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 MANUALSCHEVROLET1987V 30 P/U 4WD V8-305 5.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
1987 Chevrolet V 30 P/U 4WD V8-305 5.0L
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
1987 Chevrolet V 30 P/U 4WD V8-305 5.0LSECTION Service and Repair
The coolant sensor must be handled carefully. If sensor is damaged, fuel injection operation will be affected.
1. Disconnect battery ground cable.
2. Drain coolant from radiator so level is below sensor.
3. Disconnect coolant sensor electrical connector.
4. Carefully back out coolant sensor and remove.
5. Reverse procedure to install.
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.