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:
Outside Rearview Mirror Replacement (Manual)
Outside Rearview Mirror Replacement
Callout
Component Name
Preliminary Procedures
Remove the front side door upper front trim panel. Refer to Front
Side Door Upper Front Trim Panel Replacement.
Remove the outside rearview ...
Engine Replacement (Automatic Transmission)
Special Tools
J-45859 Wheel Drive Shaft Remover
CH-807 Closure Plugs
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Remove the battery and battery tray. Refer to Battery Tray Replacement.
Relieve the fuel system pressure. Refer to Fuel Pressur ...
Water Pump Installation
Clean the sealing surfaces and the 3 coolant pump threads.
Install NEW gasket.
Caution: Refer to Fastener Caution.
Caution: Refer to Torque-to-Yield Fastener Caution.
Install the coolant pump (1).
Install 5 NEW bolts (2) and tighten to 8& ...
0.0101