S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel (2001)
Fuel Rail: Service and Repair
FUEL RAIL ASSEMBLY REPLACEMENT
REMOVAL PROCEDURE
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Disconnect the negative battery cable.
3. Remove the intake manifold assembly.
4. Remove the fuel injector electrical connectors by pushing in the wire connector clip and pulling the electrical connector away from the fuel
injector.
5. Remove the fuel feed inlet pipe at the rail (2). Refer to Quick Connect Fitting(s) Service (Plastic Collar).
6. Remove the fuel rail attaching bolts.
7. Lift the fuel rail assembly from the cylinder head.
INSTALLATION PROCEDURE
IMPORTANT: Lubricate the fuel injector O-rings with clean engine oil before installation.
1. Insert the fuel rail into the cylinder head.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the fuel rail attaching bolts.
Tighten
Tighten the fuel rail attaching bolts to 24 N.m (18 lb ft).