Lincoln Navigator: Engine System - General Information / Piston Diameter. General Procedures
Check
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Measure the piston diameter 90 degrees from the
piston pin and piston diameter (DN) height down from the top of the
piston at the point indicated.
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Refer to specifications for the piston diameter (DN) height.
Refer to: Specifications (303-01)
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Oil Pressure Test 2.7L EcoBoost & 3.3L Duratec & 5.0L Ti-VCT
NOTE:
It is necessary to disconnect the battery to avoid
setting any DTCs that could cause the PCM to command the oil pressure to
other than what should be observed from a correctly operating system
during the oil pressure test...
Inspection
NOTE:
Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
Clean and inspect the (1) ring lands, (2) pin bosses,
(3) skirts and the (4) tops of the pistons...
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 t..
Overview
The handles, locks, latches, and entry systems consist of the following:
Main Components:
BCM
DDM
Door latches
Door lock control switches
Door lock indicators
Exterior door handles containing lock/unlock sensors
Fuel filler door lock actuator (if equipped)
Fuel filler door release switch (if equipped)
..