Ford Explorer: Engine System - General Information / General Procedures - Valve Guide Inner Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary.
-
Use a ball gauge to determine the inside diameter of
the valve guides in 2 directions at the top, middle and bottom of the
valve guide.
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Measure the ball gauge with a micrometer.
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If the valve guide is not within specifications, install a new cylinder head assembly.
Inspection
NOTE:
Dropped spark plugs should always be discarded.
Unfired
An unfired spark plug should appear very clean
with a pure nickel finish to the threads and ground strap..
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
Measure the diameter of each intake and exhaust valve
stem at the points shown...
Other information:
WARNING: When loading the roof racks, we recommend you evenly distribute
the load, as well as maintain a low center of gravity. Loaded vehicles, with higher
centers of gravity, may handle differently than unloaded vehicles. Take extra precautions,
such as slower speeds and increased stopping distance, when driving a heavily loaded
vehicle...
System Operation
System Diagram
Item
Description
1
SCMJ
2
HS-CAN1
3
PCM
4
Liftgate Ajar Switch
5
Power Fold Seat Control Switch
6
Power Folding Seat Motors
7
Hall-Effect Sensors
8
Motors
9
MS-CAN
10
GWM
11
BCM
Network Message Chart
SCMJ Network Input Messag..
Categories
4 Inch Display

A - Tachometer.
B - Information display.
C - Speedometer.
D - Fuel gauge.
E - Engine coolant temperature gauge.
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