Below 8600 Lb (GVWR)

REMOVAL PROCEDURE




1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.
2. Disconnect the oxygen sensor electrical connections.




3. Remove the nuts from the Y-pipe flat flange.




4. Remove the nuts, the studs and the flange seals from the Y-pipe and the exhaust manifold.
5. Remove the Y-pipe and the catalytic converter assembly.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.




1. Install the new flange seals to the connecting the Y-pipe, catalytic converter assembly at the exhaust manifold.
2. Install the studs into the exhaust manifold.

Tighten
Tighten the studs to 22 N.m (16 lb ft).

3. Install the nuts to the studs in the exhaust manifold.

Tighten
Tighten the nuts to 64 N.m (47 lb ft).




4. Position the Y-pipe and the catalytic converter assembly to the flat flange.




5. Install the nuts to the flat flange studs.

Tighten
Tighten the nuts to 64 N.m (47 lb ft).




6. Connect the oxygen sensor electrical connections.
7. Check for clearance and alignment.
8. Lower the vehicle.