GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Electrical 🢒 Radiator Hose Replacement

Removal Procedure

    Object Number: 72735 Size: SH
  1. Drain the coolant from the radiator so that the level of the coolant is below the hose that is being removed.
  2. Remove the clamps.
  3. Remove the radiator inlet hose from the radiator and to the coolant outlet.
  4. Disconnect the radiator outlet hose from the radiator and to the coolant pump.

Installation Procedure

    Object Number: 72735 Size: SH
  1. Connect the radiator outlet hose to the radiator and to the coolant pump.
  2. Connect the radiator inlet hose to the radiator and to the coolant pump.
  3. Install the clamps.
  4. Add the coolant to the proper level. Refer to Cooling System Draining and Filling .
  5. Check the system for leaks.