chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Choke Pull-off|Description and Operation|Page 2999 > < Carburetor - New Float Level Gauges|Page 2995
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Choke Pull-off: Description and Operation

When a sudden increase in manifold vacuum is sensed by the valve, the orifice within the valve delays vacuum to the carburetor choke vacuum
break. 

The length of the delay is dependent on the magnitude of the vacuum increase--the greater the increase the greater the delay.

Choke Pull-off|Description and Operation|Page 2999 > < Carburetor - New Float Level Gauges|Page 2995