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How to Install a Bilstein HD Series Front Strut on your 1987-2004 Mustang

Installation Time

30 minutes

American Muscle
Shop Parts in this Guide


FORD Mustang front strut V36-4138

Installation instructions

1. Remove DE strut from vehicle, referring to manufacturer's Service Manual.

2. Discard original jounce bumper (10) located on DE strut piston rod or inside DE dust cover (9). The Bilstein strut has a built-in jounce bumper.

3. Decide whether to re-use DE dust cover, or Bilstein replacement dust cover (12). (The Bilstein strut is designed to fUnction properly with either dust cover.)

If Bilstein dust cover (12) will be used, remove the metal clamp (8) from the top of the DE dust cover (9), and pull the dust cover downwards off of the lower isolator (7). Discard the clamp and dust cover .

  • If original dust cover will be used, pull the Bilstein dust cover (12) upwards off the Bilstein strut, and discard.

4. Assemble the upper mounting parts to the Bilstein strut as follows:

  • Lower isolator (7) (with DE dust cover, if re-used).
  • Mount plate (6)
  • Upper rubber isolator (4)
  • steel sleeve (3)
  • Upper retainer plate (2)
  • Bilstein top nut (11); tighten to 75 - 110 Nm (55 - 80 Ib/ft) (discard original top nut (1))

5, Mount Bilstein strut into vehicle, referring to instructions in vehicle manufacturer's Service Manual.

6. Set front Wheel alignment to OE specification

This guide applies to Vehicle years: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 and Submodels: Bullitt, Foxbody, Mach 1, V6, Cobra, GT