Lincoln Navigator: Engine Ignition - 3.5L EcoBoost (272kW/370PS) / Spark Plugs. Removal and Installation
Removal
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Remove the ignition coil-on-plugs.
Refer to: Ignition Coil-On-Plug (303-07 Engine Ignition - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
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Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs.
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NOTICE: Do not remove the spark plugs when the engine is hot or cold soaked. Spark plug thread or cylinder head damage can occur. Make sure that the engine is warm (hand touch after cooling down) prior to spark plug removal.
NOTICE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause cylinder misfire resulting in engine damage.
Remove the spark plugs.
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Inspect the spark plugs.
Refer to: Spark Plug Inspection (303-00 Engine System - General Information, General Procedures).
Installation
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NOTICE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause cylinder misfire resulting in engine damage.
Install and tighten the spark plugs.
Torque: 133 lb.in (15 Nm)
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Install the ignition coil-on-plugs.
Refer to: Ignition Coil-On-Plug (303-07 Engine Ignition - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
Ignition Coil-On-Plug. Removal and Installation
Removal
Both sides
Remove the engine appearance cover retainers,
release the engine appearance cover from the rear retainers and then
remove the engine appearance cover...
Other information:
Lincoln Navigator 2018-2025 Workshop Manual: Air Conditioning (A/C) Clutch and Air Conditioning (A/C) Clutch Field Coil. Removal and Installation
Special Tool(s) / General Equipment Snap Ring Pliers Removal NOTE: Removal steps in this procedure may contain installation details. Remove the RH air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe RH (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation). Remove the RH CAC..
Lincoln Navigator 2018-2025 Workshop Manual: Fuel Pump and Sender Unit. Removal and Installation
Special Tool(s) / General Equipment 310-123Locking Ring, Fuel TankTKIT-2004J-FTKIT-2005U-LM Removal NOTE: Removal steps in this procedure may contain installation steps. Remove the Fuel Tank. Refer to: Fuel Tank (310-01 Fuel Tank and Lines - 3.5L EcoBoost (272kW/370PS), Removal and Installation). Remove three nuts and remove the ..
Categories
- Manuals Home
- 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
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Axle Tube Bearing. Removal and Installation
Special Tool(s) / General Equipment
205-123
(T78P-1177-A)
Installer, Axle Shaft Oil Seal
308-047
(T77F-1102-A)
Remover, Bearing Cup Slide Hammer
