Installation Procedure
NOTE:
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.
- Install the lower heat insulator to the exhaust manifold. Secure the insulator using 3 bolts.
Tighten
Tighten the lower heat insulator bolts to 15 N.m (11 ft lbs).
- Install the following components:
- The new exhaust manifold gasket
- The exhaust manifold
- Secure the manifold using 5 exhaust manifold nuts (1).
Tighten
Tighten the exhaust manifold nuts to 48 N.m (36 ft lbs).
- Install the upper heat insulator. Secure the insulator using 6 bolts.
Tighten
Tighten the upper heat insulator bolts to 15 N.m (11 ft lbs).
- Raise and properly support the vehicle.
- Install 1 bolt (1) to the exhaust manifold support bracket.
Tighten
Tighten the exhaust manifold bracket bolt to 32 N.m (24 ft lbs).
- Install the front exhaust pipe to the manifold flange.
Use the following components in order to secure the front exhaust pipe.
- 2 bolts
- 2 springs
Tighten
Tighten the front exhaust pipe bolts to 62 N.m (46 ft lbs).
- Install the following components to the front exhaust pipe:
- The new oxygen sensor gasket
- The oxygen sensor
- Secure the heated oxygen sensor using 2 nuts.
Tighten
Tighten the heated oxygen sensor nuts to 41 N.m (30 ft lbs).
- Connect the (HO2S1) electrical connector.
- Connect the negative battery cable.
Tighten
Tighten the battery cable bolt to 15 N.m (11 ft lbs).