Segment:
        
        
            Compact Crossover SUV / Compact MPV
        
     
    
        
            Target Audience:
        
        
            DIY enthusiasts, independent repair shops, HHR owners seeking detailed service information
        
     
    
    
        
            Competitors:
        
        
            Scion xB, Kia Soul, Nissan Cube (design and utility focus)
        
     
    
    
        
            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
        
     
 
    
    
    
        
            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
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive (typical for OE service manuals, often exceeding 2000 pages in equivalent print format)
        
     
    
    
        
            Type:
        
        
            Official Service and Repair Manual Software
        
     
    
    
    
    
        
            Format:
        
        
            PDF Download (via web browser access for one year)
        
     
 
    
    
    
        
            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)
        
     
    
    
        
            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
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering routine maintenance to major component overhaul and advanced diagnostics. Factory-level information.
        
     
 
    
    
    
    
        
            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)
        
     
    
    
        
            Valvetrain:
        
        
            DOHC (Dual Overhead Camshafts), 4 valves per cylinder, Variable Valve Timing (VVT)
        
     
    
    
        
            Horsepower:
        
        
            170 hp @ 6200 rpm
        
     
    
        
            Torque:
        
        
            170 lb-ft @ 4800 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Sequential Electronic Fuel Injection (SFI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
    
        
            Recommended Octane:
        
        
            87 Octane
        
     
    
    
        
            Coolant Capacity:
        
        
            Approximately 7.6 liters (8.0 quarts)
        
     
    
    
        
            Oil Capacity:
        
        
            Approximately 4.8 liters (5.1 quarts) with filter change
        
     
    
        
            Recommended Oil Viscosity:
        
        
            SAE 5W-30
        
     
 
    
    
    
        
            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)
        
     
    
    
        
            Transmission Type:
        
        
            5-Speed Manual Transmission
        
     
    
        
            Transmission Fluid Specification:
        
        
            GM Manual Transmission Fluid (MTF) - specific part number would be in manual
        
     
 
    
    
    
        
            Length:
        
        
            167.0 inches (4242 mm)
        
     
    
        
            Width:
        
        
            68.0 inches (1727 mm)
        
     
    
        
            Height:
        
        
            63.1 inches (1603 mm)
        
     
    
        
            Wheelbase:
        
        
            104.3 inches (2649 mm)
        
     
    
    
        
            Passenger Volume:
        
        
            Approximately 97.3 cubic feet (2755 liters)
        
     
    
    
        
            Cargo Volume Behind Rear Seat:
        
        
            26.1 cubic feet (739 liters)
        
     
    
        
            Cargo Volume With Rear Seat Folded:
        
        
            62.7 cubic feet (1775 liters)
        
     
    
    
        
            Curb Weight:
        
        
            Approximately 3100-3300 lbs (1406-1500 kg) depending on configuration
        
     
 
    
    
    
        
            NHTSA Frontal Impact Driver:
        
        
            ★★★★☆ (4 out of 5 stars)
        
     
    
        
            NHTSA Frontal Impact Passenger:
        
        
            ★★★★☆ (4 out of 5 stars)
        
     
    
        
            NHTSA Side Impact Driver:
        
        
            ★★★★☆ (4 out of 5 stars)
        
     
    
        
            NHTSA Side Impact Rear Passenger:
        
        
            ★★★★☆ (4 out of 5 stars)
        
     
    
        
            IIHS Frontal Offset Score:
        
        
            Good
        
     
    
        
            IIHS Side Impact Score:
        
        
            Good
        
     
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System (ABS)
        
     
    
        
            Traction Control:
        
        
            Available Traction Control System (TCS)
        
     
    
    
        
            Airbags:
        
        
            Standard front airbags, optional side-impact airbags
        
     
    
        
            Seatbelts:
        
        
            Three-point seatbelts with pretensioners for all seating positions
        
     
 
    
    
    
        
            Audio System:
        
        
            Available AM/FM stereo with CD player, MP3 playback, auxiliary input, and premium audio options.
        
     
    
        
            Navigation:
        
        
            Not commonly available for the 2007 model year; aftermarket solutions may exist.
        
     
    
    
        
            Cruise Control:
        
        
            Standard cruise control
        
     
    
        
            Parking Assist:
        
        
            Not typically available for this model year.
        
     
    
    
        
            Bluetooth:
        
        
            Not commonly available from the factory for the 2007 model year; aftermarket integration possible.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 7,500 miles (12,000 km) or 6 months, or as indicated by the Oil Life Monitoring System.
        
     
    
        
            Tire Rotation Interval:
        
        
            Every 7,500 miles (12,000 km)
        
     
    
        
            Engine Air Filter Replacement:
        
        
            Every 30,000 miles (48,000 km) or as needed based on inspection.
        
     
    
        
            Cabin Air Filter Replacement:
        
        
            Every 15,000 miles (24,000 km) or annually.
        
     
    
        
            Spark Plug Replacement:
        
        
            Iridium spark plugs: Typically 100,000 miles (160,000 km). Refer to manual for exact specification.
        
     
    
        
            Transmission Fluid Change Interval:
        
        
            Every 45,000 miles (72,000 km) under normal driving conditions, or sooner under severe conditions.
        
     
    
    
        
            Engine Oil Specification:
        
        
            GM dexos1™ Gen 2 or equivalent meeting GM6094M (for 5W-30). Check manual for latest spec.
        
     
    
        
            Coolant Specification:
        
        
            GM Engine Coolant (50/50 mix of GM P/N 12346290 or equivalent, and distilled water)
        
     
    
        
            Brake Fluid Specification:
        
        
            DOT 3
        
     
    
        
            Power Steering Fluid Specification:
        
        
            Refer to manual for Electric Power Steering (EPS) fluid type, as it may not use traditional hydraulic fluid.
        
     
    
    
        
            Engine Mounts:
        
        
            Premature wear of engine and transmission mounts, leading to vibration and noise.
        
     
    
        
            Throttle Body:
        
        
            Carbon buildup on the electronic throttle body, causing idle issues and stalling.
        
     
    
        
            Ignition Coils:
        
        
            Failure of ignition coils can lead to misfires and check engine lights.
        
     
    
        
            Power Steering System:
        
        
            Issues with the Electric Power Steering (EPS) system, including loss of assist or warning lights.
        
     
    
        
            HVAC Blower Motor:
        
        
            Failure of the HVAC blower motor resistor or motor itself.
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Chevrolet, a division of General Motors (GM)
        
     
    
    
    
        
            Design Inspiration:
        
        
            Classic 'hot rod' and 'rat rod' aesthetics, reminiscent of 1940s and 1950s American vehicles, but with a modern platform.
        
     
    
    
        
            Production Location:
        
        
            Lordstown Assembly Plant, Lordstown, Ohio, USA
        
     
    
        
            Production Years:
        
        
            2006-2010