Lincoln Navigator: Instrumentation and Warning Systems / Parking Aid
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)...
General Specifications - Rear Parking Aid
Item
Specification
Test object position 1 (P1) and position 5 (P5), distance from rear bumper
25 cm (10 in)
Test object position 2 (P2) and position 4 (P4), distance from rear bumper
50 cm (20 in)
Test object position 3 (P3), distance from..
Other information:
Inspection
NOTE:
Depending on refrigerant used:
Use a Rotunda-approved Electronic Leak Detector for R134a refrigerant SAE Certified to J2791.
Use a Rotunda-approved Electronic Leak Detector for R-1234yf refrigerant SAE Certified to J2913.
NOTE:
Good ventilation is necessary in the area where electronic A/C
leak testing is to be carried out. If the surr..
Inspection
Cratering - fatigue failure
Spot glazing - incorrect seating
Scratching - dirty engine oil
Base exposed - poor lubrication
Both edges worn - journal damaged
One edge worn - journal tapered or bearing not seated
..