ProDemand Heater Inlet Hose NON-HP2 Instruction Manual

Heater Inlet Hose NON-HP2
Instruction Manual

Heater Inlet Hose NON-HP2

REPAIR INSTRUCTIONS > HEATER INLET HOSE REPLACEMENT (NON-HP2) >REMOVAL PROCEDURE.

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .

2. Remove the air intake tube.

3. Remove the heater and surge tank hoses from the mounting clip.
   Fig 1: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
   

4. Squeeze the plastic retainer release tabs.
   Fig 2: Pulling Connection Apart (Plastic Collar)
   

5. Pull the connection apart.
   Fig 3: View Of Heater Hose To Engine
   

6. Remove the inlet heater hose from the water pump.
   Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
   

7. Remove the inlet heater hose.

INSTALLATION PROCEDURE

1. Install the inlet heater hose.
   Fig 1: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
   

2. Install the inlet heater hose to the water pump.
   Fig 2: View Of Heater Hose To Engine
   

3. Connect the heater hose to the heater core.
   Fig 3: Connecting Quick-Connect Fittings
   IMPORTANT: Firmly push the quick connection onto the heater core pipe until you hear an audible click.

4. Install the heater and surge tank hoses to the mounting clip.

5. Install the air intake tube.

6. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .

REPAIR INSTRUCTIONS > HEATER INLET HOSE REPLACEMENT (PUMP TO HEATER CORE- HP2)
Fig 1: Heater Inlet Hose Replacement (Pump to Heater Core-HP2)

Callout/Component Name: Preliminary Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
2. Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
3. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement.
4. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.

Heater Inlet Hose Quick Disconnect Procedure

1. Squeeze the plastic retainer release tabs and pull the connection apart.

2. The joint should audibly click upon reassembly and the technician should pull back on the joint to ensure it’s engaged properly.
   Heater Inlet Hose Clamp Procedure: Using J 38185 reposition the radiator surge tank outlet hose clamps.
   Special Tools: J 38185 Hose Clamp Pliers

3. Heater Inlet Hose

REPAIR INSTRUCTIONS > HEATER OUTLET HOSE REPLACEMENT > REMOVAL PROCEDURE

1.  Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .

2. Remove the air intake tube.

3. Remove the heater and surge tank hoses from the mounting clip.
   Fig 1: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
   

4. Squeeze the plastic retainer release tabs.
   Fig 2: Pulling Connection Apart (Plastic Collar)
   

5. Pull the connection apart.
   Fig 3: View Of Heater Hose To Engine
   

6. Remove the outlet heater hose from the water pump.

7. Reposition the outlet heater hose clamp at the surge tank.

8. Remove the outlet heater hose from the surge tank.
   Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
   

9. Remove the outlet heater hose.

Courtesy of GENERAL MOTORS CORP.
https://www2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&selectorMode=&className=

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