Left Balance Shaft
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CAUTION:
Always replace the balance shaft bearings whenever the balance shaft is removed. The bearing assembly clasp may have worn which if reused can result in the bearing assembly lifting off the balance shaft journal during balance shaft installation which will cause subsequent engine failure.
REMOVAL
- Remove the engine oil pump. Refer to PUMP, ENGINE OIL, REMOVAL AND INSTALLATION .
- Remove the retaining bolt (1a) and remove the left balance shaft assembly (1b).
- Remove and discard both balance shaft needle bearings (1) from the balance shaft (2).
INSTALLATION
CAUTION:
Always replace the balance shaft bearings whenever the balance shaft is removed. The bearing assembly clasp may have worn which if reused can result in the bearing assembly lifting off the balance shaft journal during balance shaft installation which will cause subsequent engine failure.
- Apply clean engine oil to the NEW balance shaft bearings.
- Install the balance shaft bearings (1) on the balance shaft (2).
- Install the left balance shaft assembly (1b) into the engine block and hand tighten the retaining bolt (1a).
- Insert the longer of the two (special tool #2027101090, Alignment Pins, Balance Shaft) (3) through the balance shaft mount into the balance shaft alignment hole and position as shown in illustration.
- Install the (special tool #2027106090, Tool, Left Balance Shaft Guide) (2) and tighten the retaining bolt (1) to the proper specification Refer to TORQUE SPECIFICATIONS .
- Remove the balance shaft guide.
- Install the engine oil pump. Refer to PUMP, ENGINE OIL, REMOVAL AND INSTALLATION .