Ford Fusion: Engine System - General Information / Valve Guide Inner Diameter. General Procedures
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:
System Operation
System Diagram - Supplemental Restraint System (SRS)
SRS Inputs
Item
Description
1
RCM
2
HS-CAN2
3
Passenger Door Side Impact Sensor
4
HS-CAN3
5
HS-CAN1
6
Passenger Seatbelt Buckle Switch
7
Passenger Front Impact Severity Sensor
8
Driver Door Side Impact Sensor
9
Driver C-Pillar Side Impa..
Removal
NOTICE:
To prevent system failure, carry out the OCS reset when a front passenger seat cushion is disassembled, a new trim cover is installed or an OCS service kit is installed. Use a scan tool to carry out the OCS reset command.
NOTICE:
The cushion heater mat on a front outboard passenger seat is
not serviced separately. If a new cushion heater mat is needed on the
front passen..