Ciera V6-173 2.8L VIN W FI (1986)
Vacuum Pump: Service and Repair
System Service
The belt-driven vacuum pump is serviced as an assembly only. Refer to Fig. when replacing the vacuum pump. On models equipped with V6-181
engine, the vacuum pump pulley must be replaced whenever the vacuum pump is removed.
Fig. 12 Vacuum pump replacement. V6-173 engine
Vacuum Pump Mounting
