Lincoln Aviator: Engine System - General Information / General Procedures - Connecting Rod Bearing Journal Clearance
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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NOTE:
The crankshaft connecting rod journals must be
within specifications to check the connecting rod bearing journal
clearance.
Remove the connecting rod bearing cap and connecting rod bearing.
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Position a piece of Plastigage across the bearing surface.
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NOTE:
Do not turn the crankshaft during this step.
Install and tighten to specifications, then remove the connecting rod bearing cap.
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Measure the Plastigage to get the connecting rod bearing
journal clearance. The Plastigage should be smooth and flat. A changing
width indicates a tapered or damaged connecting rod or connecting rod
bearing.
Inspect the camshaft lobes for pitting or damage in the
active area. Minor pitting is acceptable outside the active area. The
active area includes the opening ramp and closing ramp...
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Crankshaft main bearing journals must be within specifications before checking journal clearance...
Other information:
Removal
NOTE:
The rear heater core inlet line is installed from the
factory as a one-piece assembly. The replacement part is supplied as an
assembly, containing the rear heater core outlet line and the rear
evaporator inlet and outlet lines.
Remove the rear evaporator rear outlet and inlet line...
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