GM Service Manual Online
For 1990-2009 cars only

Fill Limiter Vent Valve Replacement FWD

Removal Procedure


    Object Number: 851881  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Use a screwdriver in order to release the lock tab of the FLVV cover (1).
  3. Remove the FLVV cover (1) by rotating the cover counter clockwise while lifting up.

  4. Object Number: 851885  Size: SH
  5. Insert a pry tool (2) between the FLVV (1) and the FLVV gasket.
  6. Lift all around the outer edge of the FLVV and remove the FLVV (1) from the fuel tank.

Installation Procedure


    Object Number: 851886  Size: SH
  1. Install the FLVV gasket (1) into the fuel tank.

  2. Object Number: 851887  Size: SH
  3. Apply a light coat of motor oil to the sealing edge of the FLVV.
  4. Install the FLVV into the fuel tank while keeping the correct alignment for the hose connections.
  5. Place the FLVV cover onto the FLVV and rotate the cover clockwise until the lock tab is in position and engaged.
  6. Install the fuel tank. Refer to Fuel Tank Replacement .

Fill Limiter Vent Valve Replacement AWD

Removal Procedure


    Object Number: 851897  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Remove the three bolts (2) and the FLVV cover (1) from the fuel tank.
  3. Disconnect the two EVAP lines from the FLVV.

  4. Object Number: 851898  Size: SH
  5. Remove the three bolts (2) and the FLVV (1) and gasket (3) from the fuel tank.

Installation Procedure


    Object Number: 851899  Size: SH
  1. Install the FLVV (1) and the gasket (2) into the fuel tank.
  2. Notice: Refer to Component Fastener Tightening Notice in the Preface section.


    Object Number: 851898  Size: SH
  3. Secure the FLVV (1) to the fuel tank with the three bolts (2).
  4. Tighten
    Tighten the bolts to 6 N·m (53 lb in).


    Object Number: 851897  Size: SH
  5. Install the FLVV cover (1) onto the FLVV and secure with the three bolts (2).
  6. Tighten
    Tighten the bolts to 6 N·m (53 lb in).

  7. Install the fuel tank. Refer to Fuel Tank Replacement .