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.
-
Measure the ball gauge with a micrometer.
-
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:
Engine Compartment Fuse Box
WARNING: Always disconnect the battery before servicing high current fuses.
WARNING: To reduce risk of electrical shock, always replace the cover to
the power distribution box before reconnecting the battery or refilling fluid reservoirs...
Special Tool(s) /
General Equipment
Air Conditioning Service Unit
Refrigerant Oil Injector Set
Filling
Refer to the Refrigerant Oil Adding (when new components
are installed) chart below for refrigerant oil adding amounts and
methods of installation...
Categories
4 Inch Display

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