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Buick Riviera V6 Turbo Workshop Service and Repair Manuals

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Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1180 > < Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1178

Riviera V6-231 38L Turbo Engine: Distributor Spark Vacuum Modulator Valve

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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 1180 > < Distributor Spark Vacuum Modulator Valve (DS-VMV)|Page 1178