Could be a problem with the heater matrix. It was with ours in this situation.
Yes, definitly the heater element broken - lot of work
To bleed the cooling system on a 96 Acura 3.5 L, cool the radiator and remove the radiator cap. Loosen the drain plug and drain.
drain the whole cooling system and refill it. You will never know if you don't give details of your car!
If you do not have a radiator cap once you drain the radiator, you can use several options to flush the cooling system. You can easily do this by filling up the system with as much water as you can and then warm it up.Ê
Remove the lower radiator hose or loosen the radiator drain.
there is no "block drain", just remove the lower radiator hose to drain the block
pull off the lower radiator hose.
there is a drain plug on the bottom tank of the radiator
No. to drain your radiator just undo the main bottom hose until it is empty then tighten it back up & refill the coolant system.
Drain and flush your entire cooling system.
the cooling system is a pressurized system with the radiator cap designed to release pressure and expanded coolant into the overflow can. there is a drain however, look at the bottom of the radiator on the passenger side for a wingnut, loosen it and the coolant flows out.
The 97 Cavalier doesn't have a typical drain on the radiator, as the entire system is closed and should only need service every 100,000 miles (barring any leaks or malfunctions) with the Dex-Cool coolant. To drain the cooling system, all you have to do it get under the radiator on the passenger side of the car and locate the drain plug. When you remove it, the coolant will run onto a piece of the frame and finally down through a nearby hole. You'll need to place something like an oil pan under the hole to catch the coolant.
The radiator does not have a drain plug. The easiest way to drain is remove a hose.