Underbody Misalignment Check

2010 Mercury Mariner Hybrid, AWDSECTION Underbody Misalignment Check
WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
  1. The dimensions of the underbody must be restored to provide the correct front and rear wheel alignment geometry.
  2. All the dimensions are measured between the centers of the existing holes in the underbody unless otherwise specified.
  3. Inspect all underbody structural members for cracks, twists or bends. Check all welded connections for cracks. Inspect the support brackets for looseness. Carry out any necessary repairs or install new components as necessary.
  4. Underbody dimension tolerances are Β± 3 mm (0.12 in).
    UNDERBODY DIMENSIONS

    Dimension Town Car/Town Car Limo Town Car LWB
    1 1,040 mm
    (41.6 in)
    1,040 mm
    (41.6 in)
    2 1,311 mm (52.44 in) 1,311 mm (52.44 in)
    3 1,052 mm (42.08 in) 1,052 mm (42.08 in)
    4 1,231 mm (49.24 in) 1,231 mm (49.24 in)
    5 1,226 mm (49.04 in) 1,226 mm (49.04 in)
    6 1,015 mm
    (40.6 in)
    1,015 mm
    (40.6 in)
    7 1,120 mm
    (44.8 in)
    1,120 mm
    (44.8 in)
    8 473 mm
    (18.92 in)
    473 mm
    (18.92 in)
    9 1,563 mm (62.52 in) 1,563 mm (62.52 in)
    10 2,556 mm (102.24 in) 2,747 mm (102.24 in)
    11 3,635 mm (145.4 in) 3,787 mm (151.48 in)
    12 4,761 mm (190.44 in) 4,913 mm (196.52 in)
    13 107 mm
    (4.28 in)
    107 mm
    (4.28 in)
    14 355 mm
    (14.2 in)
    355 mm
    (14.2 in)
    15 234 mm
    (9.36 in)
    234 mm
    (9.36 in)
    16 81 mm (3.24 in) 81 mm (3.24 in)
  5. Fig 1: Underbody Misalignment Check
    GF0013527Courtesy of FORD MOTOR CO.
RENDER: 1.0x

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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.