Lincoln Navigator: Engine System - General Information / Crankshaft Main Bearing Journal Clearance. General Procedures
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.
Remove the crankshaft main bearing cap and crankshaft main bearing.
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Position a piece of Plastigage across the crankshaft main bearing surface.
-
NOTE:
Do not turn the crankshaft while carrying out this procedure.
Install and tighten to specifications, then remove the crankshaft main bearing cap.
-
Measure the Plastigage to get the crankshaft main
bearing clearance. The Plastigage should be smooth and flat. A changing
width indicates a tapered or damaged crankshaft or crankshaft bearing.
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...
Special Tool(s) /
General Equipment
100-001
(T50T-100-A)
Slide Hammer
Materials
Name
Specification
Motorcraft® Threadlock 262TA-26
WSK-M2G351-A6
Repair
All core plugs
NOTE:
Cylinder block core plug shown, cylinder head core plug similar...
Other information:
Inspection
Inspect the hood-to-body dimensions.
Refer to: Body and Frame (501-26 Body Repairs - Vehicle Specific Information and Tolerance Checks, Description and Operation).
All alignments
Remove the hood latch...
A Clutch Assembly
A Clutch
For A clutch operation, REFER to: A Clutch (307-01 Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Description and Operation).
A Clutch
Condition
Possible Sources
Action
A clutch does not apply
SSA mechanically stuck OFF
INSTALL a new ..