Heater Hose: Service and Repair

2012 Chevrolet Camaro V8-6.2LSECTION Service and Repair



Heater Inlet and Outlet Hose Replacement (LS3, L99)

Special Tools

J 38185 - Hose Clamp Pliers

Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716)Cooling System Draining and Filling (LFX, Static Fill) Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (LSA, LS3, L99 Static Fill) Cooling System Draining and Filling (Static Fill).

2. Remove the engine cover. Refer to Engine Cover Replacement Engine Cover Replacement





3. Disengage tension on the heater inlet and outlet hose clamps (1) at the heater core using J 38185 - Hose Clamp Pliers.

4. Remove the heater inlet and outlet hose (2) from the heater core.





5. Disengage tension on the heater inlet and outlet hose clamps (1) at the engine using J 38185 - Hose Clamp Pliers.

6. Remove the heater inlet and outlet hose (2) from the vehicle.

Installation Procedure

1. Install heater inlet and outlet hose to the vehicle.





2. Engage tension on the heater inlet and outlet hose clamps (2) at the engine using J 38185 - Hose Clamp Pliers.





Note:
Lubricate the inside diameters of the hose with clean coolant prior to installation.

3. Install the heater inlet and outlet hose (2) to the heater core.

4. Engage tension on the heater inlet and outlet hose clamps (1) at the heater core using J 38185 - Hose Clamp Pliers.

5. Install the engine cover. Refer to Engine Cover Replacement Engine Cover Replacement

6. Fill the cooling system. Refer to Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716)Cooling System Draining and Filling (LFX, Static Fill) Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (LSA, LS3, L99 Static Fill) Cooling System Draining and Filling (Static Fill).

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.