- Remove the engine from the engine stand.
- Slowly install the engine into the engine compartment aligning the engine
mounts with the brackets.
- When the engine mounts are aligned, install the engine mounts, putting
the mount up through the engine mount brackets before inserting into the chassis
mount brackets.
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.
- Lower the engine onto the mounts and install the upper engine mount nuts.
Tighten
Tighten the nuts to 70 N·m (51 lb ft).
- Remove the engine hoist.
- Lay the radiator into the radiator support, but do not install the radiator
completely.
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Install all of the lower bell housing bolts, excluding the top four.
- Remove the two through bolts securing the transmission support.
- Lower the transmission.
- Install the top four bell housing bolts.
Tighten
Tighten all eleven bell housing bolts to 50 N·m (37 lb ft).
- Raise the transmission.
- Install the transmission support. Refer to
Transmission Support Replacement
in Frame and Underbody.
- Install the 3 torque converter bolts.
Tighten
Tighten the torque converter bolts to 60 N·m (44 lb ft).
- Install the torque converter bolt cover.
- Install the fuel tank shield, if removed. Refer to
Fuel Tank Shield Replacement
in Frame and Underbody.
- Install the engine protection shield. Refer to
Engine Protection Shield Replacement
.
- Install the propeller shaft to the front axle pinion yoke. Refer to
Front Propeller Shaft Replacement
in Propeller Shaft.
- Connect the exhaust pipe to the manifold
and secure the pipe with the bolts.
Tighten
Tighten the exhaust pipe bolts to 50 N·m (37 lb ft).
- Connect the oil level switch electrical connector.
- Connect the oil pressure sensor electrical connector.
- Install the oil pan drain plug.
Tighten
Tighten the plug to 26 N·m (19 lb ft).
- Install the lower radiator hose (1).
- Install the left and right wheel drive shafts. Refer to
Wheel Drive Shaft Replacement
in Wheel Drive Shafts.
- Lower the vehicle.
- Install the 4 grounds on the left side
of the block (1).
- Install the camshaft sensor electrical connectors.
- Install the crankshaft sensor electrical connector.
- Install the knock sensor electrical connector.
- Install the generator electrical connector
and battery lead (1).
Tighten
Tighten the generator battery lead nut to 9 N·m (80 lb in).
- Install the A/C pressure sensor and clutch electrical connector.
- Install starter electrical connectors and
battery lead (1).
Tighten
Tighten the starter battery lead to 9 N·m (80 lb in).
- Install the fuel lines at the fuel pressure regulator. Refer to
Fuel Pressure Regulator Replacement
in Engine Controls
- 4.2L.
- Install the engine harness bracket and bolt.
Tighten
Tighten the engine harness bracket bolt to 50 N·m (37 lb ft).
- Install the front differential vent hose, to the engine harness bracket.
- Install all the harnesses to the engine harness bracket.
- Install the PCM. Refer to
Powertrain Control Module Replacement
in Engine Controls - 4.2L.
- Install the power brake hose at booster
- Install the harness retainer (1)
to the original location.
- Install the ignition coil harness electrical connectors.
- Clip the transmission cooler lines to the
right side of the engine block.
- Connect the camshaft phaser actuator valve electrical connector.
- Connect the front axle actuator electrical connector.
- Connect the A/C line at the accumulator.
- Install the oxygen sensor electrical connector.
- Remove the lift hook J 44220
.
- Install the AIR adapter and secure the
adapter with the studs.
Tighten
Tighten the AIR adapter studs to 25 N·m (18 lb ft).
- Install the transmission filler tube bracket
to AIR adapter stud and secure the bracket with the nut.
Tighten
Tighten the nut to 10 N·m (89 lb in).
- Install the heater hoses to the heater core. Refer to
Heater Inlet Hose Replacement
and
Heater Outlet Hose Replacement
in Heating, Ventilation, and Air Conditioning.
- Install the power steering pump.
- Install the power steering pump bolts.
Tighten
Tighten the bolts to 25 N·m (18 lb ft).
- Install the drive belt. Refer to
Drive Belt Replacement
.
- Install cooling fan and shroud, tilting the radiator forward for clearance.
- Finish installing the radiator. Refer to
Radiator Replacement
in Engine Cooling.
- Install transmission cooler lines together.
- Install map Sensor. Refer to
Manifold Absolute Pressure Sensor Replacement
in Engine Controls - 4.2L.
- Install the throttle body. Refer to
Throttle Body Assembly Replacement
in Engine Controls - 4.2L.
- Install the hood latch. Refer to
Hood Latch Support Replacement
in Body Front End.
- Install the head lamp housing. Refer to
Headlamp Housing Panel Replacement
in Body Front End.
- Install the grill. Refer to
Grille Replacement
in Exterior Trim.
- Install the air intake baffle. Refer to
Air Intake Baffle Replacement - Radiator
in Engine Controls - 4.2L.
- Install the washer solvent container. Refer to
Windshield Washer Solvent Container Replacement
in Wipers/Washer Systems.
- Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 4.2L.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Install the hood. Refer to
Hood Replacement
in Body Front End.
- Service the engine oil.
- Fill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Recharge the refrigerant. Refer to
Refrigerant Recovery and Recharging
in Heating, Ventilation and Air Conditioning.
- Perform the CKP system variation learn procedure. Refer to
Crankshaft Position System Variation Learn
in Engine Controls
- 4.2L.
| Important: After an overhaul, the engine should be tested. Use the following procedure
after the engine is installed in the vehicle.
|
• | Disable the ignition system. |
• | Crank the engine several times. Listen for unusual noises or evidence
that parts are binding. |
• | Enable the ignition system. |
• | Start the engine and listen for unusual noises. |
• | Check the vehicle oil pressure gage or light and confirm that the engine
has acceptable oil pressure. |
• | Run the engine speed at about 1000 RPM until the engine has reached
normal operating temperature. |
• | Listen for a sticking lifter and other unusual noises. |
• | Inspect for fuel, oil and/or coolant leaks while the engine is running. |
• | Perform a final inspection for the proper engine oil and coolant levels. |
- Install the hood. Refer to
Hood Replacement
in Body Front End.