Air Injection Check Valve Installation

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install the air injection check valve pipe adapters, rear.
Tighten

Tighten the air injection check valve pipe adapters to 30 N.m (22 lb ft).

Fig 1: Installing Air Injection Check Valve Pipe Adapters (Rear)
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve pipe adapters, front.
Tighten

Tighten the air injection check valve pipe adapters to 30 N.m (22 lb ft).

Fig 2: Installing Air Injection Check Valve Pipe Adapters (Front)
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve rear bracket and nuts.
Tighten

Tighten the air injection check valve rear bracket nuts to 25 N.m (18 lb ft).

Fig 3: Installing Air Injection Check Valve Rear Bracket And Nuts
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve front bracket, bolt and nut.
Tighten

Tighten the air injection check valve front bracket bolt and nut to 25 N.m (18 lb ft).

Fig 4: Installing Air Injection Check Valve Front Bracket, Bolt And Nut
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve rear.
Tighten

Tighten the air injection check valve to 20 N.m (15 lb ft).
Install air injection check valve nut, rear.
Tighten

Tighten the air injection check valve nut rear to 10 N.m (89 lb in).

Fig 5: Installing Air Injection Check Valve And Nut (Rear)
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve front.
Tighten

Tighten the air injection check valve front to 20 N.m (15 lb ft).
Install air injection check valve nut front.
Tighten

Tighten the air injection check valve nut to 10 N.m (89 lb in).

Fig 6: Installing Air Injection Check Valve And Nut (Front)
Courtesy of GENERAL MOTORS CORP.
Install air injection solenoid switch and bolt.
Tighten

Tighten the air injection solenoid switch bolt to 10 N.m (89 lb in).

Fig 7: Installing Air Injection Solenoid Switch And Bolt
Courtesy of GENERAL MOTORS CORP.
Install air injection check valve pipe, clamps, and bolt.
Tighten

Tighten the air injection check valve pipe bolt to 10 N.m (89 lb in).

Fig 8: Installing Air Injection Check Valve Pipe, Clamps And Bolt
Courtesy of GENERAL MOTORS CORP.
Install air injection vacuum hose.

Fig 9: Installing Air Injection Vacuum Hose
Courtesy of GENERAL MOTORS CORP.