Lincoln Aviator: Engine System - General Information / General Procedures - Crankshaft Main Bearing Journal Clearance
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.
-
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 and SealerTA-25-B
-
Repair
All core plugs
NOTE:
Cylinder block core plug shown, cylinder head core plug similar...
Other information:
Special Tool(s) /
General Equipment
205-153
(T80T-4000-W)
Handle
303-1246Engine Spreader BarTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1247VCT Spark Plug Tube Seal Remover and InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1248Camshaft holding toolsTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1634Lift Eyes (2)TKIT-2014D-ROW3TKIT-2014D-FL_ROW
303-1696Camshaft holding fixture
303-409
(T92C-6700-CH)
Remover, Crankshaft SealTKIT-1992-FH/FMH/FLMHTKIT-1993-LMH/MH
Floor Crane
Mounting Stand
Plastic Scraper
Flat-Bladed Screwdriver
Materials
Name
Specification
Motorcraft® Silicone Gasket RemoverZC-30-A
-
Motorcraft® Metal Surface Prep WipesZC-31-B
-
Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B
-
NOTICE:
During engine repair procedures, cleanliness is extremely
important...
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
WARNING:
To prevent the risk of high-voltage shock, always follow
precisely all warnings and service instructions, including instructions
to depower the system...