Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008HHR L4-2.2LREPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSCOMPONENT CONNECTOR END VIEWSTRANSMISSION AND DRIVETRAIN
2008 Chevrolet HHR L4-2.2L
Transmission and Drivetrain
2008 Chevrolet HHR L4-2.2LSECTION Transmission and Drivetrain
Component Connector End Views
1-2 Shift Solenoid (SS) Valve (MN5)
2-3 Shift Solenoid (SS) Valve (MN5)
Automatic Transmission Fluid Pressure Manual Valve Position Switch (MN5)
Clutch Pedal Position (CPP) Sensor (M86)
Input Speed Sensor
Output Speed Sensor (OSS)
Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve (MN5)
Traction Control Switch (JL4/JL9)
Vehicle Speed Sensor (VSS)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.