Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Apply a 2-3 mm (0.79-0.118 in) by 0.5-1.5 mm (0.02-0.06 in ) wide bead of sealant GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the lower oil pan mating surface.

Fig 1: Determining Sealant Bead Dimensions

GM663817

Courtesy of GENERAL MOTORS CORP.

Install the lower oil pan.
Install the lower oil pan bolts/nuts.

Fig 2: View Of Lower Oil Pan & Bolts/Nuts

GM1334845

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the oil pan bolts/nuts in the sequence shown.
Tighten: Tighten the bolts/nuts to 10 N.m (89 lb in).

Fig 3: Lower Oil Pan & Bolts/Nuts Tightening Sequence

GM793979

Courtesy of GENERAL MOTORS CORP.

Connect the oil level sensor electrical connector.

Fig 4: View Of Oil Level Sensor Electrical Connector

GM1334843

Courtesy of GENERAL MOTORS CORP.

If equipped with a 2WD, install the crossmember and bolts.
Tighten: Tighten the bolts to 100 N.m (74 lb ft).

Fig 5: View Of Crossbar Bolts & Bar (2WD)

GM328107

Courtesy of GENERAL MOTORS CORP.

If equipped with a 4WD, install the crossmember and bolts.
Tighten: Tighten the bolts to 100 N.m (74 lb ft).

Fig 6: View Of Crossmember Bolts & Bar (4WD Only)

GM487521

Courtesy of GENERAL MOTORS CORP.

Install the oil pan skid plate and bolts, if equipped.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).

Fig 7: Identifying Oil Pan Skid Plate

GM309158

Courtesy of GENERAL MOTORS CORP.

Install NEW engine oil and a oil filter. Refer to Engine Oil and Oil Filter Replacement .
Lower the vehicle.