Exhaust Y-Pipe - Stripped Chassis

Exhaust Y-Pipe - Stripped Chassis

Removal and Installation

NOTE: Exhaust fasteners are of a prevailing torque design. Use only new fasteners with the same part number as the original. Torque values must be used as specified during reassembly to make sure of correct retention of exhaust components.

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Support the muffler and tail pipe assembly and catalytic converter with a safety stand.

3. Release the front muffler and tail pipe assembly and (if equipped, the extension pipe) isolators.

4. Remove the 3 exhaust Y-pipe-to-catalytic converter nuts and discard. Remove the exhaust Y-pipe-to-catalytic converter support bracket.
- To install, tighten the new nuts to 40 Nm (30 lb-ft).

5. Position the catalytic converter and muffler and tail pipe assembly rearward from the exhaust Y-pipe and discard the gasket.

6. Disconnect the Heated Oxygen Sensor (HO2S) and the Catalyst Monitor Sensor (CMS) electrical connectors.

7. NOTE: LH shown, RH similar.

Remove the 2 LH and 1 RH heat shield-to-crossmember bolts.

- To install, tighten to 10 Nm (89 lb-in).





8. Remove the 2 crossmember-to-rear transmission mount nuts.
- To install, tighten to 95 Nm (70 lb-ft).





9. Support the rear of the transmission with a safety stand.

10. NOTE: RH shown, LH similar.

Remove the 2 RH and 2 LH transmission crossmember-to-frame nuts and 4 bolts and remove the transmission crossmember.

- To install, tighten to 81 Nm (60 lb-ft).





11. Remove the 4 exhaust Y-pipe-to-exhaust manifold nuts and discard. Remove the exhaust Y-pipe.
- To install, tighten the new upper exhaust Y-pipe-to-exhaust manifold nuts to 40 Nm (30 lb-ft) then tighten the new lower exhaust Y-pipe-to-exhaust manifold nuts to 40 Nm (30 lb-ft).

12. To install, reverse the removal procedure.