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.
1976 Renault R12 Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Exhaust Emissions System - Catalytic Converters: Testing: Notes
- Check converter for external damage such as cracks, heat damage or buckling. Replace if any damage is evident. If CO% levels are not to specification after proper procedures have been followed, converter is defective and must be replaced.
- If converter overheats and temperature warning and protection system does not activate, check sensor, relay, solenoid valve and connecting wiring for defects and replace parts as necessary.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.