Section 05
ENGINE (4-TEC)
Subsection 08
(CYLINDER HEAD AND VALVES)
05-08-4
SMR2002_072_05_08A.FM
– rocker arm shaft screws
no. 8
. Discard screws.
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. Rocker arm shaft
2. Rocker arms (exhaust side)
3. Rocker arm (intake side)
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. 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.
1. Rocker arm (intake side)
2. Roller
A. Bore for rocker arm shaft
R1503motr93B
1
1
R1503motr84A
2
3
1
R1503motr85A
1
R1503motr86A
2
3
A
1
R1503motr87A
2
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Содержание GTX 4-TEC 5573 2002
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