GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Heater Water Valve Replacement

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the access panel nut near the pollen filter.
  3. Remove the access panel.

    4. Object Number: 153285 Size: SH
  4. Remove the following components from the hot water flow control valve:
    5. • The vacuum hose
    • The remaining hose clamps
    • The remaining hoses
  5. Remove the hot water flow control valve.

Installation Procedure

    Object Number: 153285 Size: SH
  1. Install the hot water flow control valve.
  2. Install the following hot water flow control valve components:
    3. • The hoses
    • The hose clamps
    • The vacuum hose
  3. Install the access panel.
  4. Install the access panel nut until fully seated and not stripped.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .