E 150 1/2 Ton Van V6-4.2L VIN 2 (1997)
Valve Spring: Service and Repair
REMOVAL
1. Remove the valve cover.
2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the (A) intake valve and the (B) exhaust
valve closed.
3. Hold the valve in the cylinder head.
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Remove the spark plug, if necessary.
^
Apply a minimum of 965 kPa (140 psi) of compressed air to the cylinder.
CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location. If a valve
drops into the cylinder,remove the cylinder head.
4. Remove the rocker arms.
1. Remove the bolts.
2. Remove the rocker arms.
