Yes, fill it thru the tranny dipstick tube, not the one for the engine oil. If you do that, you've messed up and have to start all over again.
Both. The reservoir is the overflow. But in the event your radiator is low, your reservoir will back it up.
Yes, it is located 12 inches to the inside of the radiator overflow tank. It is red in color.
In the front of the engine at the bottom in front of the radiator passanger side
the overflow res. cap is the radiator cap on the 97 cavalier
The radiator cap could be the cause of coolant reservoir overflow or backup. Have the cap checked to see if it is bad.
coolant overflow/reservoir tank
you don't fill the radiator directly, there is no radiator fill cap. you fill the overflow reservoir and it keeps the radiator full. overflow reservoir is spherical plastic near firewall. power steering reservoir is up front near battery.
If you mean the plastic overflow tank, replace it. If you mean the plastic tanks on either side of the radiator core, replace the radiator.
for most latest car and SUV model it is located beside the radiator. You can find it easily by following the overflow hose attached in the neck of the radiator. the end of it is the location of the coolant reservoir
Remove the radiator cap and add it directly to the radiator. Then fill the overflow reservoir to the full mark.
If the engine coolant reservoir has a thread on cap , that is your pressure cap / " radiator cap "
the overflow reservoir, it should have marks for full cold and hot