Whirring, Buzz or Saw-Type Noise from Engine After a Cold Start – 2012-2014 Ford Fiesta

TSB 14-0101WHIRRING/BUZZ OR SAW-TYPE ENGINE NOISE AT 950-1200 RPM AFTER COLD START – FROM TIMING BELT COVER

 

FORDeBay logo:2012-2014 Fiesta

 

This article supersedes TSB 14-0025 to update the Service Procedure and Part List.

 

ISSUE:

Some 2012-2014 Fiesta vehicles equipped with a 1.6L Twin Independent Variable Cam Timing (Ti-VCT) may exhibit a whirring, buzz or saw-type noise from the engine after a cold start between 950-1200 RPM from the timing belt cover.

 

ACTION:

Follow the Service Procedure Steps to correct the condition.

 

SERVICE PROCEDURE

  1. Replace the Timing Belt and Timing Belt Covers. Refer to Workshop Manual (WSM), Section 303-01.
    1. Vehicles built on or before 5/15/2012 are equipped with a three (3) piece timing belt cover. The new two (2) piece timing cover replaces these three (3) piece applications.

 

BM5Z-6019-C
Genuine Ford Parts - Cover - Timing Belt (BM5Z-6019-C)
  • OEM FordeBay logo Parts
  • Genuine FordeBay logo Parts
  • Manufactured To FordeBay logo Standards
  • Genuine FordeBay logo Parts And Accessories
  • Not After Market Parts

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


 

Timing Belt Cover – Upper
AM5Z-6019-ATiming Belt Cover – Lower
BE8Z-8620-A
Ford BE8Z-8620-A, Serpentine Belt
  • Product Name: Compatible with Genuine FordeBay logo Serpentine Belt BE8Z-8620-A, Compatible with Genuine Oem: Yes
  • Manufacturer Part Number: BE8Z-8620-A, Warranty: 1 Year
  • Fitment Type: Direct Replacement, Model: Compatible with Fiesta
  • Year: 2011 2012 2013, Brand: Compatible with FordeBay logo

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


 

Accessory Drive Belt w/ A/C
BE8Z-8620-BA
Genuine Ford Parts (3L8Z-8620-BA) V-Belt
  • Using Genuine FordeBay logo OE parts for repairs keeps your vehicle looking like new and can help maintain its value
  • If you are leasing, check your lease agreement, using Genuine FordeBay logo OE parts may be a requirement
  • Designed and produced to the same specifications and tolerances as the parts on the vehicle when it was manufactured
  • Genuine FordeBay logo OE Parts are the only replacement parts warranted by FordeBay logo Motor Company
  • They meet stringent requirements for fit, finish, structural integrity, and corrosion protection

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


 

Accessory Drive Belt w/o A/C
XG-3-A
Ford Genuine Ford Fluid XG-3-A Silicone Brake Caliper Grease and Dielectric Compound - 3 oz.
  • Lubricates disc brake caliper slide pins
  • High resistance to water and heat
  • Provides high voltage seal to secondary ignition wires
  • Suppresses voltage leaks by coating inner distributor cap surface
  • Compatible with EPDM rubber

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


 

Motorcraft Silicone Brake Caliper Grease and Dielectric Compound
BE8Z-6A340-A

No products found.

Crankshaft Pulley Bolt
BE8Z-6268-CTiming Belt

 

OPERATION DESCRIPTIONTIME
140101A2012-2014 Fiesta: Replace The Timing Belt And Timing Belt Cover (Do Not Use With Any Other Labor Operations)2.6 Hrs.

 

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.

 

DEALER CODING

BASIC PART NO.CONDITION CODE
601942

 

 

 

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart
  • Mobil 1 advanced full-synthetic motor oil 5W-20 utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness.
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  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
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Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

Royal Purple 51520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil - 5 Quart, (Model: ROY51520)
  • Better wear protection
  • Increased fuel efficiency
  • Better protection of the expensive catalytic emission system
  • Improved compatibility with fuels containing ethanol
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Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

Castrol EDGE 5W-20 Advanced Full Synthetic Motor Oil, 5 Quarts
  • 3X Stronger than the leading full synthetic*
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  • 20,000 miles between oil changes***
  • Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade
  • Or one year, whichever comes first

Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

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