Chevrolet Sonic Repair Manual: Coolant System Flushing
Note:
- Do not use a chemical flush.
- Store used coolant in the proper manner, such as in a used engine coolant holding tank.
- Do not pour used coolant down a drain. Ethylene glycol antifreeze is a very toxic chemical.
- Do not dispose of coolant into the sewer system or ground water. This is illegal and ecologically unsound.
- Various methods and equipment can be used to flush the cooling system. If special equipment is used, such as a back flusher, follow the manufactures instruction. However, always remove the thermostat before back flushing the system.
- Apply the parking brake.
- Drain the coolant. Refer to Cooling System Draining and Filling.
- Fill the cooling system with clean drinkable water. Refer to Cooling System Draining and Filling.
- Start the engine and run at 2,000 RPM until the thermostat opens.
- Turn OFF the engine.
- Drain the coolant system. Refer to Cooling System Draining and Filling.
- Repeat the above procedure until the water from the coolant system is colorless.
- Drain the coolant system. Refer to Cooling System Draining and Filling.
- Repeat the above procedure until the water from the coolant system is colorless. Refer to Cooling System Draining and Filling.
Information
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Cooling System Description and Operation
Cooling System
The cooling system maintains the engine operating temperature at the efficient
level under any speed and operating condition. When the engine is cold, the
cooling system ...
Other materials:
Special Tools (MIT Tool Instructions)
Bluetooth Pairing for Vehicles with
Radio RPO: UF7
Either reset the pin code on the radio to 0000, or go under Device Info on
the radio and see what the pin code is (to enter it later on the MIT).
Turn the BT discoverable ON in the radio Bluetooth
settings.
Press Pair De ...
Front Side Door Adjustment
Front Side Door Adjustment
Callout
Component Name
Preliminary Procedure
Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
1
Front Side Door
Caution: Refer to ...
Transmission Mount Bracket Replacement - Left Side
Removal Procedure
Remove the left transmission mount. Refer to
Transmission Mount Replacement - Left Side.
Remove the three left transmission mount bracket to
transmission bolts (1).
Remove the left transmission mount bracket (2) from
the transmis ...
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