Ford Fusion: Engine System - General Information / Valve Guide Inner Diameter. General Procedures
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:
These are some of the symbols you may
see on your vehicle.
Air conditioning system
Air conditioning system lubricant
type
Anti-lock braking system
Avoid smoking, flames or sparks
Battery
Battery acid
Brake fluid - non petroleum based
Brake system
Brake system
Cabin air filter
Check fuel cap
Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise co..
Removal
NOTE:
Removal steps in this procedure may contain installation details .
WARNING:
Before beginning any service procedure in this
section, refer to Safety Warnings in section 100-00 General Information.
Failure to follow this instruction may result in serious personal
injury.
Refer to: Climate Control System Health and Safety Precautions (100-00 General Informa..