Lincoln Aviator: Engine System - General Information / General Procedures - Camshaft Surface Inspection
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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. The opening ramp
is the point where the lifter just begins to lift until the point it
reaches the nose of the lobe. The closing ramp is the point from the
nose back down to the lash point. The base circle of the camshaft is not
the active area.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
The crankshaft connecting rod journals must be
within specifications to check the connecting rod bearing journal
clearance...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Front suspension mounted
Remove the LH front wheel and tire assembly.
Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
Disconnect the front ride height sensor electrical connector...
Note: Do not rock the vehicle if the engine
is not at normal operating temperature or
damage to the transmission could occur.
Note: Do not rock the vehicle for more than
a minute or damage to the transmission and
tires could occur, or the engine could
overheat...