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 MANUALSCHEVROLET1995SPORTVAN G20, 5.7 KREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENT PANEL.TESTINGCOOLANT LEVEL INDICATOR (DIESEL)INDICATOR DOES NOT LIGHT WHEN COOLANT LEVEL IS LOW (VAN)
1995 Chevrolet Sportvan G20, 5.7 K
Indicator Does Not Light When Coolant Level Is Low (Van)
1995 Chevrolet Sportvan G20, 5.7 KSECTION Indicator Does Not Light When Coolant Level Is Low (Van)
- Unplug coolant level sensor. Turn ignition on. If indicator light does not come on, go to next step. If indicator light comes on, replace coolant level sensor.
- Disconnect coolant level indicator module. Check for battery voltage between coolant level sensor connector Pink/Black wire and ground. If battery voltage exists, go to next step. If battery voltage does not exist, repair short or open in Pink/Black wire.
- Check for battery voltage between Pink/Black wire and Black wire at coolant level indicator module connector. If battery voltage exists, go to next step. If battery voltage does not exist, repair open in Black wire between coolant level indicator module and instrument panel.
- Check for battery voltage between Gray wire and ground at coolant level indicator module connector. If battery voltage exists, go to next step. If battery voltage does not exist, repair open or short in Gray wire between coolant level indicator module and instrument panel.
- Check for battery voltage between Pink/Black wire and Yellow/Black wire at coolant level indicator module connector. If battery voltage exists, repair open or short in Yellow/Black wire between coolant level indicator module and coolant level sensor. If battery voltage does not exist, replace coolant level indicator module.
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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.