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

Lincoln Navigator 2018-2025 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 2018-2025 Workshop Manual: External Controls - System Operation and Component Description. Description and Operation

System Diagram E339845 *.sttxt { visibility: hidden; } *.stcallout { visibility: visible; } 1 Drive Door Latch ..

Lincoln Navigator 2018-2025 Workshop Manual: Front Bumper. Removal and Installation

Removal NOTE: Removal steps in this procedure may contain installation details. Remove the front bumper cover. Refer to: Front Bumper Cover (501-19 Bumpers, Removal and Installation). Remove the front bumper nuts. Torque: 66 lb.ft (90 Nm) Remove the front bumper. ..

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