Install the cylinder head.

    10. Refer to Cylinder Head Replacement .


    Object Number: 199015 Size: SH
  10. Install the air conditioning condenser, if equipped.

    11. Refer to Condenser Replacement in HVAC.

  11. Install the radiator.

    12. Refer to Radiator Replacement .


    Object Number: 38205 Size: SH
  12. Connect the battery negative cable.