🏷️ Basic Information Identification Make: Chevrolet Model: HHR Year: 2007 Model Code: GM Delta platform (same as Cobalt, Ion, G5) Codes Vin Code: 1G 👋 Introduction Market Position Vehicle Segment: Compact Crossover Utility Vehicle (CUV) / Retro-styled compact car. Design Inspiration: Inspired by the Chevrolet HHR Concept, which itself drew heavily from classic American vehicles like the 1949-'55 Chevrolet trucks and the Chevrolet SSR. Competitive Analysis Key Competitors: Scion xB, Kia Soul, Nissan Cube (in terms of unique styling and utility). Key Features Styling: Distinctive retro-modern styling, upright stance, prominent grille, and signature rounded fenders. Versatility: Versatile interior with foldable rear seats and a flat load floor, offering good cargo capacity for its size. 📋 Manual Details Coverage Areas Coverage Summary: Complete service and repair procedures for all 2007 Chevrolet HHR models, including all engine, transmission, and trim variants. Page Count Estimated Page Count: Extensive (Exact number not provided, but typical for complete workshop manuals covering all aspects) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, connecting rods, lubrication system, cooling system, fuel system, ignition system, emission control systems. Engine Performance: Engine diagnostics, tuning, troubleshooting specific performance issues. Transmission Manual: Manual transmission removal, installation, internal components, clutch system. Transmission Automatic: Automatic transmission removal, installation, internal components, hydraulic system, torque converter. Drivetrain: Front wheel drive system, axles, CV joints, differential. Suspension: Front and rear suspension components, struts, springs, control arms, bushings, wheel alignment. Brakes: Front and rear brake systems, disc brakes, brake pads, rotors, calipers, brake lines, parking brake, ABS. Steering: Power steering system, steering column, steering gear, tie rods. Electrical System: Battery, charging system, starter, alternator, fuses, relays, wiring diagrams, lighting system, power windows, power locks. Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, seals, exterior trim. Body Interior: Seats, dashboard, trim panels, carpeting, headliner, HVAC system controls. HVAC: Heating, ventilation, and air conditioning system components, refrigerant, controls, troubleshooting. Safety Systems: Airbag system, seat belts, SRS troubleshooting. Diagnostic Tools: OBD-II diagnostics, diagnostic trouble codes (DTCs), scan tool procedures. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tire rotation, brake inspection. Troubleshooting: Step-by-step diagnostic procedures for common and complex issues across all vehicle systems. Repair: Detailed instructions for disassembling, repairing, and reassembling all major vehicle components and systems. Installation: Procedures for installing new or replacement parts and accessories. Wiring Diagrams: Comprehensive electrical system wiring diagrams for accurate troubleshooting and repair. Special Tools: Identification of and instructions for using any specialized tools required for specific repairs. Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission overhauls. Includes diagnostic procedures and specifications. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable PDF for quick information retrieval. Print Quality Printability: High-quality, printable pages allowing for individual chapter or full manual printing. Binding Type Binding: Not applicable (digital download) Paper Type Paper Quality: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine Type 1: 2.2L Ecotec Inline-4 Engine Code 1: LE8 (2.2L) Displacement 1: 2198 cc (134 cu in) Horsepower 1: 149 hp @ 5600 rpm Torque 1: 152 lb-ft @ 4000 rpm Optional Engine Engine Type 2: 2.4L Ecotec Inline-4 (VVT) Engine Code 2: LE5 (2.4L) Displacement 2: 2384 cc (145 cu in) Horsepower 2: 175 hp @ 6200 rpm Torque 2: 165 lb-ft @ 4800 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Performance Compression Ratio 2.2L: 9.8:1 Compression Ratio 2.4L: 10.4:1 Turbocharged Option: SS Super Sport model features a supercharged 2.0L Ecotec (LSJ), not covered in this 2007 manual's primary engine description but relevant for model completeness. 🔧 Transmission Standard Transmission Standard: 5-speed Manual Transmission Optional Transmission Optional: 4-speed Automatic Transmission (4T45-E) Features Transmission Cooling: Automatic transmission includes an internal transmission fluid cooler, often integrated with the radiator. 📐 Dimensions Exterior Length: 171.9 inches (4366 mm) Width: 69.1 inches (1755 mm) Height: 63.6 inches (1615 mm) Wheelbase: 103.6 inches (2631 mm) Front Track: 59.4 inches (1509 mm) Rear Track: 59.4 inches (1509 mm) Interior Passenger Volume: Approx. 95.1 cu ft (2693 L) Cargo Cargo Volume Behind Rear Seats: 26.9 cu ft (761 L) Cargo Volume With Rear Seats Folded: 62.7 cu ft (1775 L) Weights Curb Weight Approx: 3000-3200 lbs (1361-1451 kg) depending on engine and transmission. Gross Vehicle Weight Rating Gvwr Approx: 4100-4200 lbs (1860-1905 kg) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test Driver: Five Stars (for 2006-2010 models generally) NHTSA Frontal Crash Test Passenger: Five Stars (for 2006-2010 models generally) NHTSA Side Impact Front Seat: Five Stars (for 2006-2010 models generally) NHTSA Side Impact Rear Seat: Five Stars (for 2006-2010 models generally) IIHS Roof Strength Rating: Good (for 2006-2010 models generally) Active Features ABS: Standard Anti-lock Braking System (ABS)...