2011 Buick Regal Service and Repair Manual

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Factory-Grade Data

2011 Buick Regal 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

  • CXL Sedan 4-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. l4 FLEX DOHC Turbocharged
  • 2.4L 2384CC 145Cu. In. l4 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

2011 Buick Regal Recalls & Complaints

NHTSA #16V51700007/07/2016Component: ELECTRICAL SYSTEM:WIRING

General Motors LLC (GM) is recalling certain model year 2011 Buick Regal vehicles manufactured November 3, 2009, to March 25, 2011, equipped with 8-way power adjustable front seats. The power seat wi

Consequence

Chafed harness wires may cause a short circuit, increasing the risk of a fire.

Remedy

GM will notify owners, and dealers will inspect and secure the wiring harness, and repair any chafed

NHTSA #16V50200005/07/2016Component: ELECTRICAL SYSTEM:IGNITION

General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmis

Consequence

If the key is removed without the transmission in PARK, the vehicle may rollaway as occupants are ex

Remedy

GM will notify owners, and dealers will inspect and if necessary replace the key cylinder lock housi

NHTSA #12V48400004/10/2012Component: EXTERIOR LIGHTING:TURN SIGNAL

General Motors LLC (GM) is recalling certain model year 2011-2013 Buick Regal and model year 2013 Chevrolet Malibu vehicles. These vehicles are equipped with two turn signal bulbs in each front turn

Consequence

If the driver is not aware that a turn signal is not functioning properly, the driver may continue t

Remedy

GM will notify owners, dealers will update the body control module software, free of charge. The re

TSB #11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

TSB #11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

TSB #11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11026104

This service bulletin provides information on Tire Sidewall Irregularities.

TSB #11026017

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

TSB #11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s

TSB #11024485

The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

Showing the 8 most recent of 1525 technical service bulletins on file with NHTSA.

20240202Component: AIR BAGSCrash reported

I hit a deer going 60 mph and the airbag didn’t deploy, the service airbag light came on after I hit it. I’d assume that means the airbag tried to deploy but ran into an issue

20231028Component: FUEL/PROPULSION SYSTEMCrash reported

I was parking in marked space. I had turned into space, my foot was off the gas pedal. The car was 3/4 into the space when it malfunctioned and rapidly accelerated into a hardened snow bank. i inst

20231028Component: ENGINECrash reported

I was parking in marked space. I had turned into space, my foot was off the gas pedal. The car was 3/4 into the space when it malfunctioned and rapidly accelerated into a hardened snow bank. i inst

20231028Component: POWER TRAINCrash reported

I was parking in marked space. I had turned into space, my foot was off the gas pedal. The car was 3/4 into the space when it malfunctioned and rapidly accelerated into a hardened snow bank. i inst

20231028Component: POWER TRAINCrash reported

Preparing to park into a parking space in an off street parking lot the vehicle forcefully and rapidly accelerated on its' own and crashed into a fence. I was not accelerating. I attempted to stop

Showing the 5 most serious of 441 complaints filed with NHTSA.

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