Lincoln Aviator 2020-2025 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Connecting Rod Bearing Journal Clearance

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.

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.

General Procedures - Camshaft Surface Inspection

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...

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...

Other information:

Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Image Processing Module B (IPMB)

Removal NOTE: If installing a new IPMB, it is necessary to upload the module configuration information to the scan tool prior to removing the module. This information must be downloaded into the new IPMB after installation. Using a diagnostic scan tool, begin the PMI process for the IPMB following the onscreen instructions Remove the front scuff plate trim panel...

Lincoln Aviator 2020-2025 Service Manual: General Procedures - Wheel to Hub Runout Minimization

Check NOTE: Wheel-to-hub optimization is important. Clearance between the wheel and hub can be used to offset or neutralize the Road Force® or run-out of the wheel and tire assembly. For every 0.001 inch of wheel-to-hub clearance, the Road Force® can be affected between 1 and 3 pounds depending on the tire stiffness...

Child Safety Locks

When the child safety locks are set, you cannot open the rear doors from the inside.

Lincoln Aviator. Child Safety Locks

The child safety lock control is on the driver door.

Press the control to switch the child safety locks on. Press the control again to switch them off. A light on the child safety control illuminates when you switch them on.