Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Heater Inlet Hose Replacement (LDE, LUW)

Chevrolet Sonic Repair Manual / HVAC / Heating / Heater Inlet Hose Replacement (LDE, LUW)

Special Tools

BO-38185 Hose Clamp Pliers

For equivalent regional tools, refer to Special Tools.

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling.


  2. Disengage the heater inlet hose quick connect clip (1) at the heater core.
  3. Remove the heater inlet hose (2) from the heater core.

  4. Remove the heater inlet hose clamp (1) at the engine using BO-38185 Hose Clamp Pliers .
  5. Remove the heater inlet hose (2) from the engine.
  6. Remove the heater inlet hose from the vehicle.
Installation Procedure

    Install the heater inlet hose to the vehicle.
  1. Install the heater inlet hose to the vehicle.
  2. Install the heater inlet hose (2) to the engine.
  3. Install the heater inlet hose clamp (1) at the engine using BO-38185 Hose Clamp Pliers .


  4. Note:

    The quick connector has an internal anti-rotation feature. The ensure the quick connector is properly aligned to the heater core pipe, position the white mark to the 12:00 O’clock position during installation.

  5. Install the heater inlet hose (2) to the heater core.
  6. Engage the heater inlet hose quick connect clip (1) at the heater core.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.
Heater Core Replacement
Heater Core Replacement Callout Component Name Preliminary Procedures Remove the Heater and Air Conditioning Evaporator and Blower ...

Heater Inlet Hose Replacement (LUV)
Heater Inlet Hose Replacement Callout Component Name Preliminary Procedures Drain the engine coolant. Refer to Cooling System Drain ...

Other materials:

Vehicle Alarm System
This vehicle has an anti-theft alarm system. The indicator light on the instrument panel near the windshield indicates the status of the system. Off: Vehicle is disarmed. On Solid: Vehicle is secured during the delay to arm the system. Fast Flash: Vehicle is unsecured. A door, the hood, or t ...

If the Off Indicator Is Lit for an Adult-Size Occupant
If a person of adult size is sitting in the front outboard passenger seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airb ...

Battery Positive and Negative Cable Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the fuse block and battery positive cable cover. Remove the battery tray. Refer to Battery Tray Replacement. Remove the battery posit ...

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