🏷️ Basic Information Identification Make: Buick Model: Rainier Year: 2004 Generation: First Generation (GMT360) 📋 Manual Details Manual Info Manual Type: Service & Repair Manual Software Language: English Format: PDF Download Access Access Duration: 1 Year Compatibility: PC, Laptop, Smartphone, Tablet Content Source Source Type: OE Materials (Licensed) Developer: RepairSurge ⚙️ Engine Specifications Engine 1 Engine Type: Inline 6-Cylinder Displacement: 4.2 Liters (256 cu in) Bore X Stroke: 3.74 in x 3.62 in (95.0 mm x 92.0 mm) Compression Ratio: 10.0:1 Fuel Delivery: Sequential Electronic Fuel Injection (SFI) Horsepower: 275 hp @ 5600 rpm Torque: 275 lb-ft @ 3200 rpm Engine 2 Engine Type: V8 Displacement: 5.3 Liters (327 cu in) Bore X Stroke: 3.78 in x 3.74 in (96.0 mm x 95.0 mm) Compression Ratio: 9.5:1 Fuel Delivery: Sequential Electronic Fuel Injection (SFI) Horsepower: 290 hp @ 5200 rpm Torque: 325 lb-ft @ 4000 rpm 🔧 Transmission Transmission Info Type: Automatic Gears: 4-Speed Transmission Model: 4L60-E Drivetrain: Rear-Wheel Drive (RWD) / All-Wheel Drive (AWD) 📐 Dimensions Exterior Length: 193.4 inches Width: 75.1 inches Height: 75.7 inches Wheelbase Wheelbase: 116 inches Weight Curb Weight: 4,733 - 4,824 lbs 🔧 Maintenance Engine Oil Recommended Oil Viscosity: SAE 5W-30 Oil Capacity 4.2L I6: 7.0 Quarts Oil Capacity 5.3L V8: 7.0 Quarts Coolant Coolant Capacity: 14.9 Quarts Service Interval Oil Change Interval: 7,500 miles or 6 months (whichever comes first) Tire Pressure Front Tire Pressure: 30 psi Rear Tire Pressure: 30 psi 📄 Chassis Suspension Front Type: Independent, Torsion Bar Suspension Rear Type: Solid Axle, Multi-link Brakes Front Type: Ventilated Disc Brakes Rear Type: Disc Steering Type: Rack and Pinion, Power Assisted