Bonneville V6-231 3.8L VIN 3 SFI (1988)
Vacuum Pump: Component Tests and General Diagnostics
Before attempting to diagnose the vacuum pump system make certain the brake hydraulic system and the brake booster are in proper working order.
Vacuum Pump: Component Tests and General Diagnostics
Before attempting to diagnose the vacuum pump system make certain the brake hydraulic system and the brake booster are in proper working order.