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:
Driver Information Center (DIC)
The DIC displays information about your vehicle. It also displays warning messages
if a system problem is detected. See Vehicle Messages. All messages appear in the
DIC display in the instrument cluster.
DIC Operation and Displays
The DIC has different displays which can be accessed b ...
Hydraulic Brake Component Operation Visual Inspection
Disc Brake
With the tire and wheel assemblies removed and the brake rotors retained
by wheel lug nuts, visually inspect the brake caliper piston dust boot (2)
sealing area to ensure that there are no brake fluid leaks.
If any evidence of a brake fluid leak is p ...
Lead/Pull Description
At a constant highway speed on a typical straight road, lead/pull is the amount
of effort required at the steering wheel to maintain the vehicle's straight path.
Important: Vehicles will tend to lead/pull in the direction of the
road slope as part of normal operation.
Lead/pull is ...
0.007