2012 Ford Mustang Service and Repair Manual

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Factory-Grade Data

2012 Ford Mustang service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • GT Convertible 2-Door
  • Shelby Convertible 2-Door
  • Shelby GT500 Coupe 2-Door
  • ST Coupe 2-Door
  • Base Convertible 2-Door
  • GT Coupe 2-Door
  • Boss 302 Coupe 2-Door
  • Base Coupe 2-Door
  • Shelby GT500 Convertible 2-Door
  • Shelby Coupe 2-Door

Engines covered

  • 5.0L 4951CC 302Cu. In. V8 GAS DOHC Naturally Aspirated
  • 5.4L 330Cu. In. V8 GAS DOHC Supercharged
  • 3.7L 3726CC 227Cu. In. V6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2012 Ford Mustang Recalls & Complaints

NHTSA #16V24800027/04/2016Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Ford Motor Company (Ford) is recalling certain model year 2011-2012 Ford F-150 trucks, 2012 Ford Expedition, Lincoln Navigator, and Ford Mustang vehicles. The affected vehicles ar

Consequence

An unexpected downshift into first gear can cause the vehicle to slow down suddenly withou

Remedy

Ford will notify owners, and dealers will reprogram the powertrain control module with upd

NHTSA #21E01300016/02/2021Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Ford Motor Company (Ford) is recalling certain air bag inflator and/or module replacement service parts that may have been used as part of a collision repair. The parts include ce

Consequence

In the event of a crash necessitating deployment of the frontal air bag, an inflator explo

Remedy

Ford will notify dealers that purchased the affected parts, and dealers will provide repla

NHTSA #21V08100016/02/2021Component: AIR BAGS:FRONTAL

Ford Motor Company (Ford) is recalling certain 2005-2014 Mustang, 2004-2011 Ranger, 2009-2011 Mercury Milan, 2006 Ford GT, 2008-2012 Fusion, 2007-2010 Edge and Lincoln MKX, and 200

Consequence

In the event of a crash necessitating deployment of the frontal air bag, an inflator explo

Remedy

Ford will notify owners, and dealers will inspect the driver and passenger air bag module,

NHTSA #17V02400010/01/2017Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Ford Motor Company (Ford) is recalling certain 2012 Ford Fusion and Mustang and Lincoln Zephyr and MKZ vehicles originally sold, or ever registered, in Alabama, California, Florida

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting

Remedy

Owners are advised not to drive their vehicles until the repair has been performed. Ford

NHTSA #12V19000003/05/2012Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

FORD IS RECALLING CERTAIN MODEL YEAR 2011-2012 FORD F-150, 2012 EXPEDITION AND LINCOLN NAVIGATOR, AND 2012-2013 MUSTANG VEHICLES, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FED

Consequence

IF THIS CONDITION EXISTS, THE TRANSMISSION MAY NOT GO INTO REVERSE OR WHEN THE DRIVER PUSH

Remedy

FORD WILL NOTIFY OWNERS, AND DEALERS WILL INSPECT AND REPLACE THE TRS AS NECESSARY, FREE O

TSB #11031792

Harvest Program 25H05 Supplement #1 Certain 2011-2021 Model Year Vehicles Software Verification Harvest Program

TSB #11029052

Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated wired keypad, the access

TSB #11026013

This is a proactive investigation program by Ford Motor Company to inspect a limited number of affected vehicles that are customer-owned. Ford is voluntarily conducting this program to evaluate the software currently installed on one or mor

TSB #11008948

While performing a transmission repair on some 2012-2024 Ford and Lincoln vehicles, a transmission seal kit may be on backorder due to supply chain interruptions. While performing a transmission repair on some 2012-2024 Ford and Lincoln veh

TSB #10254138

All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during ini

TSB #10251951

Some 2011-2024 Mustang and F-150 vehicles equipped with a 5.0L engine may exhibit a tick tap and/or typewriter ticking noise at idle after an engine oil change. It is often referred to as typewriter noise because of its similarity to the so

TSB #10235153

For 2000-2024 Ford and Lincoln vehicles, swapping a module from a vehicle for diagnosis purposes is likely to cause errors and is not recommended. It is also not recommended to order a replacement module using a vehicle identification numbe

TSB #10209374

Certain 2005-2014 Mustang, 2005-2006 GT, 2004-2011 Ranger, 2006-2012 Fusion & MKZ/Zephyr, 2006-2011 Milan, and 2007-2010 Edge & MKX Vehicles Driver & Passenger Airbag Module Quality Control Inspection: Ford Motor Company has determined that

Showing the 8 most recent of 62 technical service bulletins on file with NHTSA.

20190814Component: AIR BAGSCrash reported1 injured

I WAS RECENTLY INVOLVED IN A FRONT END COLLISION AND THE AIRBAGS DID NOT DEPLOY.

20190814Component: STRUCTURE:BODYCrash reported1 injured

I WAS RECENTLY INVOLVED IN A FRONT END COLLISION AND THE AIRBAGS DID NOT DEPLOY.

20190709Component: AIR BAGSCrash reported1 injured

TAKATA RECALL - I WAS AT A STOPLIGHT DURING RUSH HOUR ON A BUSY CITY STREET. THE LIGHT TURNED GREEN AND BEFORE I MADE IT 10 FEET THE CAR IN FRONT OF ME SLAMMED ON HIS BRAKES. I HI

20190709Component: SEAT BELTSCrash reported1 injured

TAKATA RECALL - I WAS AT A STOPLIGHT DURING RUSH HOUR ON A BUSY CITY STREET. THE LIGHT TURNED GREEN AND BEFORE I MADE IT 10 FEET THE CAR IN FRONT OF ME SLAMMED ON HIS BRAKES. I HI

Showing the 4 most serious of 573 complaints filed with NHTSA.

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