Exhaust Pipe Replacement - Left Side 6.6L Engine
Removal Procedure
- Remove the turbocharger
exhaust pipe. Refer to
Turbocharger Exhaust Pipe Replacement
.
The turbocharger exhaust pipe does not
need to be removed from the vehicle in order to remove the left exhaust pipe.
Reposition the turbocharger exhaust pipe out of the way.
- Remove the exhaust heat shield nuts (2) heat shield (3) from the
dash panel.
- Remove left exhaust pipe
heat shield bolts.
- Reposition the heat shield to the side in order to access the
exhaust manifold to exhaust pipe bolts.
Do not remove the heat
shield at this time.
- Remove the exhaust manifold
to exhaust pipe bolts (2).
- Remove and discard the gasket.
- Lower the vehicle.
- Remove the exhaust pipe heat shield. The shield will remove from
the top of the engine.
- Remove the exhaust pipe bolts (1) from the turbocharger.
- Remove the exhaust pipe with the gasket.
- Clean the exhaust pipe.
- Clean the exhaust pipe mating surfaces.
- Inspect the exhaust pipe for dents and cracks.
- Replace the exhaust pipe if any damage is found.
Installation Procedure
- Install the
exhaust pipe with a NEW gasket to the turbocharger. Align the tab on the
gasket at the turbocharger to face inward.
To aid in installation
temporarily install an exhaust pipe to exhaust manifold bolt.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the exhaust pipe to turbocharger bolts (1).
Tighten
Tighten the exhaust pipe to turbocharger bolts to 53 N·m
(39 lb ft).
- Install the exhaust pipe heat shield but do not install the bolts.
- Raise the vehicle.
- Install the exhaust pipe with a NEW gasket to the exhaust manifold.
Align the tabs on the gasket to face outward.
- Install the exhaust pipe to exhaust manifold bolts (2).
Tighten
Tighten the exhaust pipe to exhaust manifold bolts to 53 N·m
(39 lb ft).
- Install the exhaust pipe
heat shield bolts.
Tighten
Tighten the exhaust pipe heat shield bolts to 8 N·m (71 lb in).
- Install the left side
exhaust heat shield (3) at the dash panel.
- Install the heat shield nuts (2).
Tighten
Tighten the heat shield nuts to 9 N·m (80 lb in).
- Install the turbocharger exhaust pipe. Refer to
Turbocharger Exhaust Pipe Replacement
.