gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Filter/Heater Element Housing Replacement|Page 6860 > < Fuel Heater Inoperative|Page 6857
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Fuel Heater: Service and Repair
Fuel Filter/Heater Element Housing Replacement

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. Remove the fuel filter bracket-to-valve cover bolts.
5. Remove the filter/heater element housing.
6. Remove the fuel filter bracket from the fuel filter/heater element housing.
7. Spin off the fuel filter from the fuel filter/heater element housing.
8. 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.

Tighten
Tighten the bracket-to-housing bolts to 20 N.m (15 lb ft).

Fuel Filter/Heater Element Housing Replacement|Page 6860 > < Fuel Heater Inoperative|Page 6857