Details

• Brand:

  

  

• SKU:

  W717682-S440

• Positions: Rear Upper, Left, Right, Upper
• Other Names:

  Suspension Shock Absorber Nut, Nut Special

• Description:

  This is a genuine Ford shock absorber retainer nut used at the rear shock mounting of the F-150 pickup. The special nut threads onto the upper shock absorber stud or mounting bolt, holding the shock to its frame or body bracket so the damper can control suspension motion. It maintains the clamp load that keeps the shock isolator compressed and the damper securely located, which is essential to ride control and to preventing rattles from a loose shock mount. Owners typically replace this nut when installing new rear shock absorbers, when servicing the shock mount, or when the original fastener is corroded, rounded, or no longer holds torque. A worn or loose retainer nut can allow the shock to knock against its bracket, producing a metallic rattle over bumps and reduced damping control. Ford flags this fastener as one that cannot be reused or reinstalled, so a fresh nut is needed each time the shock mount is opened to ensure proper clamp load. Built to Ford specifications, it matches the original thread and seat for a correct fit in the factory location. Inspect the shock stud, isolators, and bracket while the nut is off, then tighten the new nut to the value listed in the F-150 rear suspension procedure to restore quiet, controlled rear damping.

• Notes: Part cannot be reused/reinstalled.

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