GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: The EVAP canister may have released carbon particles which caused this part to fail and may cause damage to other components. Check the EVAP canister for loose carbon before returning the vehicle to service.


    Object Number: 168451  Size: SH
  1. Loosen the two clamps on the two fuel tank pressure control valve vapor hoses (1).
  2. Disconnect the two fuel vapor hoses (1) from the fuel tank pressure control valve.
  3. Disconnect the one vacuum hose (2) from the fuel tank pressure control valve.
  4. Remove the fuel tank pressure control valve from the engine compartment.

Installation Procedure


    Object Number: 168451  Size: SH
  1. Connect the two fuel vapor hoses (1) to the fuel tank pressure control valve.
  2. Secure the two fuel vapor hoses with the two clamps.
  3. Connect the one vacuum hose (2) to the fuel tank pressure control valve.