Chevrolet Sonic Repair Manual: Radiator Cleaning
Warning:
NEVER spray water on a hot heat exchanger. The resulting steam could cause personal injury.
Caution:
The heat exchanger fins are necessary for good heat transfer. Do not brush the fins. This may cause damage to the fins, reducing heat transfer.
Note:
Blow compressed air through the engine side of the radiator to remove any foreign material, such as insects, leaves, and dust.
- Warm water and mild soap may be needed in some conditions.
- Wash the A/C condenser fin.
- Wash the A/C condenser and radiator thoroughly.
- Wash the radiator cooling fin.
- Repair any damaged cooling fin.
Radiator Air Baffle Replacement (LUV, LUW)
Radiator Air Baffle Replacement
Callout
Component Name
Preliminary Procedure
Remove the front bumper fascia assembly. Refer to ...
Radiator Inlet Hose Replacement (LDE LUW)
Special Tools
BO-38185 Hose Clamp Pliers
For equivalent regional tools, Refer to Special Tools.
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Fill ...
Other materials:
Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
Special Tools
EL-49642 SPS Programming Support Tool
For equivalent regional tools, refer to Special Tools.
Note:
DO NOT program a control module unless directed to by a service procedure
or a service bulletin. If the ECU is not properly configured with the correct
calibration ...
Brake Pedal Pushrod Inspection
Disconnect the brake pedal pushrod (2) from the brake pedal.
Reposition the pedal pushrod boot (1) toward the front of the vehicle to
expose as much of the pedal pushrod (2) as possible.
Inspect the brake pedal pushrod (2) for straightness.
If the brake p ...
Odor Correction
Eliminating Air Conditioning Odor
Odors may be emitted from the air conditioning system primarily at start
up in hot, humid climates. The following conditions may cause the odor:
Debris is present in the HVAC module.
Microbial growth on the evaporator core
When the blower ...
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