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.
1980 Plymouth Champ Custom, Automatic TransFACTORY OEM SERVICE PROCEDURE
Start-Up Advance Timing Test
- Connect an adjustable timing light or timing probe to engine. Use jumper wire to ground carburetor switch. Make sure vacuum hose is connected to vacuum transducer on computer.
- Start engine and immediately check timing and adjust timing light so timing marks are set at basic timing. Meter on timing light should show start-up advance timing. Refer to Distributor Specifications in this Section. If timing is not as specified, replace computer.
Factory Service Tools
Use the Manual With the Right Hardware
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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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