Oil Pan Installation

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

Fig 1: Applying Sealer To Steel Windage Tray Gasket

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: For aluminum oil pans, begin with step 4. For steel oil pans, skip steps 4 and 5.

For steel oil pans, apply a continuous bead 6.35 mm (0.25 in) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148) to the topside of the new windage tray gasket. Apply the RTV sealant directly over the sealing bead.
Install the NEW windage tray gasket onto the engine.

Fig 2: Applying Sealer To Bottom Side Windage Tray Gasket

Courtesy of GENERAL MOTORS CORP.

Apply a continuous bead 6.35 mm (0.25 in) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148) to the bottom side of the new windage tray gasket. Apply the RTV sealant directly over the sealing bead.

Fig 3: Additional Windage Tray Gasket Sealer Locations

Courtesy of GENERAL MOTORS CORP.

For aluminum oil pans, apply a continuous bead 6.35 mm (0.25 in) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148), ensuring that the sealer also completely fills the groove in the oil pan.
To ensure proper sealing, apply additional sealer at the four points called out in the illustration (1).

Fig 4: Oil Pan, Gasket & Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the oil pan bolts.
Tighten: Tighten the oil pan bolts to 14 N.m (125 lb in).

Fig 5: Oil Pan & Oil Level Sensor

Courtesy of GENERAL MOTORS CORP.

Install the oil level sensor.
Tighten: Tighten the oil level sensor to 20 N.m (15 lb ft).