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.
-
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:
Your vehicle has electronic control units
that have the ability to store data based
on your personalized settings. The data is
stored locally in the vehicle or on devices
that you connect to it, for example, a USB
drive or digital music player. You can delete
some of this data and also choose whether
to share it through the services to which
you subscribe...
System Operation
System Diagram
E358047
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1
PCM
2
ABS
3
SOBDMC
4
Active Grille
Shutter Actuator
Item
Description
1
PCM
2
ABS
3
SOBDMC
4
Act..