Ford Fiesta: 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.
-
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.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specifications.
NOTE:
The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston...
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
Item
Description
1
MS-CAN
2
Infotainment Controller Area Network (I-CAN)
3
LIN
4
FCIM
5
IPC
6
APIM
7
FCDIM
8
Seat heater switch, passenger
9
Seat heater switch, driver
10
BCM
..
WARNING:
Before working on or disconnecting any of the fuel tubes or fuel
system components, relieve the fuel system pressure to prevent
accidental spraying of fuel. Fuel in the fuel system remains under high
pressure, even when the engine is not running. Failure to follow this
instruction may result in serious personal injury.
WARNING:
Do not smoke, carry ..