K 2500 Suburban 4WD V8-5.7L VIN R (1999)
Fuel Pressure Regulator: Service and Repair
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure.
3. Remove the upper manifold assembly.
DISASSEMBLY PROCEDURE
IMPORTANT: If the fuel pressure regulator is to be reinstalled, inspect the filter screen (if equipped) for contamination. If the filter screen is
contaminated, replace the regulator.
1. Disassemble the fuel pressure regulator snap ring retainer.
2. Disassemble the regulator assembly and the O-rings.
3. Discard the O-rings.
ASSEMBLY PROCEDURE
