Target Audience:
DIY Mechanics, Independent Repair Shops, Buick Regal Owners
Advantage:
Licensed OE Information, Digital Convenience, Comprehensive Coverage
Content Source:
RepairSurge (Licensed OE Materials)
Accessibility:
PC, Laptop, Smartphone, Tablet Compatible via Web Browser
Engine Mechanical:
Complete Engine Systems (4.3L V6, 3.1L V6, 3800 V6)
Engine Electrical:
Ignition, Fuel Injection, Emissions Control, Starting, Charging
Transmission:
Automatic Transaxle (THM3T40-E), Manual Transmission (if applicable)
Brakes:
Front/Rear Disc Brakes, ABS (if equipped)
Suspension Steering:
Front Strut, Rear Suspension, Power Steering System
Electrical Body:
Lighting, Power Accessories, Instrument Cluster, Body Control Modules
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System
Body Chassis:
Body Panels, Frame, Bumpers, Doors, Windows
Wiring Diagrams:
Complete Electrical Schematics for all Systems
Maintenance:
Scheduled Maintenance (Oil Changes, Filter Replacements, Fluid Checks)
Troubleshooting:
Diagnostic Procedures for Common and Intermittent Faults
Repair:
Step-by-Step Repair Instructions for Major Components and Systems
Rebuild:
Engine and Transmission Rebuild Procedures
Component Replacement:
Detailed Replacement Guides for Brakes, Suspension, Steering, etc.
Depth:
Comprehensive Factory-Level Diagnostics and Repair
Engine 1 Displacement:
4.3L (262 cu. in.)
Engine 1 Configuration:
90° V6
Engine 1 Fuel System:
Throttle Body Injection (TBI) or Multi-Port Fuel Injection (MPFI)
Engine 2 Displacement:
3.1L (191 cu. in.)
Engine 2 Configuration:
60° V6
Engine 2 Fuel System:
Multi-Port Fuel Injection (MPFI)
Engine 3 Displacement:
3.8L (231 cu. in.) 3800
Engine 3 Configuration:
90° V6
Engine 3 Fuel System:
Multi-Port Fuel Injection (MPFI)
Horsepower Range:
Approx. 120-170 HP (depending on engine)
Torque Range:
Approx. 190-225 lb-ft (depending on engine)
Transmission Type Standard:
4-Speed Automatic Transaxle (THM3T40-E)
Transmission Type Optional:
5-Speed Manual (Less Common)
Transmission Fluid Spec:
Dexron-III (or equivalent)
Airbags:
Driver-side airbag standard, Passenger airbag optional
Seatbelts:
Front 3-point, Rear 2-point or 3-point
ABS:
Anti-lock Braking System (ABS) available on some models
NHTSA Frontal Impact:
Refer to specific NHTSA reports for 1993 models; generally adequate for the era.
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, using synthetic blend or conventional oil.
Transmission Fluid Service:
Every 30,000-50,000 miles, or as per owner's manual, depending on driving conditions.
Coolant Flush:
Every 2-3 years or 30,000 miles.
Engine Oil Type:
API SF or SG rated, SAE 5W-30 recommended (check manual for variations).
Coolant Type:
GM Type 1 Coolant (Green) or equivalent.
Common Problems:
Head gasket failures (3.1L V6), intake manifold gasket leaks, fuel pump issues, ABS sensor failures, climate control actuator issues.
Maintenance Focus:
Regularly check coolant levels and condition, monitor for oil leaks (especially around intake manifold and valve covers).
Brand Legacy:
Buick is a division of General Motors, known for comfortable, upscale, and stylish American automobiles.
Regal Generation:
This 1993 Regal belongs to the fourth generation (1990-1996) of the Buick Regal, which saw a shift to a more aerodynamic and rounded design.
Manufacturing Location:
Oshawa, Ontario, Canada; Lake Orion, Michigan, USA
