PRODEMAND Heater Inlet Hose empowers you to efficiently replace heater inlet hoses in your vehicle. It guides you through the entire process, from draining the cooling system and removing the air intake tube to reconnecting the heater hose to the heater core. This comprehensive guide ensures you perform the replacement accurately and effectively.
PRODEMAND Heater Inlet Hose empowers you to efficiently replace heater inlet hoses in your vehicle. It guides you through the entire process, from draining the cooling system and removing the air intake tube to reconnecting the heater hose to the heater core. This comprehensive guide ensures you perform the replacement accurately and effectively.
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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)
Courtesy of GENERAL MOTORS CORP.
YMMS: May 26, 2021
Engine:
6.2L Eng
License:
VIN: Odometer:
2008 Cadillac Escalade
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4. Squeeze the plastic retainer release tabs.
Fig 2: Pulling Connection Apart (Plastic Collar)
Courtesy of GENERAL MOTORS CORP.
5. Pull the connection apart.
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Fig 3: View Of Heater Hose To Engine
Courtesy of GENERAL MOTORS CORP.
6. Remove the inlet heater hose from the water pump.
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Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
Courtesy of GENERAL MOTORS CORP.
7. Remove the inlet heater hose.
REPAIR INSTRUCTIONS > HEATER INLET HOSE REPLACEMENT (NON-HP2) >
INSTALLATION PROCEDURE
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Fig 1: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
Courtesy of GENERAL MOTORS CORP.
1. Install the inlet heater hose.
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Fig 2: View Of Heater Hose To Engine
Courtesy of GENERAL MOTORS CORP.
2. Install the inlet heater hose to the water pump.
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Fig 3: Connecting Quick-Connect Fittings
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Firmly push the quick connect onto the
heater core pipe until you hear an audible click.
3. Connect the heater hose to the heater core.
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) .
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REPAIR INSTRUCTIONS > HEATER INLET HOSE REPLACEMENT (PUMP TO HEATER
CORE-HP2)
Fig 1: Heater Inlet Hose Replacement (Pump to Heater Core-HP2)
Courtesy of GENERAL MOTORS CORP.
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 .
1
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.
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2 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.
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Fig 1: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
Courtesy of GENERAL MOTORS CORP.
4. Squeeze the plastic retainer release tabs.
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Fig 2: Pulling Connection Apart (Plastic Collar)
Courtesy of GENERAL MOTORS CORP.
5. Pull the connection apart.
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Fig 3: View Of Heater Hose To Engine
Courtesy of GENERAL MOTORS CORP.
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.
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Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
Courtesy of GENERAL MOTORS CORP.
9. Remove the outlet heater hose.
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PRODEMAND Heater Inlet Hose empowers you to efficiently replace heater inlet hoses in your vehicle. It guides you through the entire process, from draining the cooling system and removing the air intake tube to reconnecting the heater hose to the heater core. This comprehensive guide ensures you perform the replacement accurately and effectively.
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