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.
1985 Chevrolet Nova CL, AutomaticFACTORY OEM SERVICE PROCEDURE
System Check
- Start engine. Check CMH with coolant temperature below 109°F (43°C). Using a voltmeter, check that there is voltage between positive terminal (White/Red wire color) and ground.CAUTION: Voltmeter should be inserted from rear side of connector.
- Warm engine to above 131°F (55°C). Check that there is no voltage. If no problem is found with this check, system is okay; otherwise inspect each part.
Factory Service Tools
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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.
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