Section 05 ENGINE (4-TEC)
Subsection 07 (CYLINDER HEAD AND VALVES)
R1503motr93B
1
1. Rocker arm shaft screws
– rocker arm shaft no. 9 with rocker arm assem-
bly (exhaust side no. 10 and intake side no. 11).
1
R1503motr84A
2
3
1. Rocker arm shaft
2. Rocker arms (exhaust side)
3. Rocker arm (intake side)
1
R1503motr85A
1. Oil supply from the camshaft to the rocker arm shaft, then to
the rocker arms and finally to the valve adjustment
Inspection
Spark Plug Tube
Check seals on spark plug tube. If seals are brittle,
cracked or hard, replace spark plug tube.
1
R1503motr86A
2
3
1. Spark plug tube
2. Seal to the valve cover
3. Seal to the cylinder head
Rocker Arm
Inspect each rocker arm for cracks and scored fric-
tion surfaces. If so, replace rocker arm assembly.
Check the rocker arm rollers for free movement,
wear and excessive radial play. Replace rocker
arm assembly as necessary.
A
1
R1503motr87A
2
1. Rocker arm (intake side)
2. Roller
A. Bore for rocker arm shaft
258 smr2004-Complete Line Up
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