The Chevrolet HHR, produced from 2006 to 2010, is a distinctive multi-purpose vehicle (MPV) built on the GM Delta Platform. Its first generation is characterized by a retro-inspired design, drawing heavily from classic American hot rod and rat rod aesthetics of the mid-20th century, combined with the practical versatility of a compact crossover. This unique styling, along with its adaptable interior packaging, positioned the HHR as a standout in its segment, appealing to those seeking both distinctive looks and functional utility. Equipped with a 2.4L Ecotec LE5 engine, front-wheel drive, and available in various configurations, the HHR offered a blend of efficiency and capability for everyday use. This comprehensive service and repair manual provides detailed information for the 2007 Chevrolet HHR. It covers all major repair procedures, recommended maintenance schedules, and extensive electrical system wiring diagrams, ensuring owners and technicians have access to factory-level information. The manual includes diagnostic trouble codes, technical service bulletins, and systematic troubleshooting guides for common and complex issues. Its scope encompasses the engine, drivetrain, suspension, brakes, steering, HVAC, body, and safety systems, offering in-depth guidance from routine maintenance to major component overhauls, all presented in English for clarity and ease of use. 🏷️ Basic Information Identification Make: Chevrolet Model: HHR Year: 2007 Codes Body Style Code: MPV (Multi-Purpose Vehicle) Platform: GM Delta Platform Generation Generation: First Generation (HHR) 👋 Introduction Market Position Segment: Compact Crossover SUV / Compact MPV Target Audience: DIY enthusiasts, independent repair shops, HHR owners seeking detailed service information Competitive Analysis Competitors: Scion xB, Kia Soul, Nissan Cube (design and utility focus) Key Features Design Philosophy: Retro-inspired styling, versatile interior packaging reminiscent of classic wagons and hot rods Licensing: Officially licensed, derived from OE (Original Equipment) materials, ensuring accuracy and completeness Access Method: Web browser access via internet connection, compatible with PC, laptop, smartphone, and tablet Subscription Model: One-year access included, with discounts for renewal 📋 Manual Details Coverage Areas Diagnostic Trouble Codes: Comprehensive coverage of DTCs Repair Procedures: All major repair procedures for the 2007 HHR Maintenance Schedules: Detailed recommended maintenance schedules Wiring Diagrams: Extensive electrical system wiring diagrams Technical Service Bulletins: Includes relevant TSBs for the model year Page Count Estimated Page Count: Extensive (typical for OE service manuals, often exceeding 2000 pages in equivalent print format) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: PDF Download (via web browser access for one year) 📖 Manual Coverage Systems Covered Engine: 2.4L Ecotec LE5 (Naturally Aspirated) Drivetrain: Front Wheel Drive (FWD) Suspension: Front MacPherson strut, Rear torsion beam axle Brakes: Front disc, Rear drum (standard for most trims) Steering: Electric Power Steering (EPS) Electrical: Complete electrical system diagnosis, including body control modules, comfort and convenience systems, lighting, and audio HVAC: Heating, Ventilation, and Air Conditioning systems Body: Exterior and interior body panels, doors, windows, seats, and trim Safety Systems: Airbag system, seatbelt mechanisms, anti-lock braking system (ABS) Procedures Included Engine Repair: Engine overhaul, component replacement (e.g., timing chain, head gasket), diagnostic procedures Transmission Service: Fluid changes, seal replacement, diagnostic troubleshooting of automatic transmission Brake System Overhaul: Pad and rotor replacement, caliper servicing, bleeding procedure Suspension Component Replacement: Strut/shock absorber replacement, control arm servicing, ball joint inspection/replacement Electrical Diagnostics: Component testing, wiring harness repair, module programming guidance HVAC System Repair: Refrigerant system servicing, blower motor replacement, control panel troubleshooting Body And Trim Restoration: Panel alignment, minor body repair guidance, interior component removal/installation Troubleshooting Guides: Systematic diagnostic flowcharts for common and complex issues Technical Depth Depth: Comprehensive, covering routine maintenance to major component overhaul and advanced diagnostics. Factory-level information. 📊 Manual Specifications File Format File Type: PDF Print Quality Image Resolution: High resolution, suitable for printing and on-screen viewing Searchability: Searchable text content for quick information retrieval Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: LE5 Engine Type: Inline-4 Cylinder, Naturally Aspirated Displacement: 2.4 Liters (2384 cc) Bore X Stroke: 3.50 in x 3.82 in (89 mm x 97 mm) Compression Ratio: 9.8:1 Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves per cylinder, Variable Valve Timing (VVT) Performance Horsepower: 170 hp @ 6200 rpm Torque: 170 lb-ft @ 4800 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SFI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 Octane Cooling System Coolant Capacity: Approximately 7.6 liters (8.0 quarts) Oil System Oil Capacity: Approximately 4.8 liters (5.1 quarts) with filter change Recommended Oil Viscosity: SAE 5W-30 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Transmission Model: GM 4T45-E Transmission Fluid Capacity: Approximately 7.1 liters (7.5 quarts) for a complete fluid flush Transmission Fluid Specification: Dexron VI (or equivalent meeting GM specification) Optional Transmission Type: 5-Speed Manual Transmission Transmission Fluid Specification: GM Manual Transmission Fluid (MTF) - specific part number would be in manual 📐 Dimensions Exterior Length: 167.0 inches...