GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1997 🢒 S/T Isuzu - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Balance Shaft Installation

Tools Required

    • J 38834 Balance Shaft Bearing Service Kit
    • J 36996 Balance Shaft Installer
    • J 8092 Universal Driver Handle
    • J 36660-A Torque/Angle Meter
  1. Dip the bearing into clean oil before installation.

    2. Object Number: 5140 Size: SH
  2. Use the J 38834 in order to install the balance shaft rear bearing.

    3. Object Number: 5141 Size: SH
  3. Use the J 36996 and the J 8092 in order to install the balance shaft.

    4. Object Number: 5137 Size: SH
  4. Install the balance shaft retainer.

    5. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 5136 Size: SH
  5. Install the balance shaft driven gear.

    6. Tighten

        • On the first pass tighten the bolts to 20 N·m (15 lb ft).
        • On the second pass use the J 36660-A in order to tighten the nuts an additional 35 degrees.
  6. Rotate the balance shaft by hand in order to ensure that there is clearance between the balance shaft and the lifter retainer.

    7. Object Number: 5164 Size: SH
  7. Rotate the balance shaft key by hand in order to ensure that there is clearance between the balance shaft and the retainer. If the balance shaft does not rotate freely, ensure that the retaining ring on the front bearing is seated on the case.
  8. Install the balance shaft drive gear but do not install the camshaft bolts at this time.

    9. Object Number: 9848 Size: SH
  9. Rotate the camshaft so that the timing mark on the balance shaft drive gear is straight up.

    10. Object Number: 9849 Size: SH
  10. Remove the drive gear. Turn the balance shaft so that the timing mark on the driven gear points down.

    11. Object Number: 5144 Size: SH
  11. Position the drive gear onto the camshaft.
    12. • Ensure that the timing marks align.
    • The number four cylinder will be at the top dead center of its compression stroke. When installing the distributor, position the rotor so that it faces the number four terminal.

    Object Number: 5143 Size: SH
  12. Install the timing chain and the camshaft sprocket.