Ford Escape: 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:
System Operation
System Diagram
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E343684
1
RGTM
2
SYNC Display unit-
Soft touch on the
touchscreen switch
3
Exterior Liftgate
Release Switch
4
Anti-Pinch
Switches
5
BCM
6
Power Liftgate Motor
..
OVERVIEW
WARNING:
To prevent the risk of high-voltage shock, always follow
precisely all warnings and service instructions, including instructions
to depower the system. The high-voltage hybrid system utilizes
approximately 300 volts DC, provided through high-voltage cables to its
components and modules. The high-voltage cables and wiring are
identified by orange harness tape or o..