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.
1978 Plymouth Arrow Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Electronic Ignition: Overhaul: Distributor: Disassembly
- Remove distributor, rotor, and vacuum control unit. Remove reluctor by prying up from bottom with 2 screwdrivers. Be careful not to damage or distort teeth on reluctor.
- Remove screws attaching lower plate to housing and lift out lower plate, upper plate, and pickup coil as an assembly. Do not attempt to remove distributor cap clamp springs.
- On 6-cylinder models, remove distributor drive gear retaining pin and slide gear off end of shaft. See Fig 1. On V8 models, remove distributor shaft retaining pin and slide retainer off end of shaft. See Figure.
- On all models, use a file to clean burrs from around pin hole in shaft and remove lower thrust washer. Push shaft up and remove shaft through top of distributor body.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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