Technical Service Bulletins
|Publication Date: July 24, 2012|
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.
Follow the service procedure to correct the condition.
- Determine vehicle build date.
- Vehicle build date is on or between 1/6/2012 – 5/25/2012, proceed to Step 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.
- Replace accessory drive belt and accessory drive belt tensioner. Refer to WSM, Section 303-05.
|PART NUMBER||PART NAME|
|BL3Z-8620-C||Belt (3.5L/3.7L F-150)|
|BR3Z-8620-N||Belt (3.7L Mustang)|
|BR3Z-6B209-E||Tensioner (3.5L/3.7L F-150, 3.7L Mustang)|
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.
|120711A||2012-2013 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.|
|120711A||2012 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.|
|BASIC PART NO.||CONDITION CODE|