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.
-
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
205-126
(T78P-4851-A)
Holding Fixture, Drive Pinion Flange
205-233
(T85T-4851-AH)
Installer, Drive Pinion FlangeTKIT-1985-FH-1
303-249Remover, Crankshaft Timing Pulley
Transmission Jack
Flat-Bladed Screwdriver
Wooden Block
Materials
Name
Specification
Motorcraft® Premium Long-Life GreaseXG-1-E1
ESA-M1C..
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
This step is only necessary when installing a new component.
The PMI process must begin with the current RGTM installed. If the
current RGTM does not respond to the diagnostic scan tool, the tool may
prompt for As-Built Data as part of the repair.
Using a diagnostic scan tool, begin the PMI ..