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.
Choke Plate PULLDOWN Adjustment (Automatic)
Remove thermostatic spring and water housing. Depress vacuum piston until vacuum bleed port is revealed. Insert a length of wire (.040") into port. Raise piston to trap wire; with piston and wire in position, close choke plate until movement is stopped through linkage, then partially open throttle for fast idle tab to clear cam. Check clearance at bottom edge of choke plate (see specifications ). If necessary, bend extension of choke thermostat lever to adjust clearance.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.