Engine Removal for Chrysler?

3.5L & 4.0L Engines Replacing Procedure for Chrysler Pacifica.

The complete details with diagrams to remove / install engine.

The details are as follows:----

3.5L & 4.0L Engines

1. Drain the engine oil.
2. Drain the engine coolant.
3. Properly relieve the fuel system pressure.
4. Remove or disconnect the following:
   
   
   Negative battery cable

   Hood, as necessary

   Cruise control servo

   Radiator closure panel

   Radiator core support

   Upper radiator hose

   Cooling fan

   Air cleaner assembly
5. Recover the A/C system refrigerant using approved recycling equipment. 
   
   WARNING

   Secure the steering wheel to prevent it rotating which may cause damage to the steering column clock spring.
   
   
   
   
   Throttle and cruise control cable from the throttle body

   Cruise control and power brake booster vacuum hoses from the engine

   Transmission wiring harness from the solenoid pack, input and output sensors and the range sensor connectors

   Engine wiring harness grounds from the inner frame rail

   Transmission shift cable

   Transmission cooler lines

   Engine block heater connector, if equipped

   Coolant reservoir houses from the thermostat housing

   Heater hoses from the heater core

   Upper radiator hoses from the thermostat housing

   Brake lines from the Hydraulic Control Unit (HCU)

   A/C suction discharge hoses from the compressor and plug the openings

   Lower radiator hose from the engine outlet

   A/C clutch connection

   Oil pressure sender and alternator connections

   Fuel supply line from the fuel rail

   Ignition harness connection at the intake manifold

   Front wheel

   Left inner fender well

   Engine harness from the Powertrain Control Module (PCM)

   Left wheel speed sensor and retainer

   Left sway bar link from the strut

   Left drive axle nut

   Both left front steering knuckle pinch bolts

   Left steering knuckle from the strut and support the knuckle

   Negative battery cable from the transmission

   Left fascia screws

   Right inner fender well

   Right fascia screws

   Right wheel speed sensor and retainer

   Right sway bar link from the strut

   Right drive axle nut

   Both right front steering knuckle pinch bolts

   Right steering knuckle from the strut and support the knuckle

   Fascia driving lamps, if equipped

   Front fascia

   Starter connectors and harness retainers

   Oxygen (O ₂ S) sensor electrical wiring at the exhaust manifold and catalytic converter

   Exhaust from the manifold

   Driveshaft after marking the position at the front and rear of the shaft. This will help with installation and retain driveshaft balance.

   Engine-to-transmission plate

   Transmission inspection plate

   Flex plate-to-torque converter bolt 
   
   
   

   Fig. Exploded view of the front cradle assembly-3.5L and 4.0L engines

   
   
   
   

   Fig. Lower steering column coupling assembly-3.5L and 4.0L engines
6. Remove or disconnect the following:
   
   
   Lower steering column coupling pin using tool 6831-A and separate the union

   Both lower engine mount bolts
7. Matchmark using paint the front cradle-to-body location and position the engine cradle support under the vehicle.
   
   
   

   

   Fig. Rear cradle support fixture mounting-3.5L and 4.0L engines
   
   
   
   

   

   Fig. Adjust the cradle support fixture to fit flush with the cradle-3.5L and 4.0L engines
8. Remove or disconnect the following:
9. Lower the vehicle until it is just above the cradle
10. Align the cradle support dowels with cradle access holes and adjust the engine support fixture to fit flush with the oil pan and adjust the cradle support fixture support to fit flush with the cradle.
11. Carefully lower the vehicle onto the cradle.
12. Remove the upper engine mount
13. Very carefully remove the front and rear cradle mounting bolts and raise the vehicle to separate the engine/transmission and cradle from the vehicle.
14. Connect lifting brackets to the engine, separate the Power Transfer Unit (PTU), if equipped.
15. Separate the engine from transmission using the lift brackets.
    
    
    

    

    Fig. Use suitable lift brackets and a hoist assembly to separate the engine from the transaxle-3.5L and 4.0L engines

To install:

1. Installation is the reverse of removal, please note the following important specifications.
2. Remove or disconnect the following:
   
   
   Cradle supporting bolts: 120 ft. lbs. (163 Nm)

   Upper engine mount bolt to timing cover to 40 ft. lbs. (54 Nm) and the bolt to right rail to 50 ft. lbs. (68 Nm)

   Drive axle-to-steering knuckle nut to 180 ft. lbs. (244 Nm)

   Steering knuckle-to-strut bolts to 180 ft. lbs. (244 Nm)

   Front speed sensor support bracket bolts to 105 inch lbs. (12 Nm)

   Brake line support bracket bolts to 105 inch lbs. (12 Nm)

   Flex plate-to-torque converter bolts to 55 ft. lbs. (75 Nm)

   Engine-to-transmission support collar bolts to 40 ft. lbs. (54 Nm)
3. Fill the cooling system to the proper level.
4. Fill the engine with clean oil.
5. Bleed the brakes.
6. Recharge the A/C system
7. Check wheel alignment.
8. Start the vehicle, check for leaks and repair if necessary.

These details will help.

Thanks.           

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html