Suspension - Front End Noise Over Bumps
TSB 12-8-2408/30/12
GRUNT/CREAK/CHIRP/SQUEAK NOISE FROM THE
FRONT LOWER CONTROL ARM OVER BUMPS
FORD:
2011-2013 Mustang
The article supersedes TSB 11-10-17 to remove the production fix date, update the model years, Service Labor Time Standards and Part List.
ISSUE
Some 2011-2013 Mustangs vehicles may exhibit a grunt/creak/chirp/squeak noise from the front lower control arm hydro bushing. These noises may occur over large vertical bumps like speed bumps, pot holes, rough roads and driveway approaches.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Use chassis ears on the lower control arm hydro bushing bracket tabs to verify noise is coming from the hydro bushing. The hydro bushing is the large diameter bushing at the rear of the control arm.
a. If the noise is not confirmed as coming from the hydro bushing, do not continue with this article. Refer to Workshop Manual, Section 204-00 for normal diagnostics.
b. If the noise is confirmed as coming from the hydro bushing, replace the lower control arm that is making the noise. Refer to WSM Section 204-01.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
OPERATION DESCRIPTION TIME
120824A 2011-2013 Mustang: 1.8 Hrs.
Replace One (1) Front
Lower Control Arm,
Includes Time To
Diagnose
120824B 2011-2013 Mustang: 2.1 Hrs.
Replace Two (2) Front
Lower Control Arms,
Includes Time To
Diagnose
DEALER CODING
CONDITION
BASIC PART NO. CODE
3078 42
Disclaimer