Savana 2500 V8-6.6L DSL Turbo VIN 6 (2007)
Fuel Pressure Regulator: Service and Repair
Fuel Pressure Regulator Replacement
Removal Procedure
1. Remove the air intake pipe.
2. Disconnect the fuel pressure regulator electrical connector (1).
3. Reposition the distribution block hose clamps.
4. Remove the distribution block hoses from the distribution block.
5. Clean the fuel pressure regulator and high pressure injection pump thoroughly with solvent, such as GM P/N 12377981 (Canadian P/N 10953463)
or equivalent.
6. Using compressed air, thoroughly blow dry the regulator and pump.
7. Remove the 3 fuel pressure regulator screws (1) using a T25 TORX(R).
8. Remove the fuel pressure regulator (1).
9. If dirt or debris is found in the bore or seating surfaces of the fuel injection pump, perform the following:
