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 MANUALSCHEVROLET2006HHR L4-2.2LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEFLUID PRESSURE SENSOR/SWITCHSERVICE AND REPAIR
2006 Chevrolet HHR L4-2.2L
Fluid Pressure Sensor/Switch: Service and Repair
2006 Chevrolet HHR L4-2.2LSECTION Service and Repair
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement
Removal Procedure
1. Remove the transmission side cover.
2. Remove the six bolts from the TFP switch assembly.
3. Remove the TFP switch assembly from the control valve body assembly. The 4 pressure switch O-rings are reusable and should remain with the TFP switch assembly.
Installation Procedure
1. Install the TFP switch assembly to the control valve body assembly. The 4 pressure switch O-rings are reusable and should remain with the TFP switch assembly.
2. Notice:
Refer to Fastener Notice in Service Precautions.
Install the six bolts to the TFP switch assembly.
Tighten the bolts to 12 Nm (9 ft. lbs.).
3. Install the transmission side cover.
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.