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Introduction
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Market Position
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Vehicle Segment:
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Compact to Mid-size Pickup Truck
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Competitive Landscape 1999:
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Ford Ranger, Toyota Tacoma, Nissan Frontier, Chevrolet S-10, GMC Sonoma
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Key Features
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Powertrain Options:
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Known for offering a robust V6 engine, often a rebadged Ford or Mazda design
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Body Styles:
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Regular Cab, Extended Cab (Cab Plus), Short Bed, Long Bed configurations
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Target Demographic:
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Work truck users, light commercial applications, individuals seeking a capable and reliable compact pickup
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Manual Coverage
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Systems Covered
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Engine Mechanical:
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Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing system, lubrication system, cooling system, fuel delivery, exhaust system
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Engine Performance:
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Ignition system, fuel injection system (EFI), emissions control systems, turbocharging (if applicable), engine diagnostics
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Transmission:
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Manual transmission (M5OD-R1), Automatic transmission (4R55E/4R55W), Clutch system, driveline, driveshafts, universal joints, propeller shafts
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Brakes:
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Front disc brakes, rear drum brakes, ABS system, hydraulic system, parking brake
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Suspension Steering:
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Front independent suspension (Torsion bar), rear leaf spring suspension, steering gear, power steering system, wheels and tires
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Electrical System:
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Battery, starting system, charging system (alternator), lighting system, instrumentation, interior/exterior electronics, fuses, relays, wiring diagrams
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Body Chassis:
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Frame, body panels, doors, hood, tailgate, interior trim, bumpers, glass, seals, chassis components
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HVAC:
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Heating, Ventilation, and Air Conditioning (HVAC) system, components, and diagnosis
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Procedures Included
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Maintenance:
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Scheduled maintenance (oil changes, filter replacements, fluid checks), lubrication, inspections
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Troubleshooting:
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Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts
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Repair Rebuild:
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Detailed step-by-step repair and overhaul procedures for all major mechanical and electrical components
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Diagnostics:
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OBD-II diagnostics, sensor testing, actuator testing, electronic control module (ECM) diagnosis
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Specifications:
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Torque specifications, clearances, alignment specifications, fluid capacities
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Wiring Diagrams:
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Complete and detailed electrical wiring diagrams for all vehicle systems
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Technical Depth
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Depth Of Coverage:
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In-depth, covering everything from routine maintenance to complete engine and transmission overhauls
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Target Audience:
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Professional technicians, experienced DIY mechanics, and serious automotive enthusiasts
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Engine Specifications
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Primary Engine
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Engine Name:
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4.0L V6 OHV (Based on Ford Cologne engine family)
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Displacement:
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3952 cc (241 cubic inches)
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Bore X Stroke:
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3.95 x 3.34 inches (100.3 mm x 84.9 mm)
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Compression Ratio:
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8.8:1
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Performance
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Horsepower Net Approx:
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160 hp @ 4200 rpm
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Torque Net Approx:
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220 lb-ft @ 2200 rpm
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Fuel System
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Fuel Delivery:
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Electronic Fuel Injection (EFI) with Sequential Multi-Port Fuel Injection (MPI)
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Fuel Type:
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Unleaded gasoline
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Fuel Pump Pressure Psi:
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30-45 psi
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Fluid Specifications
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Engine Oil Type:
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API SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for specific climate recommendations)
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Engine Oil Capacity Quarts:
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5.0 US quarts (with filter)
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Coolant Type:
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Ethylene glycol-based antifreeze, meeting Ford specification WSS-M97B57-A
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Cooling System Capacity Quarts:
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12.5 US quarts
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Transmission
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Standard
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Transmission Type Standard:
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5-Speed Manual Transmission (M5OD-R1)
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Optional
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Transmission Type Optional:
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4-Speed Automatic Transmission (4R55E/4R55W)
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Features
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Automatic Transmission Features:
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Electronic controls, Overdrive (4th gear)
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Fluid Specifications
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Manual Transmission Fluid Type:
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API GL-4, SAE 75W-90 gear oil
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Automatic Transmission Fluid Type:
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Mercon V (or equivalent meeting Ford spec XT-5-QM) - Note: Some earlier 4R55E models may have used Mercon, but Mercon V is generally backward compatible and recommended for this era.
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Automatic Transmission Fluid Capacity Quarts:
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Approx. 11.5 US quarts (total capacity, including torque converter)
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Driveline
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Driveline Configuration:
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Rear-Wheel Drive (RWD) or Four-Wheel Drive (4WD)
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Dimensions
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Exterior
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Wheelbase Inches:
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114.5 (Short Bed) / 125.7 (Long Bed)
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Overall Length Inches:
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190.5 (Short Bed) / 202.7 (Long Bed)
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Overall Width Inches:
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71.5
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Overall Height Inches:
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66.4 (RWD) / 67.2 (4WD)
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Cargo
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Bed Length Inches:
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71.8 (Short Bed) / 84.0 (Long Bed)
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Weights
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Curb Weight Lbs Approx:
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3600 - 4100 lbs (depending on configuration)
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Payload Capacity Lbs Approx:
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1100 - 1500 lbs
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Towing Capacity Lbs Approx:
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Up to 6000 lbs (when properly equipped with towing package)
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Wheels Tires
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Wheel Bolt Pattern:
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5 x 114.3 mm (5 x 4.5 inches)
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Standard Tire Size:
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P215/70R15 or P235/75R15 (depending on trim and configuration)
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Standard Wheel Size:
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15 x 6.0 or 15 x 7.0 inch steel or alloy
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Safety Features
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Ratings
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NHTSA Driver Side Impact Rating 1999:
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Likely 4-star (based on similar Ford Ranger models of the era, specific Mazda B4000 data may vary)
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NHTSA Passenger Side Impact Rating 1999:
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Likely 4-star (based on similar Ford Ranger models of the era, specific Mazda B4000 data may vary)
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Active Features
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Anti Lock Brakes ABS:
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Standard on most models, typically rear-wheel ABS or 4-wheel ABS
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Traction Control:
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Optional or unavailable on most models for this year
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Passive Features
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Airbags Driver:
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Standard driver-side airbag
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Airbags Passenger:
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Optional passenger-side airbag (often part of a package)
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Seatbelts:
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Front three-point manual seatbelts with pretensioners; lap belts for rear passengers in Extended Cabs
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Maintenance
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Service Intervals
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Oil Change Interval Miles:
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Every 3,000-5,000 miles or 6 months, whichever comes first (depending on driving conditions and oil used; consult manual for specifics)
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Engine Air Filter Replacement Miles:
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Every 15,000-30,000 miles or as needed based on inspection
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Fuel Filter Replacement Miles:
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Every 30,000 miles (for inline filters if equipped)
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Spark Plug Replacement Miles:
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Every 100,000 miles (for iridium or platinum-tipped plugs, typically)
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Transmission Fluid Change Miles:
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Automatic: Every 30,000-60,000 miles (depending on use); Manual: Every 60,000 miles
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Coolant Flush Miles:
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Every 30,000-60,000 miles or 2-4 years
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Known Issues
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Common Wear Items:
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Ball joints, tie rod ends, U-joints, brake components, exhaust system components
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Engine Specific Concerns:
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Potential for spark plug blow-out in some 4.0L V6 engines (thread repair kits often available); intake manifold gasket leaks on some older Ford engines, though less common on this specific Mazda application.
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Transmission Specific Concerns:
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Automatic transmission solenoid issues or torque converter shudder on high-mileage units; clutch wear on manual transmissions.
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Electrical Concerns:
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Occasional alternator failure, starter issues, and wiring harness degradation over time.
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Rust Corrosion:
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Frame and body corrosion can be an issue in areas exposed to road salt or harsh environments.
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Vehicle History
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Brand Heritage
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Mazda Truck Heritage:
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Mazda has a long history of producing small, reliable trucks globally, with models like the B-Series being a long-standing offering
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Model Evolution
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B Series Platform:
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The Mazda B4000 is part of the Mazda B-Series line, which shared significant platform and componentry with the Ford Ranger due to a joint venture/manufacturing agreement between Mazda and Ford.
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Generation 1999:
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This model year falls into the fourth generation of the Mazda B-Series (UA/UB/UC/UD) which ran from approximately 1998-2001. It was a significant redesign from the previous generation.
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Production
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Manufacturing Location:
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Typically assembled in North America (e.g., Ford's Twin Cities Assembly Plant in St. Paul, Minnesota)
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Badge Engineering:
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The Mazda B4000 is essentially a rebadged Ford Ranger (specifically, it aligns closely with the Ford Ranger Splash and FX4 trims of this era, depending on options).
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