buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1449 > < Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1447
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Distributor Vacuum Control: Description and Operation
Distributor Thermal Control Valve (DTCV)

    This valve is used in the manifold vacuum line to the distributor vacuum advance to improve driveability during cold engine operation.

Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1449 > < Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1447