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Old 06-22-2017, 10:31 AM
sseebart sseebart is offline
Steve Seebart
 
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It sounds to me as if you have the parking brake hooked up to a vacuum line fed from the "soup can" cannister, which is intended to hold vacuum after the engine is shut off (to power the door locks and trunk release for a time).

The parking brake (through the NSS) should be attached directly to manifold vacuum, which drops to zero when the motor is turned off.

~Steve
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