Lincoln Navigator: Engine System - General Information / Valve Guide Inner Diameter. General Procedures

Lincoln Navigator 2018-2026 Workshop Manual / Engine / Engine System - General Information / Valve Guide Inner Diameter. General Procedures

Check

NOTE: Refer to the appropriate Section 303-01 for the specification.

NOTE: Valve guides tend to wear in an hourglass pattern. The ball gauge can be inserted into the combustion chamber side of the valve guide, if necessary.
- Use a ball gauge to determine the inside diameter of the valve guides in 2 directions at the top, middle and bottom of the valve guide.
- Measure the ball gauge with a micrometer.
- If the valve guide is not within specifications, install a new cylinder head assembly.

Spark Plug Inspection. General Procedures

Inspection NOTE: Dropped spark plugs should always be discarded. Unfired An unfired spark plug should appear very clean with a pure nickel finish to the threads and ground strap...

Valve Stem Diameter. General Procedures

Check NOTE: Refer to the appropriate Section 303-01 for the specification. Measure the diameter of each intake and exhaust valve stem at the points shown...

Other information:

Lincoln Navigator 2018-2026 Workshop Manual: Catalytic Converter LH. Removal and Installation

Special Tool(s) / General Equipment 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen SensorTKIT-1994-LM/MTKIT-1994-FTKIT-1994-FLM/FM Materials Name Specification Motorcraft® High Temperature Nickel Anti-Seize LubricantXL-2 - Motorcraft® Penetrating and Lock LubricantXL-1 - Removal NOTE: If the catalytic conver..

Lincoln Navigator 2018-2026 Workshop Manual: Wireless Accessory Charging Module (WACM). Removal and Installation

Special Tool(s) / General Equipment Interior Trim Remover Removal NOTE: If installing a new module, 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 module after installation. Using a diagnostic scan tool, begin the PMI process for the WACM follo..

Differential Case Runout Check. General Procedures

Special Tool(s) / General Equipment

205-1016
Installer, Differential Bearing
TKIT-2014D-ROW2
TKIT-2014D-FL_ROW

205-153 (T80T-4000-W)
Handle

205-D061 (D83T-4205-C2)
Step Plate Dial Indicator Three Leg Puller Punch