Place a pan below the vehicle to catch the draining coolant.
Remove the surge tank cap.
Disconnect the lower radiator hose.
Drain the coolant.
Reconnect the lower radiator hose.
Fill the cooling system through the surge tank with a
mixture of ethylene glycol antifreeze and water. The
mixture must be at least 50 percent antifreeze, but
not more than 60 percent antifreeze for cold weather
operation.
open the upper timing belt cover the first thing lower to crankshaft is water pump.
Check your water pump the impeller tends to corrode away and not pump water
Could be a problem with the heater matrix. It was with ours in this situation. Yes, definitly the heater element broken - lot of work
Head was redrilled
check your water or coolant level If coolant level is ok, replace the thermostat.
Use only Honda Coolant unless you want to replace the water pump which will be damaged if you use any coolant with sliicates in it. Also use distilled water not tap water. Honda sells a premixed coolant for around $5 a quart. Money well spent.
The best way to replace the coolant elbow is to remove the water pump and insert the new elbow before inserting the bolts for the water pump. Check that there are no pieces of the old plastic elbow lodged inside. Replace both elbows (if so equipt) at the same time. If you need additional information look for the write up of how to replace a water pump on a grand prix. Hope this helps. "G"
If it is noisy, leaking or not pumping sufficient coolant to cool the engine, replace it.
Your coolant pump is behined the fan, you will have to replace the water pump.
The water pump circulates the coolant throughout the engine. When a pump fails on a 1997 Hyundai the coolant will not circulate properly and cause the engine to overheat.
The water pump on a 97 Nissan Sentra is behind the timing belt. To replace it you will need to drain the coolant, remove the cylinder head, loosen pulley bolts, drive belts, and water pump pulley. Next, remove coolant hoses, water pump bolts, and finally the old water pump. Reverse directions to replace with new pump.
Remove off side front wheel, behind the wheel is a flexible water cover secured by 2 nuts on the top and 2 on each side, and 1 screw underneath. Remove this cover and the fan belts are accesible