2010 Buick LaCrosse Service and Repair Manual

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Covers all 2010 LaCrosse trims — CXL Sedan 4-Door, CX Sedan 4-Door, CXS Sedan 4-Door ·
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2010 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

  • CXL Sedan 4-Door
  • CX Sedan 4-Door
  • CXS Sedan 4-Door

Engines covered

  • 3.0L 182Cu. In. V6 GAS DOHC Naturally Aspirated
  • 2.4L 2384CC 145Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.6L 3564CC 217Cu. 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
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

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 650 technical service bulletins on file with NHTSA.

20181115Component: STRUCTURE:BODYCrash reported3 injured

TAKATA RECALL I WAS IN AN ACCIDENT ON OCT 16, 2018. I WAS ON THE STREET SITTING AT A RED LIGHT WHEN A VEHICLE HIT ME FROM THE REAR WHICH MADE ME HIT ANOTHER VEHICLE AND MY AIRBAGS DID NOT DEPLOY.

20170217Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2010 BUICK LACROSSE. WHILE DRIVING 50 MPH, THE VEHICLE LOST ALL STEERING ABILITY. AS A RESULT, THE VEHICLE SPUN OUT OF CONTROL AND CRASHED INTO A MEDIAN. THE AIR BAGS DID NOT DE

20170217Component: STEERINGCrash reported1 injured

TL* THE CONTACT OWNS A 2010 BUICK LACROSSE. WHILE DRIVING 50 MPH, THE VEHICLE LOST ALL STEERING ABILITY. AS A RESULT, THE VEHICLE SPUN OUT OF CONTROL AND CRASHED INTO A MEDIAN. THE AIR BAGS DID NOT DE

20101122Component: STEERINGCrash reported1 injured

LOST STEERING ON MY 2007 BUICK LACROSSE ON THE HIGHWAY WHILE TAKEN A SHARP TURN THE STEERING WOULD NOT TURN WHICH RESULTED IN A HIGH SPEED CRASH. *TR

20200101Component: ELECTRICAL SYSTEMCrash reported

DRIVING AT NITE TO ER AND ON WAY I THOUGHT I MUST HAVE HIT IGNITION BUTTON BUT CAR JUST LOCKED UP LOST ALL POWER. I CALLED GM THEY GOT BACK TO ME SAID THEY WOULD BE SENDING SOMEONE TO SEE CAR. I DID R

Showing the 5 most serious of 275 complaints filed with NHTSA.

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