Engine Front Cover Installation

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Pressure Relief Valve O-Ring

Courtesy of GENERAL MOTORS CORP.

Install the relief valve O-ring to the engine front cover.
Lubricate the O-ring with engine oil.

Fig 2: Determining Sealant Bead Dimensions

Courtesy of GENERAL MOTORS CORP.

Apply a 2-3 mm wide and 0.5-1.5 mm high bead of GM P/N 12378521 (Canadian P/N 88901148) sealant to the mating surfaces of the engine front cover.

Fig 3: View Of Engine Front Cover

Courtesy of GENERAL MOTORS CORP.

Install the engine front cover.

NOTE: Refer to Fastener Notice .

Install the engine front cover bolts.
Tighten: Tighten the engine front cover bolts to 25 N.m (18 lb ft).

Fig 4: View Of CKP Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Install a new O-ring to the crankshaft position sensor spacer.
Lubricate the O-ring with engine oil.
Install the crankshaft position sensor spacer.
Install the crankshaft position sensor spacer bolts.
Tighten: Tighten the crankshaft position sensor spacer bolts to 10 N.m (89 lb in).
Install a new O-ring to the crankshaft position sensor.
Lubricate the O-ring with engine oil.
Install the crankshaft position sensor.
Install the crankshaft position sensor bolt.
Tighten: Tighten the crankshaft position sensor bolt to 10 N.m (89 lb in).