Removal Procedures
- Disconnect the negative
battery cables.
- Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Remove the engine cover from the vehicle. Refer to
Engine Cover Replacement
in Body and Accessories.
- Remove the air cleaner from the vehicle. Refer to
Air Cleaner Assembly Replacement
in Engine Controls-6.5L.
- Remove the air intake duct from the turbocharger.
- Remove the transmission
oil level indicator and tube from the upper intake manifold.
- Remove the fan shroud from the radiator. Refer to
Fan Shroud Replacement
in Engine Cooling.
- Remove the drive belt from the pulleys. Refer to
Drive Belt Replacement
.
- Remove the engine cooling fan from the water pump pulley. Refer
to
Fan Clutch Replacement
in Engine Cooling.
- Remove the left accessory bracket from the engine block. Refer
to
Accessory Brackets Replacement
.
- Remove the vacuum pump from the right accessory bracket. Refer
toVacuum Pump Replacement
.
- Remove the right accessory bracket from the engine block. Refer
to
Accessory Brackets Replacement
.
- Remove the heater hoses from the thermostat housing.
- Remove the oil level indicator tube from the engine assembly.
Refer to
Oil Level Indicator and Tube Replacement
.
- Remove the thermostat housing crossover from the cylinder heads.
- Remove the upper intake manifold from the lower intake manifold.
Refer to
Intake Manifold Replacement
.
- Remove the turbocharger from the engine block. Refer to
Turbocharger Replacement
.
- Remove the lower intake manifold from the cylinder heads. Refer
to
Intake Manifold Replacement
.
- Remove the front lower
cylinder head bolt (5) and drain the coolant from the engine block.
19.1. | Insert a cooper tube (3/8 inch x 12 to 18 inch long) and a hose
into bolt hole (5) |
19.2. | Siphon coolant from the engine block |
- Remove the valve rocker arm covers from the cylinder heads. Refer
to
Valve Rocker Arm Cover Replacement
.
- Remove the valve rocker arms, shafts, and push rods from the cylinder
heads. Refer to
Valve Rocker Arm, Shaft, and Push Rod Replacement
- Remove the exhaust manifolds from the cylinder heads. Refer to
Exhaust Manifold Replacement
.
- Remove the cooper tube used as a siphon from the cylinder head.
- Remove the remaining cylinder
head bolts from the cylinder heads in sequence.
- Remove the cylinder heads from the engine block.
- Remove the cylinder head
gasket from the engine block.
- Disassemble the cylinder heads. Refer to Cylinder Head Disassemble
.
Installation Procedures
- Assemble the cylinder
heads. Refer to
Cylinder Head Assemble
.
- Install the cylinder head gasket to the engine block.
- Install the cylinder heads
to the engine block.
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 cylinder
head bolts and tighten in sequence in four passes.
Tighten
- Tighten the bolts to 25 N·m (20 lb ft).
- Tighten the bolts to 75 N·m(55 lb ft).
- Retighten the bolts to 75 N·m(55 lb ft).
- In sequence, tighten all bolts an additional 90 to 100 degrees
(¼+ turn).
- Install the exhaust manifolds to the cylinder heads. Refer to
Exhaust Manifold Replacement
.
- Install the valve rocker arms, shafts, and push rods to the cylinder
heads. Refer to
Valve Rocker Arm, Shaft, and Push Rod Replacement
.
- Install the valve rocker arm covers to the cylinder heads. Refer
to
Valve Rocker Arm Cover Replacement
.
- Install the lower intake manifold to the cylinder heads. Refer
to
Intake Manifold Replacement
.
- Install the turbocharger to the engine block. Refer to
Turbocharger Replacement
.
- Install the upper intake manifold to the lower intake manifold.
Refer to
Intake Manifold Replacement
.
- Install the thermostat housing coolant crossover to the cylinder
heads.
- Install the transmission
indicator and tube to the engine block.
- Install the oil level indicator tube to the engine block. Refer
to
Oil Level Indicator and Tube Replacement
.
- Install the heater hoses to the thermostat housing.
- Install the right accessory bracket to the engine block. Refer
to
Accessory Brackets Replacement
.
- Install the vacuum pump to the right accessory bracket. Refer
to Vacuum Pump Replacement
.
- Install the left accessory
bracket to the engine block. Refer to
Accessory Brackets Replacement
.
- Install the engine cooling fan on the water pump pulley. Refer
to
Fan Clutch Replacement
in Engine Cooling.
- Install the drive belt on the pulleys. Refer to
Drive Belt Replacement
.
- Install the fan shroud on the radiator. Refer to
Fan Shroud Replacement
in Engine Cooling.
- Install the air intake
duct to the turbocharger.
- Install the air cleaner assembly in the vehicle. Refer to
Air Cleaner Assembly Replacement
in Engine Controls-6.5L.
- Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Connect the battery negative cables to the batteries.
- Install the engine cover in the vehicle. Refer to
Engine Cover Replacement
in Body and Accessories.