🏷️ Basic Information Identification Make: Chevrolet Model: Astro Year: 1991 Generation: First Generation 📋 Manual Details Product Information Manual Type: Service and Repair Manual Software Language: English Format: PDF Download / Online Access Publisher: RepairSurge Access Duration: 1 Year (with renewal options) Licensing: Officially Licensed Content Source: OE Materials ⚙️ Engine Specifications Engine 1 Engine Type: 4.3L V6 OHV 12-valve Displacement: 262 cu in (4.3 L) Fuel System: Multi-port Fuel Injection Horsepower: 160 hp @ 4200 rpm (estimated) Torque: 230 lb-ft @ 2800 rpm (estimated) 🔧 Transmission Transmission 1 Type: Automatic Gears: 4-speed Drive Type: Rear-Wheel Drive (RWD) / All-Wheel Drive (AWD) 🔧 Maintenance General Maintenance Recommended Oil Type: API Service SF or SG, SAE 5W-30 Engine Oil Capacity: 5 quarts (4.7 liters) Coolant Capacity: 15.8 quarts (14.9 liters) 📄 Vehicle Body Body Styles Body Styles Offered: Cargo Van, Passenger Van 📄 Chassis Suspension Front Suspension: Independent, Torsion bar Rear Suspension: Solid axle, Leaf springs Brakes Front Brakes: Power Disc Rear Brakes: Power Drum 📄 Electrical Battery Battery Voltage: 12V 📄 Fuel System Fuel Type Fuel Type: Unleaded Gasoline