K 2500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2002)
Fuel Heater: Service and Repair
Fuel Filter/Heater Element Housing Replacement
REMOVAL PROCEDURE
1. Drain the fuel from the fuel filter housing. Refer to Water-in-Fuel Draining Procedure.
2. Disconnect the fuel heater and water-in-fuel sensor harness connectors.
3. Disconnect the fuel hoses from the fuel filter/heater element housing.
4. Disconnect electrical and vacuum lines from:
^
EGR valve vent solenoid
^
EGR valve vacuum sensor
^
EGR valve solenoid
5. Remove bolts retaining sensor/bracket assembly.
6. Remove the fuel filter bracket-to-valve cover bolts.
7. Remove the filter/heater element housing.
8. Remove the fuel filter bracket from the fuel filter/heater element housing.
9. Spin off the fuel filter from the fuel filter/heater element housing.
10. Inspect the fuel filter and replace if necessary.
INSTALLATION PROCEDURE
1. Install the fuel filter to the fuel filter/heater element housing.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the fuel filter bracket to the fuel filter/heater element housing.
