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Crankshaft Balancer Installation

Special Tools

    • EN-50430 Pin - Balance Shaft Module Locking
    • EN-50431 Adaptor - Backlash Measurement

For equivalent regional tools, refer to Special Tools .

  1. Set the piston of cylinder #1 to TDC of combustion stroke.

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  3. Install the EN-50430 locking pin (1) and lock the gear of the balance shaft module (2).

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  5. Install the balance shaft module (1) to the lower crankcase.
  6. Note: Install the balance shaft module retaining bolts in a cross sequence.

  7. Install 4 NEW balance shaft module retaining bolts (2). Tighten the bolts (2) only to the extent to which the balance shaft module (1) is still sliding on the lower crankcase.
  8. Remove the EN-50430 locking pin .

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  10. Push the balance shaft module (1) to the exhaust side of the engine.
  11. Install a dial gauge (2) to the inlet side of the balance shaft module.
  12. Set the dial gauge to zero.

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  14. Set driver (1) into the exhaust side as shown in the illustration and push the balance shaft module (2) 1.1 mm (0.039 in) to the inlet side.
  15. Caution: Refer to Fastener Caution in the Preface section.

    Caution: Refer to Torque-to-Yield Fastener Caution in the Preface section.

    Note: Tighten the balance shaft module retaining bolts in a cross sequence.

  16. Tighten the balance shaft module bolts (2) to 20 N·m (15 lb ft).
  17. Check the balance shaft module backlash specifications. Refer to Crankshaft Balancer Cleaning and Inspection .
  18. Tighten the balance shaft module bolts (2) to 50 N·m + 90° (37 lb ft) + 90°.
   


© Copyright Chevrolet. All rights reserved
   


© Copyright Chevrolet. All rights reserved