A4 Quattro Sedan V6-2.8L (ACK) (1997)
Fuel Injector: Service and Repair
WARNING:FIRE HAZARD! Disconnect battery ground strap when working on the fuel system. Do not smoke or create any sparks where odor
of fuel vapor is present.
RELIEVE FUEL SYSTEM PRESSURE
-
Loosen fuel supply line fitting at left rear of engine compartment to relieve any remaining pressure, using a rag to catch any escaping fuel, then
re-tighten.
REMOVE FUEL INJECTORS
Fuel Rail
-
Remove intake air hose between mass air flow sensor and noise damper.
-
Disconnect and position ignition cables to one side to allow removal of fuel rail.
-
Disconnect fuel injector harness connectors.
-
Disconnect fuel pressure regulator vacuum hose.
-
Remove fuel rail bolts and pull rail with injectors upward.
-
Remove injector retaining clips and injector from fuel rail.
-
Install in reverse order.
NOTE: Use new O-ring gaskets and lubricate them lightly fuel prior to installation.