Oil Pan Installation - Upper

WARNING: This page is about a different variant/trim than selected.

Apply a 2-3 mm wide by 0.5-1.5 mm bead of GM P/N 12378521 (Canadian P/N 88901148) sealant to the upper oil pan mating surfaces.

Fig 1: Determining Sealant Bead Dimensions
Courtesy of GENERAL MOTORS CORP.
Install the upper oil pan to the engine block.

Fig 2: View Of Upper Oil Pan
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .

Fig 3: Identifying Upper Oil Pan Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

Install the upper oil pan bolts.
Tighten: Tighten the upper oil pan bolts in sequence to 20 N.m (15 lb ft).
Install the two flywheel housing to upper oil pan bolts.
Tighten: Tighten the two flywheel housing to upper oil pan bolts to 50 N.m (37 lb ft)

Fig 4: View Of Flywheel Housing To Upper Oil Pan Bolts
Courtesy of GENERAL MOTORS CORP.
Install the oil level indicator tube.

Fig 5: View Of Oil Level Indicator
Courtesy of GENERAL MOTORS CORP.
Install the oil level indicator tube bracket bolt.
Tighten: Tighten the oil level indicator tube bracket bolt to 21 N.m (15 lb ft).