Ford Explorer: Engine System - General Information / General Procedures - Valve Guide Inner Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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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:
Special Tool(s) /
General Equipment
303-476
(T94P-9472-A)
Socket, Exhaust Gas Oxygen SensorTKIT-1994-LM/MTKIT-1994-FTKIT-1994-FLM/FM
Materials
Name
Specification
Motorcraft® High Temperature Nickel Anti-Seize LubricantXL-2
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Motorcraft® Penetrating and Lock LubricantXL-1
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Removal
NOTE:
Removal steps in this procedure may contain installati..
WARNING: Hill descent control cannot control descent in all surface conditions
and circumstances, such as ice or extremely steep grades. Hill descent control is
a driver assist system and cannot substitute for good judgment by the driver. Failure
to do so may result in loss of vehicle control, crash or serious injury...
Categories
4 Inch Display

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