Grunt Creak Squeak Chirp Noise from Lower Control Arm – 2005-2007 Ford Mustang

GRUNT/CREAK/SQUEAK/CHIRP NOISE FROM THE TSB 07-23-1 LOWER CONTROL ARM BUSHING OVER BUMPS— BUILT BEFORE 2/28/2007

 

FORDeBay logo:2005-2007 MustangeBay logo

 

2005-2007 Mustangs 4.0L/4.6L with a build date before 2/28/2007 may exhibit a grunt/creak/squeak/chirp noise from the lower control arm (LCA) hydro bushing over bumps like speed bumps, pot holes, rough roads, and driveway approaches.

 

SERVICE PROCEDURE

  1. Use chassis ears on the LCA hydro bushing bracket tabs to verify noise is coming from the LCA Bushing.
    1. If noise confirmed, then proceed to step 2.
    2. If not, then this does not apply. Proceed with normal Workshop Manual (WSM) diagnostics.
  2. Replace LCA with latest level parts.

 

PART NUMBER PART NAME
7R3Z-3078-A

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

Arm Assembly-Front Suspension – RH
7R3Z-3079-AArm Assembly-Front Suspension – LH

 

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Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API


 

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Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API


 

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