Rocker Arm: Installation

WARNING: This page is about a different car, the 2013 Ford F-350 Super Duty and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the components are to be reinstalled, they must be installed in the same positions. Failure to follow this instruction may result in engine damage.

All rocker arm shafts

Lubricate the rocker arm shaft-to-valve tip and rocker arm-to-camshaft lobe contact area with clean engine oil prior to installation.
LH cylinder head rocker arm shafts
Rotate the engine clockwise until the No. 6 cylinder camshaft intake lobe is positioned so that the intake valve would be fully opened.
Position the LH intake rocker arm shaft assembly and install the bolts finger-tight.
Tighten the 10 LH intake rocker arm shaft assembly bolts in the sequence shown in illustration, in 3 stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten to 20 Nm (177 lb-in).
  
  Fig 1: Identifying LH Intake Rocker Arm Shaft Assembly Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
- Stage 3: Tighten an additional 60 degrees.
Rotate the engine clockwise until the No. 6 cylinder camshaft exhaust lobe is positioned so that the exhaust valve would be fully opened.
Position the LH exhaust rocker arm shaft assembly and install the bolts finger-tight.
Tighten the 10 LH exhaust rocker arm shaft assembly bolts in the sequence shown in illustration, in 3 stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten to 20 Nm (177 lb-in).
- Stage 3: Tighten an additional 60 degrees.
  
  Fig 2: Identifying LH Exhaust Rocker Arm Shaft Assembly Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
NOTE: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

Install the LH cylinder head lower 4 spark plugs.
- Tighten to 18 Nm (159 lb-in).
Connect the 4 LH cylinder head ignition wires to the LH cylinder head lower 4 spark plugs.
- Apply a light coat of dielectric compound to the inside of the ignition wire boots prior to installation.
Install the LH valve cover. For additional information, refer to VALVE COVER - LH .
RH cylinder head rocker arm shafts
Rotate the engine clockwise until the No. 1 cylinder camshaft intake lobe is positioned so that the intake valve would be fully closed.
Position the RH intake rocker arm shaft assembly and install the bolts finger-tight.
Tighten the 10 RH intake rocker arm shaft assembly bolts in the sequence shown in illustration, in 3 stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten to 20 Nm (177 lb-in).
- Stage 3: Tighten an additional 60 degrees.
  
  Fig 3: Identifying RH Intake Rocker Arm Shaft Assembly Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
Rotate the engine clockwise until the No. 1 cylinder camshaft exhaust lobe is positioned so that the exhaust valve would be fully closed.
Position the RH exhaust rocker arm shaft assembly and install the bolts finger-tight.
Tighten the 10 RH exhaust rocker arm shaft assembly bolts in the sequence shown in illustration, in 3 stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten to 20 Nm (177 lb-in).
- Stage 3: Tighten an additional 60 degrees.
  
  Fig 4: Identifying RH Exhaust Rocker Arm Shaft Assembly Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
NOTE: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

Install the RH cylinder head lower 4 spark plugs.
- Tighten to 18 Nm (159 lb-in).
Connect the 4 RH cylinder head ignition wires to the RH cylinder head lower 4 spark plugs.
- Apply a light coat of dielectric compound to the inside of the ignition wire boots prior to installation.
Install the RH valve cover. For additional information, refer to VALVE COVER - RH .