For 1990-2009 cars only
- Remove the fuel feed pipe attaching nuts and bolts.
- Remove the fuel feed pipe.
- Disconnect the fuel rail balance pipe from fuel rails.
- Remove the fuel rail balance pipe bolts.
- Remove the fuel rail balance pipe.
- Remove the left fuel return hose.
- Remove the right fuel return hose.
- Disconnect the fuel hoses from the fuel injector pump.
- Remove the distribution block and fuel line assembly bolts.
- Remove the distribution block and fuel line assembly.
- Remove the fuel pipe assembly bracket bolts.
- Remove the fuel pipe assembly bracket.
- Remove the coolant pipe bolt and nut.
- Remove the coolant pipe.
- Remove the left fuel rail to pump pipe.
- Remove the EGR mounting bracket bolt and nut.
- Remove the EGR mounting bracket.
- Using compressed air to blow away any debris between the fuel injector line and the fittings (1, 2). Wipe clean the fittings (1) of debris.
- Spray lithium grease, GM P/N 12346293 or equivalent, between the fuel injector line and fitting (1, 2) to contain any debris during removal.
- Remove the left fuel injector pipes.
- Remove the right fuel injector pipes.
- Remove the left fuel rail and bracket bolts.
- Remove the left fuel rail and bracket.
- Remove the right fuel rail bolts.
- Remove the right fuel rail.
Caution: DO NOT use compressed air to clean debris from the fuel injector inlet after the fuel line is removed. Using compressed air can allow debris to enter the fuel injector inlet and damage the fuel injector.
