Exhaust Manifold Pipe Replacement 6.0L - Cab/Chassis

1. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 .
2. Support the transmission with a suitable transmission jack.
3. Remove the transmission mount to transmission support nuts.
4. Using the transmission jack, raise the transmission up off of the transmission support.



5. Remove the transmission support crossmember bolts.
6. Remove the transmission support crossmember.



7. Remove the exhaust muffler to exhaust manifold pipe nuts (1).



8. Remove the exhaust manifold pipe to exhaust manifold nuts.
9. Using the transmission jack, lower the transmission slightly.
10. Separate any necessary exhaust muffler insulators so that the pipe may be separated from the muffler.



11. Remove the exhaust manifold pipe.
12. Discard the exhaust manifold pipe gasket.

1. Install a NEW exhaust manifold pipe gasket onto the muffler studs.
2. Install the exhaust manifold pipe.



3. Install any necessary exhaust muffler insulators that were separated from the muffler.
4. Using the transmission jack, raise the transmission slightly.

Notice: Refer to Fastener Notice in the Preface section.

5. Install the exhaust manifold pipe to exhaust manifold nuts.

Tighten
Tighten the nuts to 50 N·m (37 lb ft).




6. Install the exhaust muffler to exhaust manifold pipe nuts (1).

Tighten
Tighten the nuts to 45 N·m (33 lb ft).




7. Position the transmission support crossmember.
8. Install the transmission support crossmember bolts.

Tighten
Tighten the bolts to 95 N·m (70 lb ft).




9. Using the transmission jack, lower the transmission onto the transmission support.
10. Install the transmission mount to transmission support nuts.

Tighten
Tighten the nuts to 40 N·m (30 lb ft).

11. Remove the support from the transmission.
12. Install the HO2S. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 .