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 MANUALSCHEVROLET1994K 2500 SUBURBAN 4WD V8-454 7.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIR
1994 Chevrolet K 2500 Suburban 4WD V8-454 7.4L
Vehicle Speed Sensor: Service and Repair
1994 Chevrolet K 2500 Suburban 4WD V8-454 7.4LSECTION Service and Repair
[1][2]Speed sensor resistance should be 900-2000 ohms. The sensor is not serviceable and should be replaced if defective. The speed sensor is located on the transfer case.
1. Raise and support vehicle, then disconnect electrical connector from [1][2]speed sensor.
2. Loosen sensor with suitable wrench.
3. Position suitable container under sensor, then remove sensor and O-ring.
4. Coat O-ring with transmission fluid, then install O-ring and [1][2]speed sensor.
5. Torque sensor to 32 ft. lbs.
1. Raise and support vehicle, then disconnect electrical connector from [1][2]speed sensor.
2. Loosen sensor with suitable wrench.
3. Position suitable container under sensor, then remove sensor and O-ring.
4. Coat O-ring with transmission fluid, then install O-ring and [1][2]speed sensor.
5. Torque sensor to 32 ft. lbs.
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.