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:
System Diagram
E339580
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1
Intermediate Shaft Speed
Sensor A
2
TR Sensor
3
TSS Sensor
4
OSS Sensor
5
PCM
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Removal
NOTICE:
Do not allow the brake fluid to come in contact with the
adhesive backing on the brake pads. This may prevent the brake pad
adhesive surface from bonding with the brake caliper. If brake fluid is
spilled onto the brake pads, install new pads.
NOTICE:
If the fluid is spilled on the paintwork, the affected area must be immediately washed down with cold water.
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