Ford Fusion: Engine System - General Information / Connecting Rod Bearing Journal Clearance. General Procedures
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.
Remove the connecting rod bearing cap and connecting rod bearing.
-
Position a piece of Plastigage across the bearing surface.
-
NOTE:
Do not turn the crankshaft during this step.
Install and tighten to specifications, then remove the connecting rod bearing cap.
-
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.
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
Disconnect the battery ground.
Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables)
.
NOTE:
2.5L shown, other engines similar.
NOTE:
Note the orientation and position of the generator current sensor tape tab...
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
Measure the piston diameter 90 degrees from the piston
pin and 41 mm (1.61 in) down from the top of the piston at the point
indicated.
..