Ford Explorer: 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:
Inspection and Verification
Verify the customer concern.
Visually inspect for obvious signs of mechanical damage.
Visual Inspection Chart
Mechanical
Damaged or contaminated accessory drive belt
Damaged or contaminated pulley(s)
Incorrect accessory drive belt
Incorrect fitment of the accessory drive belt
Generator
..
Your vehicle is equipped with a SelectShift Automatic transmission, which gives
you the ability to change gears up or down (without a clutch) as desired.
In order to prevent the engine from running at too low an RPM, which may cause
it to stall, SelectShift still automatically makes some downshifts if it has determined
that you have not downshifted in time...
Categories
4 Inch Display

A - Tachometer.
B - Information display.
C - Speedometer.
D - Fuel gauge.
E - Engine coolant temperature gauge.
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