Trooper LS V6-3.5L (1998)
Fuel Pressure Regulator: Service and Repair
Removal Procedure
CAUTION: To reduce the risk of fire and personal injury, it is necessary to relieve the fuel system pressure before servicing the fuel system
components.
CAUTION: After relieving the system pressure, a small amount of fuel may be released when servicing fuel lines or connections. Reduce the chance of
personal injury by covering the fuel line fittings with a shop towel before disconnecting the fittings. The towels will absorb any fuel that may leak out.
When the disconnect is completed, place the towel in an approved container.
NOTE: Compressed air must never be used to test or clean a fuel pressure regulator, as damage to the fuel pressure regulator may result.
NOTE: To prevent damage to the fuel pressure regulator. do not immerse the pressure regulator in solvent.
1. Depressurize the fuel system. Refer to Fuel Pressure Relief Procedure.
2. Disconnect the negative battery cable.
3. Remove the fuel pump relay. Refer to Fuel Pump Relay.
4. Remove the pressure regulator hose from the fuel pressure regulator.
5. Remove the two bolts from the protector that secures the common chamber.
