2016 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
- Premium Sedan 4-Door
- Base Sedan 4-Door
- GS Sedan 4-Door
- Sport Touring Sedan 4-Door
Engines covered
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
- 2.4L 2384CC 145Cu. In. l4 MILD HYBRID EV-GAS (MHEV) DOHC Naturally Aspirated
- 2.4L 2384CC 145Cu. In. l4 GAS DOHC Naturally Aspirated
- 2.4L 2384CC 145Cu. In. l4 FLEX 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
General Motors LLC (GM) is recalling certain model year 2016 Buick Regal Vehicles manufactured August 30, 2015, to February 12, 2016. The affected vehicles have a power-steering assist system that ma
A loss of power steering assist may increase the risk of a crash.
GM will notify owners, and dealers will replace the electric belt drive rack and pinion steering gea
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
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
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 635 technical service bulletins on file with NHTSA.
Interior Chrome Driver Door Handle: The chrome film splits which caused a sharp edge on the edge of the chrome film of the door handle. I cut the edge of my finger on this sharp edge. When I took m
My Buick stops when driving unknown when itâs a surprise lights and dash go off almost got hit took to mechanics itâs the 2016-17 âthrow away motorâ ad they call it does not last and getsâme
My Buick stops when driving unknown when itâs a surprise lights and dash go off almost got hit took to mechanics itâs the 2016-17 âthrow away motorâ ad they call it does not last and getsâme
My Buick stops when driving unknown when itâs a surprise lights and dash go off almost got hit took to mechanics itâs the 2016-17 âthrow away motorâ ad they call it does not last and getsâme
My steering failed and started pulling left into traffic. It was hard to keep it in my lane. Had to have it towed by AAA. Took to my mechanic and he said it was the electric belt drive rack &pinion st
Showing the 5 most serious of 61 complaints filed with NHTSA.
