Market Position:
Essential resource for owners and professional mechanics of the 1991 Mazda B Series Pickup Truck, offering extensive repair and maintenance information to reduce reliance on expensive dealer services or physical manuals.
Competitive Analysis:
Provides a cost-effective alternative to OEM paper manuals, offering digital convenience and the ability to print only necessary sections. Comparable to professional workshop manuals in its depth of coverage.
Key Features:
Over 1000 pages of detailed procedures, part layouts, wiring schematics, part numbers, and diagnostic information. Adaptable for both novice DIYers and experienced professionals. Supports both Windows and Mac operating systems.
Systems Covered:
Engine mechanical, engine control (EFI), fuel system, cooling system, exhaust system, manual transmission, automatic transmission, driveline, chassis, suspension (front & rear), steering, brakes (hydraulic & parking), electrical system (starting, charging, ignition, lighting, accessories), HVAC system, body and frame, interior components, exterior trim, diagnostic procedures, wiring schematics.
Procedures Included:
Routine maintenance, component removal and installation, disassembly and reassembly, adjustment procedures, troubleshooting diagnostic charts, repair procedures, specifications, diagrams, and part layouts.
Technical Depth:
Comprehensive from basic maintenance and fluid checks to advanced engine diagnostics, transmission overhauls, and detailed electrical system repairs. Includes over 90 separate PDF sections.
Wiring Schematics:
Detailed wiring diagrams for all major electrical systems, including engine control, lighting, ignition, charging, instruments, and accessories. Essential for diagnosing electrical faults.
Diagnostic Procedures:
Step-by-step troubleshooting guides for common problems, fault code interpretation (if applicable to EFI system), and diagnostic tests for various components.
Part Numbers:
Includes OEM part numbers for many components, aiding in identification and sourcing of replacement parts.
Bodywork Coverage:
Includes procedures for body panel alignment, repair of minor collision damage, removal and installation of exterior trim, glass replacement, and interior component fitting.
Cooling System Coverage:
Radiator, water pump, thermostat, hoses, fan clutch/electric fan operation, coolant capacity and flushing procedures.
Brake System Coverage:
Front disc and rear drum brake systems, hydraulic lines, master cylinder, brake fluid specifications, bleeding procedures, parking brake adjustment.
Suspension Coverage:
Front independent suspension (likely torsion bar or coil spring), rear leaf spring solid axle, shock absorbers, bushings, ball joints, and alignment specifications.
Primary Engine:
2.6L (2555cc) 4-Cylinder SOHC (FE-T, FE-3 variants potentially for turbo/performance models, but base is likely naturally aspirated FE)
Horsepower Base:
Approximately 105-110 HP (for the 2.6L)
Torque Base:
Approximately 140-145 lb-ft (for the 2.6L)
Fuel System:
Electronic Fuel Injection (EFI)
Fuel Pump Type:
In-tank electric fuel pump (EFI system)
Engine Codes:
Likely FE (naturally aspirated 2.6L), and potentially F2 (2.2L) or G6 (2.6L) depending on specific market and sub-model variants within the B Series lineage. Manual covers 'All Models'.
Engine Displacements:
2.2L (2184cc) and 2.6L (2555cc) 4-cylinder gasoline engines
Engine Type:
Inline 4-Cylinder, OHC (Overhead Cam)
Standard Transmission:
5-Speed Manual Transmission
Optional Transmission:
4-Speed Automatic Transmission
Transmission Fluid Type:
Manual: Gear oil (API GL-4), Automatic: ATF Dexron-II or equivalent (refer to manual for specific part numbers/capacities)
Driveline Options:
Rear-Wheel Drive (RWD) and 4-Wheel Drive (4WD) options available depending on trim and configuration.
Wheelbase Options:
Typically 108.3 inches (standard) and 121.3 inches (long bed)
Overall Length:
Varies by wheelbase and bed length, manual will provide specific dimensions.
Bed Length Options:
Likely 74.3 inches (standard) and 96.3 inches (long bed)
Curb Weight Range:
Approximately 2,800 - 3,500 lbs (depending on configuration)
Gross Vehicle Weight Rating Gvw:
Varies by model, typically in the 3,500 - 4,500 lb range. Manual will provide exact GVWR for each configuration.
Infotainment Features:
Basic AM/FM radio with cassette player, manual climate controls (heater/AC), analog gauges for speed, RPM, fuel, and temperature.
Driver Assistance Features:
Primarily focused on passive safety; active driver assistance systems were not prevalent in this segment at the time.
Connectivity Features:
Limited to basic accessory power outlets for charging devices. No integrated Bluetooth or USB ports.
Service Intervals:
The manual will detail specific intervals for oil changes (e.g., every 3,000-5,000 miles or 3-6 months), filter replacements, spark plugs, coolant flushes, transmission fluid changes, brake fluid flushes, and timing belt replacement (critical for FE engines, typically around 60,000 miles). These will be explicitly detailed within the manual.
Timing Belt Replacement Interval:
Crucial maintenance item, typically recommended every 60,000 miles or 4 years. Manual will provide specific details and torque specifications.
Engine Oil Type:
API SG, SAE 5W-30 or 10W-30 (refer to manual for specific viscosity based on climate and engine type)
Coolant Type:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water (refer to manual for specific type and capacity)
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification)
Power Steering Fluid Type:
ATF Dexron-II or equivalent (refer to manual for exact specification and capacity)
Transmission Fluid Capacity Manual:
Approximately 2.5-3.0 liters (refer to manual for exact capacity and fill procedure)
Transmission Fluid Capacity Automatic:
Approximately 7.0-8.0 liters (refer to manual for exact capacity and fill procedure)
Known Issues:
Common issues for this era might include rust/corrosion (especially in certain climates), potential for exhaust manifold cracks, wear in suspension bushings and ball joints, and aging electrical connectors. The manual will provide troubleshooting for these and more.
Brand Heritage:
Mazda has a long history of producing reliable and often spirited vehicles, including a strong lineage of light-duty trucks known for their durability and value.
Model Evolution:
The B Series, also known as the Mazda Truck or Mazda Bravo in some markets, underwent significant redesigns. The 1991 model falls into the second generation (1986-1997), characterized by its unibody construction and the introduction of more modern features and engine options compared to earlier generations.
Model Lineage:
Part of Mazda's long-running compact pickup truck series, which dates back to the early 1960s with the Mazda K360.
Production Location:
Likely Japan (Mazda's primary manufacturing hubs) or North America (under Mazda's partnership with Ford, sharing platform with Ford Ranger/Bronco II in some iterations but B-Series was distinct.)
Assembly Variants:
Known to be produced in various global markets, including North America and Japan, with potential platform sharing with Ford vehicles during this period.