GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Envoy - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.2L 🢒 Radiator Inlet Hose Replacement

Radiator Inlet Hose Replacement LH6, LS2

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air intake resonator. Refer to Air Cleaner Resonator Outlet Duct Replacement for the 5.3L engine or Air Cleaner Resonator Outlet Duct Replacement for the 6.0L engine.

    3. Object Number: 753673 Size: SH
  3. Using J 38185 reposition the radiator inlet hose clamp (1) from the engine.
  4. Remove the outlet hose from the engine.

    5. Object Number: 1670247 Size: SH
  5. Using J 38185 reposition the radiator inlet hose clamp (2) from the radiator.
  6. Remove the radiator outlet hose from the radiator.

Installation Procedure

    Object Number: 1670247 Size: SH
  1. Install the inlet hose to the radiator.
  2. Using J 38185 reposition the radiator inlet hose clamp to the radiator.

    3. Object Number: 753673 Size: SH
  3. Install the inlet hose to the engine.
  4. Using J 38185 reposition the radiator inlet hose clamp to the engine (1).
  5. Install the air intake resonator. Refer to Air Cleaner Resonator Outlet Duct Replacement for the 5.3L engine or Air Cleaner Resonator Outlet Duct Replacement for the 6.0L engine.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Inlet Hose Replacement LL8

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .

    3. Object Number: 753673 Size: SH
  3. Using J 38185 reposition the radiator inlet hose clamp (1) from the engine.
  4. Remove the radiator outlet hose from the engine.
  5. Using J 38185 reposition the radiator inlet hose clamp (2) from the radiator.
  6. Remove the radiator inlet hose from the radiator.

Installation Procedure

    Object Number: 753673 Size: SH
  1. Install the radiator inlet hose to the radiator.
  2. Using J 38185 reposition the radiator inlet hose clamp (2) to the radiator.
  3. Install the radiator inlet hose to the engine.
  4. Using J 38185 reposition the radiator inlet hose clamp (1) to the engine.
  5. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  6. Fill the cooling system. Refer to Cooling System Draining and Filling .