2012 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

ROCKER ARM, Valve

DESCRIPTION

DESCRIPTION

The rocker arms (1) are made of stamped steel and serviced as an assembly along with the lifter.

The rocker arms (1) are used as a link between the camshaft and valves. As the camshaft rotates, the lobes of the camshafts apply downward pressure on the rocker arms (1). This pressure is then applied to the hydraulic lifter (2) which opens the valve.

REMOVAL

REMOVAL

  1. Disconnect the negative battery cable.

    2.  
  2. Remove the camshafts (Refer to 09 - Engine/Cylinder Head/CAMSHAFT, Engine - Removal) .

    3.  
  3. Remove rocker arms (1) and lifters (2).

    4.  

INSTALLATION

INSTALLATION

  1. Clean and inspect gasket sealing surfaces.

    2.  
  2. Lubricate lifter ball end of lifter(s), valve(s), and rocker arm roller(s) with Mopar® Engine Oil Supplement or equivalent.

    3.  
  3. Connect rocker arm(s) to lifter and reposition on valve(s).

    4.  
  4. Install the camshafts (Refer to 09 - Engine/Cylinder Head/CAMSHAFT, Engine - Installation) .

    5.  
  5. Connect the negative battery cable.

    6.