How to replace Rocker Arms or Shafts on Acura?

Rocker Arms/Shafts
REMOVAL & INSTALLATION: ----

The details are as follows : -----

2001-02 Models

1. Before servicing the vehicle, refer to the precautions section.
2. Remove or disconnect the following:
   
   
   Negative battery cable

   Air intake tube

   Ignition coil covers

   Intake manifold cover

   Intake manifold

   Valve cover
3. Loosen the valve adjuster locknuts and screws so that all valves are closed.
4. Loosen the rocker arm shaft bolts evenly in sequence. 
   
   
   
   Fig. Rocker arm shaft loosening sequence-2001-02 models
5. Remove the rocker arms and shafts from the vehicle as an assembly.
   
   NOTE

   Keep all valvetrain components in order for assembly.
6. Remove the rocker arms and springs from the rocker arm shafts.

To install:

1. Assemble the rocker arms and springs to the rocker arm shafts in their original positions.
2. Install the rocker arm assemblies. Tighten the bolts in sequence and in multiple passes to 17 ft. lbs. (24 Nm).
   
   
   

   

   Fig. Rocker shaft tightening sequence-2001-02 models
3. Adjust the valve clearance.
4. Install or connect the following:
   
   
   Valve covers

   Intake manifold

   Intake manifold cover

   Ignition coil covers

   Air intake tube

   Negative battery cable
5. Start the engine and check for leaks.

2003-06 Models

1. Before servicing the vehicle, refer to the precautions section.
2. Remove or disconnect the following:
   
   
   Negative battery cable

   Intake manifold cover

   Ignition coil covers

   Ignition coils

   Dipstick

   2 bolts attaching the harness holder

   Positive Crankcase ventilation (PCV) hose

   Injector electrical connections

   Power steering hose bracket bolt and the harness holder bolts

   Harness clamps and the breather hose

   Valve cover

   Rocker arm adjusting screws. refer to the illustration for location.
3. Remove the rocker arm assembly as follows:
   1. Unscrew the rocker shaft bolts 2 turns at a time in a criss-cross pattern to avoid damaging the vales or rocker assembly.
   2. Do not remove the rocker shaft bolts. These bolts keep the springs and rocker arms on the shafts.
4. Loosen the valve adjuster locknuts and screws so that all valves are closed.
   
   
   

   

   Fig. Rocker arm shaft adjusting screw locations-2003-06 models
5. Remove the rocker arms and shafts from the vehicle as an assembly.
   
   NOTE

   Keep all valvetrain components in order for assembly.
6. Remove the rocker arms and springs from the rocker arm shafts.
   
   
   

   

   Fig. Exploded view of the rocker arms and shafts-MDX
   
   
   
   

   

   Fig. Rocker arm shaft loosening sequence-2003-06 models

To install:

1. Assemble the rocker arms and springs to the rocker arm shafts in their original positions.
2. Install the rocker arm assemblies. Tighten the bolts in sequence and in multiple passes to 17 ft. lbs. (24 Nm).
   
   
   

   

   Fig. Rocker shaft tightening sequence-2003-06 models
3. Adjust the valve clearance.
4. Install or connect the following:
   
   
   Valve covers

   Harness clamps and the breather hose

   Power steering hose bracket bolt and the harness holder bolts

   Injector electrical connections

   PCV hose

   2 bolts attaching the harness holder

   Dipstick

   Ignition coils and torque the retainers to 9 ft. lbs. (12 Nm)

   Ignition coil covers

   Intake manifold cover

   Negative battery cable

This details will help you.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

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