Rocker Arm: Removal

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Both sides

Remove the RH valve cover or LH valve cover. Refer to: Valve Cover RH . Refer to: Valve Cover LH .
LH rocker arm
NOTE: Failure to remove the oil spray bar in steps may result in damage to the oil spray bar.

NOTE: The nuts for the oil spray bar are captured nuts and remain on the oil spray bar.

Remove the LH oil spray bar. Loosen the nuts 2 revolutions at a time in the sequence shown until the LH oil spray bar can be removed.

Fig 1: LH Oil Spray Bar Loosening Sequence
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Inspect the O-ring seal, replace if necessary.

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RH rocker arm
NOTE: Failure to remove the oil spray bar in steps may result in damage to the oil spray bar.

NOTE: The nuts for the oil spray bar are captured nuts and remain on the oil spray bar.

Remove the RH oil spray bar. Loosen the nuts 2 revolutions at a time in the sequence shown until the RH oil spray bar can be removed.

Fig 2: RH Oil Spray Bar Loosening Sequence
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Inspect the O-ring seal, replace if necessary.

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Both sides
NOTE: Mark the location of the rocker arm assemblies prior to removing.

NOTE: LH side shown, RH similar.

Remove the rocker arm assemblies as needed.

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NOTE: To prevent engine damage, keep the push rods in the order in which they were removed. Install all push rods back in their original positions.

Mark the location and remove the push rods.

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NOTE: Do not disassemble the rocker arm assembly. They are serviced as an assembly only.
- Looking from the side of the rocker arm assembly, inspect each rocker arm ball for scuffing. Install new rocker arm assemblies as required.
- Inspect each rocker arm pivot foot and cup for pitting and scuffing. Install new rocker arm assemblies as required.
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- Inspect each push rod for wear and deposits which may restrict the flow of oil into the rocker arm assembly. Install a new push rod as needed.
- Inspect the ball end of the push rod, if the end does not have a polished look, replace the push rod.

Courtesy of FORD MOTOR COMPANY