2005 Lincoln Navigator RWDFACTORY OEM SERVICE PROCEDURE

Main Control Valve Body: Installation

  1. Position the mechatronic assembly in place and loosely install the 10 retaining bolts.
    Fig 1: Positioning Mechatronic Assembly
    G03929138Courtesy of FORD MOTOR CO.
  2. Tighten the mechatronic bolts in the sequence shown.
    • Tighten to 8 Nm (71 lb-in).
    Fig 2: Identifying Bolt Tightening Sequence
    G03929140Courtesy of FORD MOTOR CO.
  3. Install new O-rings seals on the outer shell of the bulkhead electrical connector.
    Fig 3: Installing O-Rings Seals
    G03929141Courtesy of FORD MOTOR CO.
  4. CAUTION: Do not touch the electrical connector pins. Electrostatic charge may occur and will cause damage to the mechatronic unit.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.