Written by GM, this the original book that Buick mechanics used to diagnose Quadrajet 4-barrel carburetors. Inside you will find a handy chart with trouble symptoms and check points, along with instructions for adjustments to correct problems. Find out about adjustments to float level, pump, idle vent, automatic choke, choke rod, unloader, fast idle, vacuum brake, secondary metering rod, air valve, air valve lockout, air valve spring, and dash pot. Check for plugs, leaks, sticking, full operation, and dirt in the float system, power piston, air valve dash pot, throttle valves, gaskets, idle restrictions, vacuum, chocke valve opening, intake manifold, pump system, idle stator switch, and idle compensator valve.With the step-by-step illustrated instructions and diagrams in this manual, you will have the information you need to get your project on the road and keep it there. This book will refer you to the 1966 Buick Chassis Shop Manual for overhaul. Buy now to own the best manual for your carburetor.
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