🏷️ Basic Information Identification Make: Oldsmobile Model: Custom Cruiser Year: 1991 Codes Chassis Code: GM B-Body Platform 👋 Introduction Market Position Positioning: The 1991 Oldsmobile Custom Cruiser was positioned as a comfortable, spacious, and stylish full-size station wagon, appealing to families and those needing ample cargo capacity, often associated with a premium or upscale offering within the traditional American station wagon segment. Competitive Analysis Competitors: Chevrolet Caprice/Impala SS Wagon, Buick Roadmaster Estate Wagon, Ford Country Squire/Woodie Wagon, Mercury Colony Park. Key Features Features: Rear-wheel drive, spacious interior, optional woodgrain exterior trim, comfortable ride, V8 engine options. Manual Value Proposition Value: Provides OE-derived, licensed service and repair information for DIY mechanics and enthusiasts, offering convenience, cost savings, and detailed guidance compared to out-of-print physical manuals. 📋 Manual Details Coverage Areas Covered Models: 1991 Oldsmobile Custom Cruiser Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online Software (Web Browser Accessible) Access Duration: 1 Year (with renewal options) Device Compatibility: PC, Laptop, Smartphone, Tablet (with internet and browser) 📖 Manual Coverage Systems Covered Powertrain: Engine (5.0L V8, 5.7L Diesel V8), Transmission (3-speed Automatic THM200-4R, 4-speed Automatic 4L60), Drivetrain (Rear Wheel Drive) Chassis: Suspension (Front Independent, Rear Solid Axle), Steering (Power Steering), Brakes (Front Disc, Rear Drum, ABS) Electrical: Wiring Diagrams, Lighting, Ignition System, Charging System, Starting System, Gauges and Instruments, Body Control Modules HVAC: Heating, Ventilation, Air Conditioning (Service and Repair) Body: Exterior Body Panels, Interior Trim, Glass, Doors, Seats, Bumpers Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Replenishments, Spark Plug Replacement, Belt Inspection and Replacement, Tire Rotation Repair: Engine Overhaul, Transmission Service, Brake System Repair, Suspension Component Replacement, Steering System Repair, Electrical Component Diagnosis and Repair, HVAC System Repair Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs) Interpretation (if applicable for the era's diagnostic capabilities), Component Testing Procedures Technical Depth Depth: Comprehensive: From basic preventative maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and specifications. 📊 Manual Specifications File Format File Type: Proprietary Online Software Print Quality Print Quality: N/A (Online Digital Format) Binding Type Binding: N/A (Online Digital Format) Paper Type Paper Quality: N/A (Online Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Option1: 307 (5.0L V8) Displacement Option1: 307 cubic inches (5.0 Liters) Horsepower Option1: 140-170 hp (approximate, varies by tuning) Torque Option1: 250-280 lb-ft (approximate, varies by tuning) Optional Engine Engine Code Option2: 350 (5.7L Diesel V8) Displacement Option2: 350 cubic inches (5.7 Liters) Horsepower Option2: 105-130 hp (approximate) Torque Option2: 200-225 lb-ft (approximate) Fuel System Fuel Delivery: Port Fuel Injection (TBI - Throttle Body Injection) Fuel Type: Unleaded Gasoline (Regular Octane) Engine Management ECM Type: GM Electronic Control Module (ECM) 🔧 Transmission Standard Transmission Type: Automatic Transmission Model: Turbo-Hydramatic 200-4R Gears: 4-Speed Automatic (3 Forward, 1 Reverse) Optional Optional Transmission Model: Turbo-Hydramatic 4L60 (4-Speed Automatic) Features Overdrive: Equipped with overdrive gear for improved fuel economy on the highway. Fluid Type Transmission Fluid: Dexron III Automatic Transmission Fluid (ATF) Fluid Capacity Fluid Capacity Approx: 10-12 quarts (depending on torque converter fill) 📐 Dimensions Exterior Length: 217.5 inches Width: 79.5 inches Height: 56.7 inches Wheelbase: 116.0 inches Weights Curb Weight: 4,100 - 4,500 lbs (approximate, varies by equipment) Gross Vehicle Weight Rating Gvw: 6,100 lbs (approximate) Cargo Cargo Volume Rear Seats Up: 46.3 cubic feet Cargo Volume Rear Seats Down: 87.6 cubic feet 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: Not rated by modern standards (vehicle predates comprehensive current testing protocols) NHTSA Frontal Impact Passenger: Not rated by modern standards (vehicle predates comprehensive current testing protocols) Passive Features Seat Belts: Three-point seat belts for front occupants, two-point lap belts for rear occupants. Airbags: Driver side airbag optional on some models/trims, not standard. Active Features ABS: Anti-lock Braking System (ABS) available as an option. Traction Control: Not typically available for this model year. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional premium sound systems, and CD player integration on later models. Climate Control: Manual or automatic climate control systems available, featuring air conditioning. Driver Assistance Cruise Control: Standard or optional cruise control system. Power Features: Power windows, power door locks, power mirrors, power driver's seat were common options. Connectivity Connectivity Features: No modern connectivity features like Bluetooth or USB; primarily analog systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months, whichever comes first, under normal driving conditions. Transmission Service Interval: Every 30,000-60,000 miles or as needed, depending on driving severity. Check fluid level and condition regularly. Coolant Flush Interval: Every 30,000 miles or 2 years. Fluid Specifications Engine Oil Specification: API SF or SG classification, SAE 10W-30 or 5W-30 (depending on climate). Coolant Specification: GM Delco-1872M or equivalent ethylene glycol coolant (50/50 mix with distilled water). Power Steering Fluid: Dexron III Automatic Transmission...