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)
.
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 Operation
Air Fuel Ratio Imbalance Monitor
The air fuel ratio imbalance monitor is an on board diagnostic strategy designed to monitor the air fuel ratio.
Air Fuel Ratio Imbalance Monitor — Heated Oxygen Sensor (HO2S) Monitor
The air fuel ratio imbalance monitor estimates the cylinder to
cylinder air fuel ratio difference using the universal HO2S
high frequency signal...
Special Tool(s) /
General Equipment
100-002
(TOOL-4201-C)
Holding Fixture with Dial Indicator Gauge
205-001
(TOOL-4000-E)
Spreader, Differential Carrier
205-335
(T93P-4000-A)
Spreader, Differential Housing (Plate)TKIT-1993-FLMTKIT-1993-LMTKIT-1996-F/FM
205-368
(T96T-4000-A)
Adapter for Differential Housing SpreaderTKIT-1998-LM (NavigatoR..