Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Install the upper crankshaft bearings and lubricate bearing surfaces with engine oil.

Fig 1: View Of Crankshaft Bearing Inserts
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Install the crankshaft on the journals.

Fig 2: Identifying Crankshaft
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Install the lower bearing halves, without grooves, into the lower crankcase. Apply oil to bearing surfaces.

Fig 3: Identifying Crankshaft Bearing Inserts

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Apply sealer GM P/N 12346286 (Canadian P/N 10953472) to the surfaces of the engine block to bedplate mating surfaces.
Install the lower crankcase. Tap gently into place with a suitable tool if necessary. Ensure it is aligned properly on the dowels.

Fig 4: Aligning Ower Crankcase Dowels
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NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the NEW crankshaft bearing bolts in sequence finger tight.

Fig 5: View Of Upper & Lower Crankcase W/Bolts
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1. Tighten the crankshaft bearing bolts in sequence.
  Tighten: Tighten the crankshaft bearing bolts to 20 N.m (15 lb ft).
2. Tighten the crankshaft bearing bolts in sequence using the J 45059 .
  Tighten: Tighten the crankshaft bearing bolts 70 degrees using the torque angle meter.
Fig 6: Identifying Crankshaft Bearing Bolt Tightening Sequence
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Tighten the lower crankcase perimeter bolts in sequence.
Tighten: Tighten the lower crankcase perimeter bolts to 25 N.m (18 lb ft).

Fig 7: Lower Crankcase Perimeter Bolt Tightening Sequence
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