Ford Ecosport: Engine System - General Information / General Procedures - Valve Guide Inner Diameter
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:
Leak Check Test
With the vehicle in NEUTRAL, position the vehicle on a hoist. REFER to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
Inspect the gasket and sealing areas for evidence of leakage...
Special Tool(s) /
General Equipment
205-153
(T80T-4000-W)
Handle
303-1247VCT Spark Plug Tube Seal Remover and InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW
Plastic Scraper
Materials
Name
Specification
Motorcraft® Silicone Gasket and SealantTA-30
WSE-M4G323-A4
Removal
NOTICE:
During engine repair procedures, cleanli..