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.
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HOMESERVICE MANUALSCHEVROLET1966IMPALA BASE, 4D HARDTOP, 6.5L ENG, NOT AVAILABLE TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEFUEL DELIVERYCARTER AVS 4-BARRELADJUSTMENTTHROTTLE VALVE CLOSING SHOE CLEARANCE
1966 Chevrolet Impala Base, 4D Hardtop, 6.5L Eng, Not Available Trans
Throttle Valve Closing Shoe Clearance
1966 Chevrolet Impala Base, 4D Hardtop, 6.5L Eng, Not Available TransSECTION Throttle Valve Closing Shoe Clearance
With primary and secondary throttle valves fully closed, use gauge to measure clearance between positive closing shoes on throttle levers. Clearance should be.020" (.010-.030"). Adjust by bending secondary closing shoe as required.
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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.