🏷️ Basic Information Identification Make: Buick Model: Rainier Model Years Covered: 2004, 2005, 2006, 2007 Platform: GMT360/370 Codes Vin Decode Prefix: 1G (General Motors) 👋 Introduction Market Position Segment: Mid-size Luxury SUV Positioning: Positioned as a more refined and comfortable alternative to sportier SUVs, sharing its platform with the Chevrolet TrailBlazer and GMC Envoy. Competitive Analysis Competitors: Ford Explorer, Jeep Grand Cherokee, Toyota 4Runner, Nissan Pathfinder Key Features Unique Selling Points: Smooth ride quality, upscale interior appointments, powerful inline-six and V8 engine options, and robust towing capability. Manual Value Proposition Benefit: Enables DIY repairs, saves money on dealership service, provides expert knowledge for efficient maintenance and troubleshooting. 📋 Manual Details Coverage Areas Engine Overhaul Rebuilding: Yes Brakes: Yes Sunroof: Yes Timing Belt Replacement: Yes Trouble Codes: Yes Wiring Diagrams: Yes Troubleshooting Diagnostics: Yes Computer Diagnostic Trouble Tree Charts: Yes Engine Performance: Yes Front End Alignment: Yes Suspension: Yes Transmission Removal Installation: Yes Air Conditioning Service: Yes Transmission In Car Servicing: Yes Computer Diagnostic Codes: Yes Firing Orders: Yes Factory Maintenance Schedules: Yes Serpentine Belt Routings: Yes U Joint Cv Joint Service: Yes Vacuum Diagrams: Yes Page Count Total Pages: 9000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF Compatibility: Windows, Mac, iOS, Android 📖 Manual Coverage Systems Covered Powertrain: Engine (I6, V8), Transmission (4L60-E, 4L70-E), Drivetrain (RWD, AWD) Chassis: Suspension (Front: Independent Short-Long Arm; Rear: Solid Axle), Brakes (Front: Disc; Rear: Disc, ABS), Steering (Power Rack and Pinion) Electrical: Complete Wiring Diagrams for all systems, Ignition System, Charging System, Lighting, Instrumentation, HVAC Control, Power Accessories, Body Control Module (BCM) Body: Exterior Body Panels, Doors, Hood, Tailgate, Interior Trim, Glass, Sunroof System Procedures Included Maintenance: Factory Scheduled Maintenance, Fluid Changes (Oil, Coolant, Transmission Fluid, Brake Fluid), Filter Replacements, Belt Inspections/Replacement, Spark Plug Replacement Diagnostics: OBD-II Diagnosis, Diagnostic Trouble Codes (DTCs), Pinpoint Tests, Troubleshooting Flowcharts, Diagnostic Trouble Tree Charts, Component Testing Repair: Engine Rebuilds, Transmission Servicing/Overhaul, Brake System Repairs, Suspension Component Replacement, Steering System Repairs, Electrical Component Diagnosis and Replacement, Body Panel Repair Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls. Includes detailed diagnostic procedures and specifications for all repair tasks. 📊 Manual Specifications File Format File Quality: Original Adobe PDF, Perfect Quality Searchability: Fully Searchable by Keyword Print Quality Printable: Printable (Entire Manual or Selected Pages) Zoom Capability: Zoom In/Out on Diagrams and Illustrations Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Inline 6 Cylinder: 4.2L (4157cc) Vortec Atlas I6 (LL8); 275 hp @ 5600 rpm; 275 lb-ft torque @ 3200 rpm. Features DOHC, 4 valves per cylinder, sequential fuel injection. Optional Engine V8 Cylinder: 5.3L (5328cc) Vortec V8 (LM4/LH6); 285-290 hp @ 5200-5300 rpm; 325-330 lb-ft torque @ 4000 rpm. Features OHV, 2 valves per cylinder, active fuel management (on some models/years), sequential fuel injection. Performance Fuel Delivery: Multi-Port Fuel Injection (MPFI) Fuel System Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 4-speed automatic (4L60-E) Optional Transmission Type V8: 4-speed automatic (4L70-E - often with enhanced features for V8) Features Transmission Features: Electronic Controls, Tow/Haul mode 📐 Dimensions Exterior Wheelbase: Approx. 113 inches Length: Approx. 192-194 inches Weights Curb Weight: Approx. 4,600 - 5,000 lbs (depending on configuration) Towing Capacity: Up to 6,600 lbs (with appropriate equipment) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4-star (typically for 2WD and AWD models, verify specific year) IIHS Crash Test Results: Generally rated 'Good' in frontal offset tests, but some side impact ratings may vary. Manual would provide detailed specs. Active Features Active Safety: ABS (Anti-lock Braking System), Traction Control System (TCS), StabiliTrak (optional on some models) Passive Features Passive Safety: Front Airbags, Side-Impact Airbags (optional/standard depending on trim), Seatbelt Pretensioners, Crumple Zones 💡 Technology Features Infotainment Infotainment System: Optional Bose premium audio system, CD player, available rear-seat entertainment system. Basic infotainment for its era. Driver Assistance Driver Assistance Features: Rear Park Assist (optional), Cruise Control. Limited advanced driver assistance systems by modern standards. Connectivity Connectivity Options: No advanced connectivity features like Bluetooth or USB integration in early models; later models might have limited options. OnStar capability available. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specific recommendations based on oil viscosity). Transmission Fluid Change: Every 45,000-60,000 miles, or as per manual recommendations, especially for towing. Coolant Change: Initial change at 5 years/100,000 miles, then every 2 years/30,000 miles thereafter with Dex-Cool coolant. Fluid Specifications Engine Oil Type I6: SAE 5W-30 (API Service SG or higher) for 4.2L I6. Dexos 1 or equivalent may be acceptable for newer formulations if meeting GM specifications. Engine Oil Type V8: SAE 5W-30 (API Service SG or higher) for 5.3L V8. Dexos 1 or equivalent may be acceptable...