Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2008NAVIGATOR 4WD V8-5.4LREPAIR AND DIAGNOSISBODY AND FRAMEEXTERIOR MOULDING / TRIMDESCRIPTION AND OPERATION
2008 Lincoln Navigator 4WD V8-5.4L
Exterior Moulding / Trim: Description and Operation
2008 Lincoln Navigator 4WD V8-5.4LSECTION Description and Operation
EXTERIOR TRIM
The exterior trim and ornamentation consists of the:
- rear door finish panel.
- body side opening moulding.
- front fender wheel opening moulding.
- grille assembly.
- front fender side finish panel.
- front door side finish panel.
- front door window outside rear moulding.
- body side window outside front moulding.
- running boards.
- power running boards (PRBs) (if equipped).
If equipped, the PRBs automatically move when the doors are opened to assist entering and exiting the vehicle.
The PRB feature may be enabled/disabled through the message center.
When the PRB is disabled (OFF), the PRB will immediately move to the stowed position regardless of the position of the doors.
When the PRB is enabled (AUTO), the PRBs will extend when the doors are opened and return to the stowed position when the doors are closed or vehicle speed is greater than 8 km/h (5 mph).
When the PRBs are manually set to the deployed position (OUT), they will return to the stowed position and AUTO mode when the vehicle speed is greater than 8 km/h (5 mph).
The exterior trim and ornamentation consists of the:
- rear door finish panel.
- body side opening moulding.
- front fender wheel opening moulding.
- grille assembly.
- front fender side finish panel.
- front door side finish panel.
- front door window outside rear moulding.
- body side window outside front moulding.
- running boards.
- power running boards (PRBs) (if equipped).
If equipped, the PRBs automatically move when the doors are opened to assist entering and exiting the vehicle.
The PRB feature may be enabled/disabled through the message center.
When the PRB is disabled (OFF), the PRB will immediately move to the stowed position regardless of the position of the doors.
When the PRB is enabled (AUTO), the PRBs will extend when the doors are opened and return to the stowed position when the doors are closed or vehicle speed is greater than 8 km/h (5 mph).
When the PRBs are manually set to the deployed position (OUT), they will return to the stowed position and AUTO mode when the vehicle speed is greater than 8 km/h (5 mph).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.