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.

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:

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise may be heard. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline with a higher ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. 1.4L L4 Engine 1. Engine Cooling Fan (Out of View) 2. Engine Coolant Surge Tank and Pressure Cap 1.8L L4 Engine 1. Engine Cooling Fan (Out of View) 2. Engine Coolant Surge Tank and Pressure Cap Warning An e ...

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...