🏷️ Basic Information Identification Make: Buick Model: Rainier Year: 2006 Generation: 1st Generation 📋 Manual Details Product Information Manual Type: Service & Repair Manual Software Format: PDF Download (Online Access) Provider: RepairSurge Access Duration: 1 Year Licensing: Officially Licensed Data Source: OE Materials Compatibility: PC, Laptop, Smartphone, Tablet (Web Browser) ⚙️ Engine Specifications Engine Options Engine Type: Inline-6 Displacement: 4.2L (4157 cc) Power: 275 hp @ 6000 rpm Torque: 275 lb-ft @ 4800 rpm Fuel System: Sequential Fuel Injection Engine Code: LL8 🔧 Transmission Transmission Options Type: Automatic Gears: 4-speed Transmission Model: 4L60-E 📐 Dimensions Exterior Dimensions Length: 193.4 in Width: 75.4 in Height: 71.0 in Weight And Capacity Wheelbase: 113.0 in Curb Weight: 4771 lbs 🔧 Maintenance Fluid Capacities Engine Oil Capacity: 7.0 quarts (with filter) Coolant Capacity: 13.4 quarts Transmission Fluid Capacity: 12.9 pints (3.2 quarts) Recommended Fluids Engine Oil Type: SAE 5W-30 Transmission Fluid Type: Dexron VI Service Intervals Oil Change Interval: 7,500 miles or 6 months (whichever comes first) Tire Rotation Interval: 7,500 miles 📄 Chassis And Suspension Suspension System Front Suspension: Independent, short-long arm (SLA), torsion bar springs Rear Suspension: Solid axle with multi-link, coil springs Steering Steering Type: Power assisted rack and pinion Brakes Front Brakes: Vented Disc Rear Brakes: Solid Disc 📄 Electrical System Battery Battery Voltage: 12V Lighting Headlight Type: Halogen