Chevrolet Sonic Owner's Manual: Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
It is normal to see coolant moving in the upper coolant hose return line when the engine is running.
Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down.
If coolant is visible but the coolant level is not at or above the mark pointed to, add a 50/50 mixture of clean drinkable water and DEX-COOL coolant.
Be sure the cooling system is cool before this is done.
What to Use
Warning
Adding only plain water or some other liquid to the cooling system can be
dangerous. Plain water and other liquids, can boil before the proper coolant mixture
will. The coolant warning sy ...
How to Add Coolant to the Coolant Surge Tank
Caution
This vehicle has a specific coolant fill procedure. Failure to follow this
procedure could cause the engine to overheat and be severely damaged.
If no problem is found, check to see if coo ...
Other materials:
Anti-Corrosion Treatment and Repair (Base)
Warning: When applying sound deadeners, or anti-corrosion materials
due care and preventative measures must be exercised to prevent any material
from being sprayed into door and quarter panel mechanisms such as door locks,
window run channels, window regulators and seat belt retractors, ...
Timing Belt Replacement
Special Tools
EN-6333 Timing Belt Tensioner Locking Pin
EN-6340 Camshaft Locking Tool
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Note: If the timing belt is being replaced due to the maintenance
schedule interval, then the timing belt t ...
Evaporator Air Temperature Sensor Replacement (LHD)
Evaporator Air Temperature Sensor Replacement
Callout
Component Name
1
Evaporator Air Refrigerant Temperature Sensor
Procedures
Disconnect the refrigerant temperature sensor
electrical connector.
Twist a ...
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