GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Express - AWD 🢒 Engine 🢒 Engine Electrical 🢒 Fuel Filter Replacement

Removal Procedure
  1. Drain the fuel from the primary filter and the secondary filter. Refer to Water-in-Fuel Draining .

    2. Object Number: 1663153 Size: SH
  2. Unscrew the secondary fuel filter (1).
  3. Unscrew the fuel filter assembly bowl (2).
  4. Remove both filters (1, 3).

Installation Procedure

    Object Number: 1663153 Size: SH
  1. Install the new O-ring seal to the fuel filter assembly bowl (2).
  2. Install the fuel filter assembly bowl (2).
  3. Install the new O-ring seals to the primary filter (1).
  4. Install the primary filter (1).
  5. Install the NEW secondary fuel filter (1) and bowl (2) to the fuel filter adapter and tighten 1/4 turn after the seal contacts the filter adapter.
  6. Prime the fuel system. Refer to Fuel System Priming .
  7. Start the engine and check for leaks.