Riviera V6-231 3.8L VIN L SFI (1991)
Intake Manifold: Service and Repair
Removal
Intake Manifold Upper
REMOVE OR DISCONNECT
Note: Do not disassemble upper intake manifold from lower intake manifold unless replacement of one of the components is necessary.
1. Fuel injector sight shield and air intake duct.
Spark Plug Wiring Harness (Rear)
Spark Plug Wiring Harness (Front)
2. Spark plug wires on right side of engine and set aside.
3. Fuel rail.
4. Exhaust heat shield.