For 1990-2009 cars

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1. Install new exhaust manifold studs.

Tighten
Tighten the studs to 10 N·m (89 lb in).

2. Install the exhaust manifold gasket.
3. Install the exhaust manifold to the cylinder head.
4. Install NEW exhaust manifold to cylinder head retaining nuts finger tight.
5. Tighten the NEW exhaust manifold to cylinder head retaining nuts in sequence.

Tighten
Tighten the nuts to 14 N·m (124 lb in).

6. Coat the threads of the oxygen sensor with antiseize compound P/N 12397953.
7. Install the oxygen sensor.

Tighten
Tighten the oxygen sensor to 30 N·m (22 lb ft).

8. Install the block heater and bolt, if equipped.

Tighten
Tighten the bolt to 10 N·m (89 lb in).

9. Install the exhaust manifold heat shield.
10. Install the exhaust manifold heat shield bolts.

Tighten
Tighten the bolts to 23 N·m (17 lb ft).