Ford Escape: 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.
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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:
Repair
NOTE:
This procedure may be carried out on rubber hoses only. If a
plastic washer hose is damaged, a new washer hose must be installed.
Locate and verify the damaged washer hose.
Cut the hose cleanly and remove the damaged portion of the washer hose...
Removal
NOTE:
Removal steps in this procedure may installation details.
Remove the climate control housing.
Refer to: Climate Control Housing (412-00 Climate Control System - General Information, Removal and Installation).
Remove the retainers and the electric booster heater...