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.
Automatic Choke Rod: Cadillac
Choke coil assembly must be removed from manifold to disengage connector rod from vacuum break lever for adjustment (temporarily install coil assembly with rod disconnected for gauging operation, then connect rod and reinstall coil assembly). Close choke valve completely by pressing upward on vacuum break lever, (on Cadillac make sure fast idle cam is in cold start position and vacuum break lever is in maximum upward position), pull choke connector rod upward to end of travel. At this point, rod end should fit freely in center notch on side of lever ("R" end of "L" notch). Adjust by bending rod at existing bend.
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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.