Rocker Arm Cleaning and Inspection
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Material
| Item | Specification |
|---|---|
| Motorcraft SAE 15W-40 Super Duty Diesel Motor Oil XO-15W40-QSD (US); CXO-15W40-LSD12 (Canada); or equivalent |
WSS-M2C171-E |
- Disassemble the rocker arm from the fulcrum plate. With the rocker arm and fulcrum plate upside down in your palm, push down the fulcrum plate. Using your palm, move the rocker arm away from the rocker arm ball and off the fulcrum plate.
- Move the rocker off the ball, keeping the ball in the detent of the fulcrum plate. Remove the rocker arm ball.
- Remove and discard the rocker arm clip.
- Clean all parts with a suitable solvent. Use filtered, compressed air to dry the parts.
- Inspect each rocker arm pivot foot and corresponding valve bridge for pitting and scuffing. Inspect each rocker arm ball and socket for scuffing. Install new rocker arms and valve bridges as required.
- Inspect the rocker arm post ball socket for excessive wear. Inspect bolts for thread damage, install new components if worn or damaged.
- Install a new rocker arm clip on the fulcrum plate.
- Insert the ball in the detent of the fulcrum plate and lubricate with clean engine oil. Hold the rocker arm upside down in the palm of hand.
- Press the lower part of the rocker arm against the rocker arm clip, push up with the palm of hand and push the upper part of the rocker arm over the rocker arm ball. Check for freedom of movement of the rocker arm on the fulcrum plate.
NOTE:
Be careful when removing the rocker arm. Do not lose the rocker arm ball.