2013 Buick LaCrosse Service and Repair Manual

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Covers all 2013 LaCrosse trims — Premium Sedan 4-Door, Base Sedan 4-Door, Leather Sedan 4-Door +2 more ·
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2013 Buick LaCrosse 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

  • Premium Sedan 4-Door
  • Base Sedan 4-Door
  • Leather Sedan 4-Door
  • CXS Sedan 4-Door
  • Touring Sedan 4-Door

Engines covered

  • 3.6L 3564CC 217Cu. In. V6 FLEX DOHC Naturally Aspirated
  • 2.4L 2384CC 145Cu. In. l4 MILD HYBRID EV-GAS (MHEV) 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
NHTSA #21V00F00022/12/2021Component: SUSPENSION:REAR

General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Colu

Consequence

A rear toe link fracture may reduce the driver's ability to control the vehicle, increasing the risk

Remedy

Dealers will replace the rear suspension toe links and adjuster fasteners, free of charge. Owner no

NHTSA #13V09700015/03/2013Component: POWER TRAIN:AUTOMATIC TRANSMISSION

General Motors (GM) is recalling certain model year 2013 Buick LaCrosse vehicles, manufactured between April 25, 2012, through March 6, 2013, and model year 2013 Cadillac SRX vehicles, manufactured be

Consequence

If engine braking is unexpectedly removed, it may increase the risk of a vehicle crash.

Remedy

GM will notify owners, and dealers will reprogram the transmission control module free of charge. T

NHTSA #21V63300012/08/2021Component: SUSPENSION:REAR

General Motors, LLC (GM) is recalling certain 2013 Buick Regal, Chevrolet Malibu, and Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indi

Consequence

A rear toe link fracture may reduce the driver's ability to control the vehicle, increasing the risk

Remedy

Dealers will replace the rear suspension toe links and adjuster fasteners, free of charge. Interim

NHTSA #13V17300006/05/2013Component: ELECTRICAL SYSTEM

General Motors (GM) is recalling certain model year 2012 and 2013 Buick LaCrosse and Regal, and model year 2013 Chevrolet Malibu Eco vehicles equipped with eAssist. These vehicles may have a conditio

Consequence

If the vehicle is continued to be driven, the engine may stall and/or the vehicle may not start. In

Remedy

GM will notify owners and dealers will test the GCM and replace it, as necessary, free of charge. T

TSB #11032947

This document provides the technician with a diagnostic tip if the vehicle stalls and set diagnostic trouble code P0191 and may also set P0172. The diagnostic tip has the technician inspect the high pressure fuel pump body markings to confi

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

Showing the 8 most recent of 839 technical service bulletins on file with NHTSA.

20211004Component: AIR BAGSCrash reported3 injured

I WAS INVOLVED IN A HEAD-ON COLLISION ON THE FRWY GOING 63MILS PER HR. MY CAR IS A TOTAL LOSS. THIS CAR HAS 6 AIRBAGS "STANDARD SAFETY FEATURES"WHICH NONE OF THE 6 AIRBAGS DEPLOYED. I THINK THEY ALL A

20160329Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL* THE CONTACT OWNS A 2013 BUICK LACROSSE. WHILE MAKING A LEFT TURN INTO A PARKING SPACE, THE VEHICLE ACCELERATED INDEPENDENTLY WITHOUT WARNING. THE VEHICLE JUMPED THE PARKING BLOCK, JUMPED THE CURB,

20250729Component: STEERINGCrash reported

I lost all steering control and lost control

20151023Component: WHEELSCrash reported

A 5 INCH PIECE OF METAL BROKE OFF THE WHEEL RESULTING IN DAMAGING THE TIRE AND CAUSING SERIOUS SAFETY CONCERN. THIS PIECE OF METAL BROKE OFF FROM THE INSIDE SECTION OF THE WHEEL, WHICH FACES THE ENGIN

20130409Component: SUSPENSIONCrash reported

ON SATURDAY, APRIL 7,2013 MY WIFE PULLED INTO A PARKING SPACE AT A CONDO IN MARCO IS.FL. SHE WAS DRIVING OUR 2013 BUICK LACROSSE. KNOWING THAT THE LACROSSE HAS A LOW FRONT END,SHE SLOWS DOWN TO A CRAW

Showing the 5 most serious of 196 complaints filed with NHTSA.

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