Turbocharger Exhaust Pipe Replacement 6.6L (LLY) Engine

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Loosen the exhaust manifold pipe clamp.
3. Slide the exhaust pipe clamp up onto the exhaust pipe.



4. Remove the exhaust muffler nuts.



5. Slide the exhaust manifold pipe hanger out from the insulator.
6. Remove the exhaust manifold pipe.



7. If equipped with an automatic transmission, remove the transmission fluid fill tube to bellhousing nuts.
8. Position the transmission fluid fill tube to the right side of the vehicle. The tube does not require removal from the transmission.
9. Lower the vehicle.



10. Move the hood to the service position by moving the hood hinge bolts (1) to the service position (2).
11. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement in Engine Mechanical - 6.6L (LLY).



12. Remove the turbocharger upper heat shield bolts.
13. Remove the turbocharger upper heat shield.



14. Remove the exhaust outlet heat shield bolts.
15. Remove the exhaust outlet heat shield.
16. Remove the exhaust outlet to right exhaust pipe bracket bolt.



17. Loosen the exhaust outlet pipe clamp.



18. Remove the exhaust outlet pipe.

1. Install the exhaust outlet pipe.

Notice: Refer to Fastener Notice in the Preface section.




2. Tighten the exhaust outlet pipe clamp.

Tighten
Tighten the clamp to 15 N·m (11 lb ft).




3. Install the exhaust outlet to right exhaust pipe bracket bolt.

Tighten
Tighten the bolt to 34 N·m (25 lb ft).

4. Install the exhaust outlet heat shield.
5. Install the exhaust outlet heat shield bolts.

Tighten
Tighten the bolts to 8 N·m (71 lb in).




6. Install the turbocharger upper heat shield.
7. Install the turbocharger upper heat shield bolts.

Tighten
Tighten the bolts to 9 N·m (80 lb in).

8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement in Engine Mechanical - 6.6L (LLY).



9. Remove the hood hinge bolts (1) from the service position (2) and position the hood in the normal position.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).

10. Raise the vehicle.



11. If equipped with an automatic transmission, position the transmission fluid fill tube to the studs.
12. Install the transmission fluid fill tube to bellhousing nuts.

Tighten
Tighten the nuts to 18 N·m (13 lb ft).




13. Install the exhaust manifold pipe.
14. Slide the exhaust manifold pipe hanger into the insulator.



15. Install the exhaust muffler nuts until snug.



16. Slide the exhaust pipe clamp down onto the exhaust pipe.
17. Tighten the exhaust manifold pipe clamp.

Tighten

•	Tighten the clamp to 15 N·m (11 lb ft).

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

18. Lower the vehicle.