REMOVAL & INSTALLATION

Except 3.3L Engine

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   • Negative battery cable
   • Front Oxygen sensor (O2S) electrical connector
   • Front under cover, if equipped
   • Rear O2S electrical connector, on California vehicles
   • Rear O2S sensor electrical connector on all vehicles, except California
   • Y-pipe-to-rear pipe mounting nuts and separate the Y-pipe from the rear pipe
   • Bolts that secure the front Y-pipe to the cylinder head
   • Y-pipe from the hanger bracket
   • Front exhaust pipe from the catalytic converter and discard the gaskets

   To install:

3. Clean all gasket surfaces completely.
4. Install or connect the following:
   • New gaskets
   • Front catalytic converter to front exhaust pipe. Tighten the bolts to 18.8–26 ft. lbs. (25–35 Nm).
   • Y-pipe. Temporarily tighten the bolt which holds the center exhaust pipe to the hanger bracket.
   • Y-pipe, to the cylinder head. Tighten the retainers to 18.8–26 ft. lbs. (25–35 Nm).
   • Y-pipe to the rear pipe. Tighten the retainers to 9.4–16.6 ft. lbs. (13–23 Nm).
5. Tighten the center exhaust pipe to hanger bracket bolt to 22.4–29.6 ft. lbs. (30–40 Nm).
   • Rear O2S sensor electrical connector, on all except California models
   • Rear O2S sensor electrical connector, on California models
   • Front O2S sensor electrical connector
   • Front under cover, if equipped
   • Negative battery cable
6. Start the engine and check for exhaust leaks.

3.3L Engine

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   • Negative battery cable
   • Oxygen sensor (O2S) electrical harness
   • Front undercover
   • Bolts securing the exhaust manifold covers and remove
   • Front pipe-to-exhaust manifold mounting nuts
   • Exhaust Gas Recirculation (EGR) pipe from the right exhaust manifold
   • Exhaust manifold mounting nuts and the exhaust manifold
3. Clean all gasket material from both mating surfaces.

   To install:

4. Install or connect the following:
   • New gaskets
   • Exhaust manifold. Tighten the secure with the mounting nuts to 25–33 ft. lbs. (32–43 Nm).
   • EGR pipe to the right manifold
   • Exhaust pipe to the exhaust manifold. Tighten the mounting nuts to 22–29 ft. lbs. (29–38 Nm).
   • Exhaust manifold covers. Tighten the cover mounting bolts to 13–15 ft. lbs. (17–19 Nm).
   • Front under cover
   • O2S sensor electrical harness
   • Negative battery cable
5. Start the engine and check for exhaust leaks.