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 MANUALSCHEVROLET1982CITATION 4D HATCHBACK, 2.8L ENG VIN Z, AUTOMATIC TRANS, TRANS MFR CD 125/M34REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSCOMPUTER COMMAND CONTROLOPERATIONDATA SENSORSHIGH GEAR SWITCH
1982 Chevrolet Citation 4D Hatchback, 2.8L Eng VIN Z, Automatic Trans, Trans Mfr CD 125/M34
High Gear Switch
1982 Chevrolet Citation 4D Hatchback, 2.8L Eng VIN Z, Automatic Trans, Trans Mfr CD 125/M34SECTION High Gear Switch
This switch is mounted on automatic transmissions. The switch opens when the transmission has shifted into high gear (3rd or 4th) and closes under all other conditions. High gear switch information is used for emission control.
RENDER: 1.0x
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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.