Lincoln Parts

Lincoln Parts Questions & Answers

• Kit
  2W7Z-6049-DARM
  Q: How to prepare the cylinder head(s) and associated valve train components for an engine overhaul on Lincoln Town Car?

  A: To embark on an engine overhaul, the first step is to prepare the cylinder heads and valve train parts by cleaning and inspecting them. Take off any old gasket material and sealing compound from the surfaces. Use a solvent, dry it, and clean all parts thoroughly. The crack inspection process of the cylinder head starts with a visual check for cracks or other signs of damage. Check for warpage with a straight edge. Examine the valve seats as well as measure valve stem-to-guide clearance. Inspect valves for wear and imperfections. Check valve margin width. Look at the valve springs for wear and take free lengths measurements. Confirm retainers' condition along with their keepers'. Inspect rocker arm components for wear. Assess pushrods as well as rocker arm studs for damage. Replace any parts that have either worn out or are damaged in any way in this section.
• Headlamp Assembly
  BA1Z-13008-C
  Q: What are Daytime Running Lights and Headlight and how do they function on Lincoln MKX?

  A: The Daytime Running Lights (DRL) system on certain models activates the headlights whenever the engine is running, except when the parking brake is engaged; once released, the lights stay on as long as the ignition is on, even if the parking brake is reapplied. This system provides reduced power to the headlights to prevent excessive brightness during the day while extending headlight life. The LED headlight system features six main low-beam, two supplemental low-beam, and four high-beam non-replaceable LEDs, with the turn lamp and side marker LEDs integrated into the headlight housing and not individually replaceable. Additionally, the headlight daytime running/signature light system includes an illuminated strip that shines white, with the daytime running/signature lamp LEDs also integrated into the headlight housing. The Body Control Module (BCM) monitors the headlight switch position by sending voltage signals across multiple circuits, with one circuit grounded at any time to indicate the switch position. The BCM activates the parking lights and headlights when the ignition is in the ON position, and if a fault is detected in the headlight switch or wiring, an error notification appears on the instrument cluster.
• Front Axle Shaft
  7L1Z-3219-A
  Q: How to remove and install front axle shafts on Lincoln Navigator?

  A: To remove and install front driveaxles on 2004 and earlier models, turn off air suspension (if equipped), loosen lug nuts, raise vehicle, remove wheel, cotter pin, nut lock, and hub nut. Remove driveaxle flange bolts, steering knuckle, and driveaxle assembly. For installation, follow reverse order, tighten hub nut and CV joint flange bolts, and use new cotter pin. Reactivate air suspension if applicable. On 2005 and later models, remove hub dust cap and driveaxle nut. Loosen lug nuts, raise front of vehicle, support with jackstands, disconnect vacuum tube(s), remove IWE retainer bolts, and disconnect tie-rod end and upper ball joint. Pull steering knuckle outward while pushing inward on driveaxle, use special tool to pull inner driveaxle CV joint away from differential. For rear driveaxles on 2003 and later Expedition/Navigator models, block front wheels, loosen lug nuts, raise rear of vehicle, remove wheel. Depress brake pedal, unscrew driveaxle/hub nut, remove brake disc, suspend brake caliper, remove parking brake cable bolt, cover stabilizer bar link stud threads, detach lower control arm and toe link from rear knuckle. Use puller tool to push driveaxle out of hub, raise lower end of knuckle outward, drive inner end of driveaxle out of differential. For installation, pry off old spring clip, replace it, apply grease, insert splined end of inner CV joint into differential, ensure spring clip locks in place. Apply grease to outer CV joint splines, insert outer end of driveaxle into hub, connect lower control arm and toe link to knuckle, tighten fasteners. Install new driveaxle/hub nut, tighten securely, install parking brake cable, brake disc, and caliper. Have assistant push brake pedal, tighten driveaxle/hub nut, reinstall wheel and lug nuts, lower vehicle, tighten lug nuts.