How do i replace the head gasket in a 2000 dodge durango.

3.9L, 5.2L, and 5.9L Engines To Remove:
3.9L Engine

1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
2. Remove or disconnect the following:
   • Battery negative cable
   • Coolant
   • Intake manifold-to-alternator bracket support rod
   • Alternator
   • Closed crankcase ventilation system
   • Evaporation control system
   • Air cleaner, air in-let hose and resonator
3. Release fuel system pressure.
4. Remove or disconnect the following:
   • Fuel supply line from the fuel rail
   • Accelerator linkage and, the speed control and transmission kickdown cables (if equipped)
   • Distributor cap and wires
   • Coil wires
   • Coolant temperature sending unit wire
   • Heater hoses and bypass hose
   • Vacuum supply hoses from the intake manifold (3.9L Engine)
   • Fuel injector harness and secure out of the way (3.9L Engine)
   • Cylinder head covers and gaskets
   • Intake manifold and throttle body as an assembly
   • Exhaust manifolds
   • Rocker arm assemblies and push rods, and identify to ensure installation in original locations.
   • Head bolts from each cylinder head and remove cylinder heads
   • Spark plugs

1. Install or connect the following:
   • New cylinder head gaskets into position on the cylinder block
   • Cylinder heads onto head gaskets and cylinder block
2. Tighten all cylinder head bolts, starting at top center and in sequence
   1. Torque to: 50 ft. lbs. (68 Nm)
   2. Repeat and Torque to: 105 ft. lbs. (143 Nm)
   CAUTION
   When tightening the rocker arm bolts, ensure that the piston in that cylinder is NOT at TDC.
   
3. Install or connect the following:
   • Push rods and rocker arm assemblies in their original positions.
     1. Torque to: 21 ft. lbs. (28 Nm)
   • Intake manifold and throttle body assembly
   • Exhaust manifolds
   • Spark plugs
     1. Torque to: 30 ft. lbs. (41 Nm)
   • Coil wires
   • Coolant temperature sending unit wire
   • Fuel injector harness (3.9L Engine)
   • Vacuum supply hoses to the intake manifold (3.9L Engine)
   • Heater hoses and bypass hose
   • Distributor cap and wires
   • Accelerator linkage and the speed control and transmission kickdown cables
   • Fuel supply line.
   • Alternator and accessory drive belt.
     1. Alternator bolt - Torque to: 30 ft. lbs. (41 Nm)
   • Intake manifold-to-alternator bracket support rod and bolts
   • Cylinder head covers
   • Closed crankcase ventilation system
   • Evaporation control system
   • Resonator assembly (3.9L Engine), air in-let hose and air cleaner
   • Heat shields
     1. Torque to: 30 ft. lbs. (41 Nm)
   • Coolant
   • Negative battery cable.