2007 Chevrolet HHR LS, AutomaticFACTORY OEM SERVICE PROCEDURE

External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Manual Transmission - GETRAG 5 Speed) Section 2 (Engine Mechanical - 2.4L (LE5)) Section 3 (Manual Transmission Clutch System) Section 4 (Engine Controls & Fuel - 2.4L - Introduction (2 Of 2)) Section 5 (Engine Controls & Fuel - 2.4L - Diagnosis & Troubleshooting) Section 6 (Engine Controls & Fuel - 2.4L - DTC P0010 To P0354) Section 7 (Engine Controls & Fuel - 2.4L - DTC P0420 To P2544) Section 8 (Engine Controls & Fuel - 2.4L - Introduction (1 Of 2)) Different car Section 1 (Maintenance Reminder Light (Reset Procedures)) Section 2 (Floor Coverings And HEADLININGS) Section 3 (Seat Hardware, Seat Trim, And Upholstery) Section 4 (Interior Trim And Paneling) Section 5 (Folding Top System) Section 6 (Warnings And Cautions) Section 7 (Bumper System & Fascia) Section 8 (General Information) Section 9 (Tires And Wheels) Section 10 (Frame And Underbody) Section 11 (Lighting Systems) Section 12 (Instrument Panel Trim And Console Trim) Section 13 (Supplemental Inflatable Restraint System) Section 14 (Battery, Charging System And Starting System) Section 15 (Steering Wheel & Steering Column) Section 16 (Heating, Ventilation, And Air Conditioning) Section 17 (Instrument Panel System Displays And Gauges) Section 18 (Cellular System, Entertainment System, And Navigation System) Section 19 (HVAC System - Automatic) Section 20 (Fixed & MOVEABLE Window Systems) Section 21 (Door Lock Systems & Door Handles) Section 22 (Mirror System) Section 23 (Bolted Exterior Body Panels And Closures) Section 24 (Wiper System & Washer System) Section 25 (Engine Controls And Fuel - 6.0L - Introduction (2 Of 2)) Section 26 (Power Steering System) Section 27 (Front Suspension System) Section 28 (Anti-Lock Brake System, Traction Control System & Stability Control System) Section 29 (Engine Mechanical - 6.0L) Section 30 (Wheel Alignment System) Section 31 (Suspension Control System - Suspension Damping) Section 32 (Rear Suspension System) Section 33 (Rear Drive Axle) Section 34 (Suspension General Diagnosis) Section 35 (Vehicle Diagnostic Information) Section 36 (Wiring Systems And Power Management - Service & Trouble Shooting) Section 37 (Programming And Setup - All Systems) Section 38 (Wiring Systems And Power Management - Introduction) Section 39 (Horn System) Section 40 (Theft Deterrent System) Section 41 (Keyless Entry System And Remote Functions) Section 42 (Manual Transmission - TREMEC 6-Speed) Section 43 (Power Seat System) Section 44 (Wiring Systems And Power Management - In-Line Harness Connector End Views) Section 45 (Hydraulic Brake System) Section 46 (Disc Brake System) Section 47 (Parking Brake System) Section 48 (Wheel Drive Shafts) Section 49 (Engine Exhaust System) Section 50 (Data Communication System) Section 51 (Engine Cooling System) Section 52 (Engine Controls And Fuel - 7.0L - Introduction (2 Of 2)) Section 53 (Seat Heating System & Seat Cooling System) Section 54 (Automatic Transmission - 6L50/6L80/6L90 - Introduction (2 Of 2)) Section 55 (Tire Pressure Monitoring System) Section 56 (Component Locations & Power, Ground And Splice Pack Connector End Views) Section 57 (Engine Controls And Fuel - 6.0L - Diagnosis & Trouble Shooting) Section 58 (Engine Controls And Fuel - 7.0L - Diagnosis & Trouble Shooting) Section 59 (Wiring Systems And Power Management - DTC B0976 To DTC B1451) Section 60 (Shift Interlock System) Section 61 (Cruise Control System) Section 62 (Variable Effort Steering System) Section 63 (Engine Controls And Fuel - 6.0L - DTC P0016 To DTC P0341) Section 64 (Engine Controls And Fuel - 7.0L - DTC P0016 To DTC P0341) Section 65 (Automatic Transmission - 6L50/6L80/6L90 - DTC PO218 To DTC P0977) Section 66 (Engine Controls And Fuel - 6.0L - DTC P0351 To DTC P2544) Section 67 (Engine Controls And Fuel - 7.0L - DTC P0351 To DTC P2138) Section 68 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0989 To DTC P2764) Section 69 (Immobilizer System) Section 70 (Vibration Symptoms Diagnosis And Correction) Section 71 (Propeller Shaft) Section 72 (Secondary And Configurable Customer Controls) Section 73 (Engine Mechanical - 7.0L) Section 74 (Seat Belt System) Section 75 (Automatic Transmission - 6L50/6L80/6L90 - Service, Diagnosis & Troubleshooting) Section 76 (Manual Transmission Clutch System) Section 77 (Automatic Transmission - 6L50/6L80/6L90 - Introduction (1 Of 2)) Section 78 (Engine Controls And Fuel - 6.0L - Introduction (1 Of 2)) Section 79 (Maintenance And Lubrication) Section 80 (Water Leaks) Section 81 (Accessory Power Socket) Section 82 (Floor Coverings & HEADLININGS) Section 83 (Warnings And Cautions) Section 84 (Seat Hardware, Seat Trim, And Upholstery) Section 85 (Instrument Panel Trim And Console Trim) Section 86 (Interior Trim And Paneling) Section 87 (Bumper System & Fascia) Section 88 (Instrument Panel System Displays And Gauges) Section 89 (Supplemental Inflatable Restraint System) Section 90 (Heating, Ventilation, And Air Conditioning) Section 91 (Steering Wheel & Steering Column) Section 92 (Fixed & MOVEABLE Window Systems) Section 93 (Door Lock Systems & Door Handles) Section 94 (Seat Belt System) Section 95 (Bolted Exterior Body Panels And Closures) Section 96 (General Information) Section 97 (Tires And Wheels) Section 98 (Frame And Underbody) Section 99 (Lighting Systems) Section 100 (Battery, Charging System And Starting System) Section 101 (Engine Mechanical - 2.2L (L61)) Section 102 (Front Suspension System) Section 103 (Power Steering System) Section 104 (Wheel Alignment System) Section 105 (Wiring Systems And Power Management - Service, Diagnosis & Troubleshooting) Section 106 (Vehicle Diagnostic Information) Section 107 (Programming And Setup - All Systems) Section 108 (HVAC System - Manual) Section 109 (Cellular System, Entertainment System, And Navigation System) Section 110 (Wiper System & Washer System) Section 111 (Mirror System) Section 112 (Horn System) Section 113 (Wiring Systems And Power Management - Introduction) Section 114 (Keyless Entry System And Remote Functions) Section 115 (Component Locations & Power, Ground And Splice Pack Connector End Views) Section 116 (Data Communication System) Section 117 (Anti-Lock Brake System & Engine Traction System) Section 118 (Rear Suspension System) Section 119 (Hydraulic Brake System) Section 120 (Disc Brake System) Section 121 (Parking Brake System) Section 122 (Drum Brake System) Section 123 (Suspension General Diagnosis) Section 124 (Cruise Control System) Section 125 (Wheel Drive Shafts) Section 126 (Engine Mechanical - 2.0L (LSJ)) Section 127 (Manual Transmission Clutch System) Section 128 (Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2)) Section 129 (Engine Controls And Fuel - 2.4L - Introduction (2 Of 2)) Section 130 (Seat Heating System And Seat Cooling System) Section 131 (Engine Controls And Fuel - 2.0L - Introduction (2 Of 2)) Section 132 (Sunroof System) Section 133 (Theft Deterrent System) Section 134 (Automatic Transaxle - 4T45-E - Introduction (2 Of 2)) Section 135 (Immobilizer System) Section 136 (Wiring Systems And Power Management - DTC B1370 To DTC B2535) Section 137 (Shift Interlock System) Section 138 (Engine Controls And Fuel - 2.4L - DTC P0010 To DTC P0354) Section 139 (Engine Controls And Fuel - 2.2L (L61) - DTC P0016 To DTC P0418) Section 140 (Engine Controls And Fuel - 2.0L - DTC P0017 To DTC P0123) Section 141 (Engine Controls And Fuel - 2.0L - DTC P0125 To DTC P0327) Section 142 (Automa

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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