🏷️ Basic Information

Make:

Buick

Model:

Regal

Year:

2013

Generation Identifier:

Fifth Generation (Re-introduced to North America)

Platform Code:

GM Epsilon II

👋 Introduction

Vehicle Segment:

Mid-size sedan, often marketed as a premium or near-luxury offering within the Buick lineup.

Competitors:

Competes with other mid-size sedans such as the Toyota Camry, Honda Accord, Ford Fusion, Chevrolet Malibu, and Volkswagen Passat.

Premium Appointments:

The 2013 Regal is known for its European-influenced styling, sophisticated interior appointments, and a focus on driving dynamics, particularly in its turbocharged variants.

📋 Manual Details

Models Covered:

All Buick Regal models for the 2013 model year.

Engine Variants Covered:

Likely covers all engine options available for the 2013 Regal, including the 2.4L naturally aspirated and the 2.0L turbocharged variants.

Estimated Page Count:

While not explicitly stated, factory service manuals of this scope typically range from 1500 to 3000+ pages.

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Complete overhaul and repair procedures for engine assembly, disassembly, inspection, and component replacement. Includes timing belt/chain, pistons, rings, connecting rods, crankshaft, cylinder heads, valves, camshafts, seals, and gaskets.

Engine Control System:

Detailed diagnostics and repair procedures for the Engine Control Module (ECM), sensors (MAP, MAF, O2, TPS, ECT, CMP, CKP), actuators (injectors, ignition coils, EVAP purge valve), and emissions control systems. Includes diagnostic trouble codes (DTCs) and troubleshooting flowcharts.

Fuel System:

Service and repair of the fuel pump, fuel filter, fuel injectors, fuel pressure regulator, fuel tank, and fuel lines. Includes fuel system pressure testing and diagnosis of fuel delivery issues.

Intake Exhaust Cooling:

Repair and maintenance of the intake manifold, exhaust system (including catalytic converter and mufflers), cooling system components (radiator, water pump, thermostat, coolant hoses, cooling fans), and HVAC system performance related to engine cooling.

Lube Oil System:

Procedures for oil changes, oil filter replacement, oil pump inspection, oil pan removal/installation, and oil pressure testing. Includes recommended oil types and viscosities.

Ignition Starting Charging:

Diagnosis and repair of the ignition system (spark plugs, ignition coils, wires), starting system (starter motor, solenoid, battery), and charging system (alternator, voltage regulator). Includes battery testing and maintenance.

Automatic Transmission:

Complete service and repair procedures for the automatic transmission, including fluid changes, filter replacement, torque converter, clutch packs, valve body, solenoids, and transmission control module (TCM) diagnostics. Likely covers specific GM transmission models used in the Regal.

Manual Transmission:

Service and repair procedures for the manual transmission, clutch assembly (clutch disc, pressure plate, release bearing), shifter linkage, and related components. Includes fluid specifications and capacity.

Transfer Propeller Shaft Driveshaft:

Inspection, repair, and replacement of driveshafts, universal joints, and associated components for vehicles equipped with AWD. Includes balancing and alignment procedures.

Differential Axle:

Service and repair of front and rear differentials, axle shafts, CV joints, and wheel bearings. Includes fluid type and capacity specifications and lubrication requirements.

Suspension System:

Detailed procedures for diagnosing and repairing suspension components, including struts, shock absorbers, control arms, ball joints, bushings, sway bars, and springs. Includes alignment specifications.

Tire Wheel:

Information on tire pressure, rotation, balancing, and replacement. Includes wheel specifications (size, offset, bolt pattern) and lug nut torque specifications.

Brake Control System:

Diagnosis and repair of the Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), and Brake Assist (BA). Includes ABS sensor diagnostics, hydraulic modulator service, and ABS warning light troubleshooting.

Brake System:

Comprehensive service for front and rear disc brakes, including brake pad replacement, rotor resurfacing/replacement, brake caliper service, brake fluid flush and bleeding, and brake hose inspection/replacement. Includes fluid specifications.

Parking Brake:

Adjustment, repair, and replacement of the parking brake system components (cables, levers, actuators). Includes proper engagement and release procedures.

Steering Column:

Service and repair of the steering column assembly, ignition lock cylinder, tilt/telescopic mechanisms, and steering wheel removal/installation.

Power Steering:

Diagnosis and repair of the power steering system, including the power steering pump, fluid reservoir, hoses, steering rack/gearbox, and electric power steering (EPS) components if applicable. Includes fluid type and capacity.

Air Conditioning HVAC:

Service and repair of the air conditioning system (compressor, condenser, evaporator, refrigerant lines, receiver-drier, expansion valve/orifice tube) and heating/ventilation system. Includes refrigerant handling, system evacuation, and charging procedures. Covers climate control module diagnostics.

Supplemental Restraint System:

Detailed procedures for the diagnosis, repair, and replacement of airbags, SRS control module, impact sensors, seat belt pretensioners, and related wiring. Includes safety precautions for working with SRS components.

Seat Belt System:

Service and repair of seat belt retractors, buckles, and anchors. Includes inspection for wear and damage and proper installation.

Engine Immobilizer System:

Information on the function and troubleshooting of the engine immobilizer system, including key programming and anti-theft device diagnostics.

Cruise Control:

Diagnosis and repair of the cruise control system, including the control module, speed sensors, and actuator. Includes operational checks and troubleshooting for system faults.

Wiper Washer System:

Service and repair of windshield wipers (motors, blades, linkage) and washer system (pump, fluid reservoir, nozzles). Includes diagnostic procedures for electrical and mechanical issues.

Door Lock System:

Diagnosis and repair of door locks, central locking system, power door lock actuators, and keyless entry system components. Includes door handle and latch service.

Meter Audio Visual:

Information on the instrument cluster (gauges, warning lights), audio system (head unit, speakers, amplifier), and visual systems (display screens). Includes diagnostic procedures for communication and component failures.

Horn System:

Diagnosis and repair of the horn circuit, including the horn itself, horn button/switch, and wiring. Includes troubleshooting for inoperative horns.

Windshield Glass Mirror:

Procedures for windshield replacement, side and rear glass service, and mirror assembly repair/replacement. Includes information on auto-dimming and heated mirrors.

Instrument Panel:

Disassembly and reassembly of the instrument panel for access to gauges, switches, and HVAC controls. Includes repair of indicator lights and illumination.

Seat System:

Service and repair of manual and power seat adjustments, seat frame, seat heaters, and seat backrest mechanisms. Includes seat belt anchor bolt torque specifications.

Engine Hood Door Body:

Procedures for servicing and repairing the hood latch, hinges, gas struts, and door mechanisms (hinges, latches, handles, regulators). Includes panel alignment and adjustment.

Exterior Interior Trim:

Installation, removal, and repair of exterior trim (grilles, bumpers, moldings) and interior trim panels (door panels, dashboard components, center console). Includes information on fasteners and clips.

Electrical System General:

General electrical system diagnosis, including battery testing, fuse and relay identification and testing, and troubleshooting of common electrical faults. Covers lighting circuits, accessory circuits, and power distribution.

Multiplex Can Communication:

Detailed information on the vehicle's Controller Area Network (CAN) bus system, including network architecture, diagnostic procedures for communication errors, and troubleshooting of modules communicating over the CAN bus.

Maintenance:

Routine maintenance procedures, including oil and filter changes, fluid checks and top-offs, tire rotations, brake inspections, and filter replacements (air, cabin, fuel).

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and complex vehicle issues, often presented in flowcharts and symptom-based troubleshooting guides.

Repair:

Step-by-step instructions for virtually all mechanical and electrical repair tasks, from simple component replacements to major system overhauls.

Installation:

Procedures for the correct installation of replacement parts and accessories, ensuring proper fitment and function.

Diagnostics:

In-depth diagnostic strategies, including the use of scan tools, interpreting diagnostic trouble codes (DTCs), and performing electrical system tests.

Depth:

Factory-level technical detail, covering everything from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and body repair procedures.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick navigation to specific topics.

Printability:

All pages are printable, allowing users to print specific sections or the entire manual.

Image Resolution:

High-resolution images and diagrams that can be enlarged for clarity.

Binding:

Digital (PDF), eliminating the need for physical binding.

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Base Engine:

2.4L DOHC Inline-4 Naturally Aspirated

Turbo Engine:

2.0L DOHC Turbocharged Inline-4

Hp Base Engine:

Approximately 182 hp @ 6700 rpm

Torque Base Engine:

Approximately 172 lb-ft @ 4900 rpm

Hp Turbo Engine:

Approximately 220 hp @ 5300 rpm

Torque Turbo Engine:

Approximately 260 lb-ft @ 2500-4000 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Standard Transmission:

6-speed automatic transmission

Optional Transmission:

While less common for 2013 in North America, some global markets might have offered a manual transmission. The primary offering was automatic.

Transmission Control:

Electronically controlled with a sophisticated transmission control module (TCM) for optimized shift points and performance.

📐 Dimensions

Length:

Approx. 191.3 inches

Width:

Approx. 73.1 inches

Height:

Approx. 58.4 inches

Wheelbase:

Approx. 107.8 inches

Curb Weight:

Varies by trim and drivetrain, typically ranging from 3,400 to 3,700 lbs.

🛡️ Safety Features

NHTSA Overall Rating:

Likely received a 5-star overall safety rating from NHTSA (as is common for vehicles of this class and era, though specific 2013 ratings should be verified).

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC) with rollover mitigation, available all-wheel drive (AWD).

Passive Safety Features:

Frontal airbags, side-impact airbags, curtain airbags, active head restraints, front seatbelt pretensioners.

💡 Technology Features

Infotainment System:

Buick IntelliLink infotainment system, featuring a color touchscreen display, Bluetooth connectivity for audio streaming and hands-free calling, USB ports, and available navigation.

Driver Assistance Features:

Available features include rearview camera, front and rear parking assist, blind-spot monitoring, and rear cross-traffic alert. Adaptive cruise control may also be an option.

Connectivity Features:

Bluetooth connectivity, USB integration, and available SiriusXM Satellite Radio.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 miles or 12 months, whichever comes first, under normal driving conditions. Severe driving conditions may require more frequent changes.

Engine Air Filter Replacement:

Recommended every 30,000-45,000 miles or as needed based on inspection.

Cabin Air Filter Replacement:

Recommended every 15,000-30,000 miles or annually.

Spark Plug Replacement:

Typically at 90,000-100,000 miles for iridium-tipped plugs, consult manual for specific type.

Engine Oil Type:

SAE 5W-30 synthetic blend or full synthetic oil meeting GM dexos1 specification.

Transmission Fluid Type Auto:

Dexron VI automatic transmission fluid.

Coolant Type:

GM-approved orange coolant (ethylene glycol-based).

Common Issues:

Potential issues may include early wear on front suspension components (struts, control arm bushings), occasional problems with the power steering system (especially electric power steering components), and water pump leaks on some engine variants. Turbocharged models may require more diligent maintenance.

📚 Vehicle History

Buick Legacy:

Buick, established in 1899, is one of America's oldest automotive brands, known for its emphasis on comfort, quietness, and upscale appointments.

Regal Lineage:

The Regal nameplate has a long history, with the fifth generation (introduced in North America for the 2011 model year) being a significant departure, adopting a more athletic and European-inspired design and platform (GM Epsilon II), shared with the Opel Insignia.

Manufacturing Location:

Primarily manufactured in Oshawa, Ontario, Canada for the North American market.

🏆 Awards & Recognition

Award History:

The Buick Regal, particularly in its turbocharged and performance-oriented trims (like the Regal GS, though not explicitly mentioned for 2013 in this description, similar versions existed), has received praise for its handling and driving dynamics compared to previous Buick models.