1979 Mazda RX-7 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

1979 Calif. Man. Trans. Equipped Models

Raise vehicle and support with safety stands. Detach overdrive switch bullet connectors. Switch is located on left side of transmission extension housing. Connect ohmmeter to both switch terminals. Check that no continuity exists when shifting into 5th (overdrive) gear.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.