Lincoln Navigator: Full Frame and Body Mounting / Front Crossmember. Removal and Installation

Removal

  WARNING: Frame rail crush zones absorb crash energy during a collision and must be replaced if damaged. Prior to replacement of frame rail crush zones, straighten damaged frame rails to correct frame dimensions. Failure to follow these instructions may adversely affect frame rail crush zone performance and may result in serious personal injury to vehicle occupants in a crash.

NOTICE: Collision damage repair must conform to the instructions contained in this workshop manual. Replacement components must be new, genuine Ford Motor Company parts. Recycled, salvaged, aftermarket or reconditioned parts (including body parts, wheels or safety restraint components) are not authorized by Ford.

NOTE: Removal steps in this procedure may contain installation details.

1. With the vehicle in NEUTRAL, position it on a hoist.
   Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
   

1. NOTE: If equipped.

   Remove the bolts and the underbody shield.
   Torque: 30 lb.ft (40 Nm)

1. NOTE: If equipped.

   Remove the bolts and the underbody shield.
   Torque: 30 lb.ft (40 Nm)

1. NOTE: If equipped.

   NOTE: 4WD shown, RWD similar.

   Remove the bolts and the underbody shield.
   Torque: 30 lb.ft (40 Nm)

1. NOTICE: Support the engine rear undershield while the fasteners are being removed and installed. Do not support the engine rear undershield by any less than the total number of fasteners at any time.

   Holding the shield in its correct position, remove the fasteners and the engine rear undershield.
   Torque: 71 lb.in (8 Nm)

1. Remove the bolts and the air deflector bracket.
   Torque: 30 lb.ft (40 Nm)

1. NOTE: If equipped.

   Remove the bolts and the underbody shield.
   Torque: 30 lb.ft (40 Nm)

1. 
   
   1. Remove and discard the front crossmember nuts.
      Torque: 76 lb.ft (103 Nm)
   2. Remove and discard the bolts and remove the front crossmember.
      

Installation

1. To install, reverse the removal procedure.