Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

If replacing the right exhaust manifold install the heated oxygen (HO2S) sensor. Refer to HEATED OXYGEN SENSOR .

Fig 1: Heated Oxygen (HO2S) Sensor
Courtesy of GENERAL MOTORS CORP.
Install the right exhaust manifold gasket.
Install the right exhaust manifold.
NOTE: Refer to FASTENER NOTICE .
Install the right exhaust manifold nuts.
Tighten

Tighten the right exhaust manifold bolts to 16 N.m (12 lb ft).

Fig 2: Right Exhaust Manifold, Gasket & Nuts
Courtesy of GENERAL MOTORS CORP.
Install the right exhaust manifold lower heat shield.
Install the right exhaust manifold lower heat shield bolts.
Tighten

Tighten the right exhaust manifold lower heat shield bolts to 10 N.m (89 lb in).

Fig 3: Right Exhaust Manifold Lower Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.
Install the right exhaust manifold upper heat shield.
Install the right exhaust manifold upper heat shield bolts.
Tighten

Tighten the right exhaust manifold upper heat shield bolts to 10 N.m (89 lb in).

Fig 4: Right Exhaust Manifold Upper Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.
Install the exhaust gas recirculation (EGR) tube to the right exhaust manifold. Refer to EGR VALVE PIPE .

Fig 5: Exhaust Gas Recirculation (EGR) Tube
Courtesy of GENERAL MOTORS CORP.
Install the catalytic converter. Refer to Catalytic Converter Replacement (3.1L) or Catalytic Converter Replacement (3.8L) .
Lower the vehicle.
Install the exhaust crossover pipe nuts to the right exhaust manifold.
Tighten

Tighten the exhaust crossover pipe nuts to 25 N.m (18 lb ft).

Fig 6: Exhaust Crossover Pipe & Nuts
Courtesy of GENERAL MOTORS CORP.
Install the exhaust crossover pipe heat shield.
Install the exhaust crossover pipe heat shield bolts.
Tighten

Tighten the exhaust crossover pipe heat shield bolts to 10 N.m (89 lb in).

Fig 7: Exhaust Crossover Pipe Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.
Connect the heated oxygen (HO2S) sensor electrical connector.

Fig 8: Heated Oxygen (HO2S) Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Install the ignition control module and the ignition control module bracket. Refer to IGNITION CONTROL MODULE .
Install the manifold absolute pressure (MAP) sensor. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR .
Return the engine to the original position.
Install the accelerator and cruise control cables with the bracket to the throttle body. Refer to
Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT .
Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .