chrysler Workshop Repair Guides

Chrysler Workshop Service and Repair Manuals

Fuel Delivery and Air Induction > < Orifice Spark Advance Control (OSAC) <--> [Vacuum Restrictor]|Description and Operation|Page 1140
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Orifice Spark Advance Control (OSAC): Service and Repair

To remove the OSAC valve: 

1.  Mark and disconnect vacuum line from valve. 

2.  Remove OSAC valve screws and valve from firewall.

Fuel Delivery and Air Induction > < Orifice Spark Advance Control (OSAC) <--> [Vacuum Restrictor]|Description and Operation|Page 1140