Turbocharger Exhaust Pipe Replacement

Turbocharger Exhaust Pipe Replacement (6.6L)

Removal Procedure

1. Remove the transmission. Refer to Transmission Replacement (Service and Repair).




2. Remove the glow plug control module and both brackets. Refer to Glow Plug Control Module Replacement (Service and Repair).
3. Remove the exhaust gas recirculation (EGR) valve cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).
4. Remove the turbocharger upper heat shield bolts and shield.




5. Loosen the turbocharger exhaust pipe to turbocharger clamp bolt (1).
6. Remover the catalytic converter. Refer to Catalytic Converter Replacement (LY6 with Exhaust Flange) (Service and Repair)Catalytic Converter Replacement (L9H with Exhaust Flange) (Service and Repair)Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp) (Service and Repair)Catalytic Converter Replacement (LFA with Exhaust Clamp) (Service and Repair)Catalytic Converter Replacement (LMM) (Service and Repair).




7. Perform the following steps working through the wheelhouse opening, 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. Remove the turbocharger exhaust pipe heat shield bolts and shield.




10. Remove the turbocharger exhaust pipe to bracket bolt (1).
11. Remove the turbocharger exhaust pipe.

Installation Procedure




1. Install the turbocharger exhaust pipe into the clamp and position the pipe flat against the turbocharger.
2. Loosely install the turbocharger exhaust pipe to bracket bolt (1).





Caution: Refer to Fastener Caution (Fastener Caution).

3. Position the turbocharger exhaust pipe heat shield and install the heat shield bolts.

Tighten the bolts to 10 Nm (89 lb ft).




4. Position the transmission fluid fill tube.
5. Install the transmission fluid fill tube to bellhousing nuts.

Tighten the nuts to 18 Nm (13 lb ft).





Note: Prior to tightening the turbocharger exhaust clamp, ensure that the turbocharger exhaust pipe is inserted into the clamp.

6. Tighten the turbocharger exhaust pipe to turbocharger clamp bolt (1).

Tighten the bolt to 15 Nm (11 lb ft).

7. Install the catalytic converter. Refer to Catalytic Converter Replacement (LY6 with Exhaust Flange) (Service and Repair)Catalytic Converter Replacement (L9H with Exhaust Flange) (Service and Repair)Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp) (Service and Repair)Catalytic Converter Replacement (LFA with Exhaust Clamp) (Service and Repair)Catalytic Converter Replacement (LMM) (Service and Repair).
8. Tighten the turbocharger exhaust pipe to bracket bolt.

Tighten the bolt to 34 Nm (25 lb ft).




9. Install the turbocharger upper heat shield and bolts.

Tighten the bolts to 10 Nm (89 lb in).

10. Install the EGR valve cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).
11. Install the glow plug control module and both brackets. Refer to Glow Plug Control Module Replacement (Service and Repair).
12. Install the transmission. Refer to Transmission Replacement (Service and Repair).