Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Ensure the O-ring Discard the O-ring seal is properly positioned to the switchover valve.

Fig 1: Identifying Intake Plenum Switchover Valve Bolts

Courtesy of GENERAL MOTORS CORP.

Install the intake plenum switchover valve with O-ring seal into the intake plenum.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the intake plenum switchover valve bolts.
Tighten: Tighten the intake plenum switchover valve bolts to 8 N.m (71 lb in).
Connect the vacuum hose to the intake plenum switchover valve.
Install the intake plenum. Refer to Intake Plenum Replacement in Engine Mechanical-2.6L and 3.2L.