Fulltext TSBs

Technical Service Bulletins

TSB
12-7-11
  • 3.5L GTDI AND 3.7L ACCESSORY DRIVE BELT CHIRP OR SQUEAL – BUILT ON OR BETWEEN 1/6/2012 – 5/25/2012
Publication Date: July 24, 2012

FORD:
2012-2013 Mustang
2012 F-150

ISSUE:

2012-2013 Mustang vehicles equipped with 3.7L engine and 2012 F-150 vehicles equipped with a 3.7L or 3.5L GTDI engine, and built on or between 1/6/2012 – 5/25/2012 may exhibit a chirping or squealing noise from the accessory drive belt during idle and acceleration.

ACTION:

Follow the service procedure to correct the condition.

SERVICE PROCEDURE

  1. Determine vehicle build date.
    1. Vehicle build date is on or between 1/6/2012 – 5/25/2012, proceed to Step 2.
    2. Vehicle build date is not on or between 01/06/2012 – 05/25/2012, refer to Workshop Manual (WSM), Section 303-05 for normal diagnostics.
  2. Replace accessory drive belt and accessory drive belt tensioner. Refer to WSM, Section 303-05.

PART NUMBERPART NAME
BL3Z-8620-CBelt (3.5L/3.7L F-150)
BR3Z-8620-NBelt (3.7L Mustang)
BR3Z-6B209-ETensioner (3.5L/3.7L F-150, 3.7L Mustang)

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: 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.

OPERATIONDESCRIPTIONTIME
120711A2012-2013 Mustang 3.7L: Inspect Vehicle Build Date And Replace The Accessory Drive Belt And Tensioner (Do Not Use With Any Other Labor Operations)0.3 Hr.
120711A2012 F-150 3.5L/3.7L: Inspect Vehicle Build Date And Replace The Accessory Drive Belt And Tensioner (Do Not Use With Any Other Labor Operations)0.4 Hr.

DEALER CODING

BASIC PART NO.CONDITION CODE
6B20901