There is a petcock on the right side toward the bottom of the radiator that you must loosen. Also, disconnect the lower radiator hose. I believe it is an 8 or 9 gallon system. Refill the coolant by pouring it into the coolant tank, since Chevy has quit putting caps on radiators. Josh C
go to the auto store and buy some prestone flush. instructions are on the back. basically you drain your radiator, pour in the flush, refill the system with water, run the engine with the heater on high for about 15 minutes, then drain the system again, refill it with 50/50 coolant.
The coolant drain plug on a 2005 Chevy Silverado is typically located at the bottom of the radiator. It is usually a plastic or brass plug situated on the driver's side. To drain the coolant, you may need to use a wrench or pliers to loosen the plug, allowing the coolant to flow out into a container. Always ensure the engine is cool before attempting to drain the coolant.
2007 Chevy 2500 HD 6;0
What does your owner's manual say to use? If low silicate is not listed then drain and refill with the proper coolant.
The radiator drain plug on a 1989 Chevy C1500 Silverado is on the bottom of the radiator.
In systems that do not have a radiator cap, the coolant is drained by the radiator drain plug. It is filled by adding coolant to the system through the overflow bottle.
Remove radiator cap (when cold), open petcock valve at bottom of radiator (usually at the driver side bottom), drain. you'll wanna flush the system with some sort of over the counter flushing agent before you refill it. instructions are on the bottle.
Drain, flush, and refill.
To flush the coolant on a 2006 Chevy Equinox, first, ensure the engine is cool, then remove the radiator cap and place a drain pan underneath the radiator. Open the petcock at the bottom of the radiator to drain the old coolant completely. After draining, close the petcock, fill the radiator with a coolant flush solution and water, run the engine to circulate the solution, then drain it again. Finally, refill the radiator with the appropriate coolant mixture and check for leaks.
change the relay and drain refill with a cleaner then drain again and refill with anifreeze and water.
Drain the blazer radiator. Refill with water. Open the heat on high, start the engine for a few minutes. Drain the system again Repeat this several times to get all of the old coolant out.
To replace the heater control valve on a 2000 Chevy Silverado, start by disconnecting the negative battery cable to prevent any electrical shorts. Drain the coolant from the radiator, then locate the heater control valve, which is usually found near the firewall in the engine compartment. Disconnect the hoses attached to the valve and remove the mounting bolts, then install the new valve by reversing the process. Refill the coolant, reconnect the battery, and check for leaks before starting the engine.