GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Savana 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Mode Valve Replacement

Removal Procedure
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the center floor air outlet. Refer to Floor Air Outlet Replacement .

    3. Object Number: 301623 Size: SH
  3. Disconnect the vacuum connector.
  4. Remove the valve, inner mode door (1), outside air recirculation door (3), outer mode door (4), by unsnapping the valve from the heater case.
  5. Disconnect the linkage from the valve.

Installation Procedure

    Object Number: 301623 Size: SH
  1. Connect the linkage to the valve, inner mode door (1), outside air recirculation door (3) and outer mode door (4).
  2. Install the valve by snapping the valve to the heater case.
  3. Connect the vacuum connector.
  4. Install the center floor air outlet. Refer to Floor Air Outlet Replacement .
  5. Install the engine cover. Refer to Engine Cover Replacement .