Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important: Do not reuse the valve cover gasket or the valve rocker arm cover bolt grommets.

Install the NEW valve rocker arm cover gasket into the groove of the valve rocker arm cover.
Install the NEW valve rocker arm cover bolt grommets into the valve rocker arm cover.

Fig 1: View of Valve Rocker Arm Cover
Courtesy of GENERAL MOTORS CORP.
Install the valve rocker arm cover onto the cylinder head.

Fig 2: Installing Valve Rocker Arm Cover to Cylinder Head
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the valve rocker arm cover bolts.
Tighten

Tighten the valve rocker arm cover bolts to 12 N.m (106 lb in).

Fig 3: Identifying Valve Rocker Arm Cover Bolts
Courtesy of GENERAL MOTORS CORP.
Install the radiator inlet hose to the water outlet housing. Refer to RADIATOR HOSE REPLACEMENT - INLET (4.3L) in Engine Cooling.
Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
Install the PCV valve hose assembly to the valve rocker arm cover.

Fig 4: Installing PCV Valve Hose
Courtesy of GENERAL MOTORS CORP.
Connect the ECT sensor electrical connector.

Fig 5: View of ECT Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Install air cleaner outlet duct.

Fig 6: View of MAF Sensor
Courtesy of GENERAL MOTORS CORP.
Connect the breather tube to the air cleaner outlet duct.

Fig 7: Connecting Breather Tube to Air Cleaner Outlet Duct
Courtesy of GENERAL MOTORS CORP.