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Tuesday, May 8, 2012

Dodge Cylinder head replacing procedure?

The details are for Dodge Ram cylinder head removal.The procedure for 3.9L Engine model.
The Procedure mentioned Covers Dodge Ram 1500, 2500, 3500, 2WD & 4WD. Its For 2001 – 2005 Year Models.

Cylinder head removal.

  1. Relieve the fuel pressure.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
    Accessory drive belt
    Alternator
    A/C compressor, if equipped
    Alternator and A/C compressor bracket
    Air injection pump, if equipped
    Closed Crankcase Ventilation (CCV) system
    Air cleaner and hose
    Fuel line
    Accelerator linkage
    Cruise control cable, if equipped
    Transmission cable, if equipped
    Spark plug wires
    Distributor
    Ignition coil harness connectors
    Engine Coolant Temperature (ECT) sensor connector
    Heater hoses
    Bypass hose
    Intake manifold vacuum lines
    Fuel injector harness connectors
    Valve covers
    Intake manifold
    Exhaust front pipe
    Exhaust manifolds



    Rocker arms
    Pushrods
    Cylinder heads
To install:

WARNING
Position the crankshaft so that no piston is at Top Dead Center (TDC) prior to installing the cylinder heads. Do not rotate the crankshaft during or immediately after rocker arm installation. Wait 5 minutes for the hydraulic lash adjusters to bleed down.

image 
Fig. Cylinder head torque sequence-3.9L engine
Cylinder head torque sequence-3.9L engine
  1. Install the cylinder heads with new gaskets. Tighten the bolts in sequence as follows:
    1. Step 1: 50 ft. lbs. (68 Nm).
    2. Step 2: 105 ft. lbs. (143 Nm).
    3. Step 3: 105 ft. lbs. (143 Nm).
  2. Install or connect the following:

    Pushrods in their original locations
    Rocker arms in their original locations. Tighten the bolts to 21 ft. lbs. (28 Nm).
    Exhaust manifolds
    Exhaust front pipe
    Intake manifold
    Valve covers
    Fuel injector harness connectors
    Intake manifold vacuum lines
    Bypass hose
    Heater hoses
    ECT sensor connector
    Ignition coil harness connectors
    Distributor
    Spark plug wires
    Transmission cable, if equipped
    Cruise control cable, if equipped
    Accelerator linkage
    Fuel line
    Air cleaner and hose
    CCV system
    Air injection pump, if equipped
    Alternator and A/C compressor bracket
    Alternator
    A/C compressor
    Accessory drive belt
    Negative battery cable
  3. Fill the cooling system.
  4. Start the engine and check for leaks.


These details will help.
Thanks.           

FOR MORE HELP GO TO: ---

Car repair guide?

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


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