GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1998
🢒
Riviera
🢒
Body and Accessories
🢒
Wiring Systems
🢒 Emission Hose Routing Diagram
VIN 1
(1)
To EVAP Canister (At Rear of Vehicle)
(2)
PCV Valve
(3)
To Vacuum Brake Booster
(4)
Throttle Body
(5)
Supercharger Bypass Actuator (Bypass Valve Actuator)
(6)
Supercharger Bypass Solenoid (Boost Control Solenoid)
(7)
Fuel Pressure Regulator
(8)
Supercharger Assembly
(9)
EVAP Canister Purge Valve
(10)
Manifold Vacuum Source
