possibly a leak in cooling system
The heater core has no overflow hose. Cooling system is a closed loop system and the only overflow hose is the one going from the radiator cap to the reservoir. A thermostat that is stuck closed will cause the engine to overheat. Drain and flush the radiator, replace the thermostat, install a 50/50 mix of antifreeze and distilled water, bleed air from the system. You may also need to replace the radiator cap. Be sure and replace these parts with OEM parts.The heater core has no overflow hose. Cooling system is a closed loop system and the only overflow hose is the one going from the radiator cap to the reservoir. A thermostat that is stuck closed will cause the engine to overheat. Drain and flush the radiator, replace the thermostat, install a 50/50 mix of antifreeze and distilled water, bleed air from the system. You may also need to replace the radiator cap. Be sure and replace these parts with OEM parts.
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.
Can be the thermostat which is cheap to replace, or it might be the head gasket which is expensive.
You need to replace the thermostat and flush the system of crud.
1. Remove radiator cap. 2. Place funnel in hole. 3. Pour antifreeze into funnel until radiator is full. 4. Remove funnel. 5. Replace radiator can. 6. Remove Overflow reservoir cap. 7. Add extra antifreeze to Overflow reservoir to full mark. 8. Replace Overflow reservoir cap. 9. Start vehicle and watch temp gauge for 5 minutes, also watch engine area for antifreeze leaks.
It sounds like you may need to replace your thermostat. Even though you have enough coolant in the radiator and overflow reservoir the coolant may not be circulating through the system because the thermostat is not opening. When the coolant can't flow through the engine and radiator it will get very hot and stay very hot. This is usually an inexpensive and fairly easy fix, just purchase a new thermostat and install it or have a mechanic do it for you.
Drain the radiator. Remove the lower radiator hose from the motor. Unbolt the hose inlet, and remove the thermostat. Replace the thermostat and the inlet, the hose, and refill the radiator.
To replace the thermostat on a 2002 Cavalier 22 Ecotec, drain the radiator and remove the upper hose assembly. Replace the thermostat and refill the radiator.
Drain the radiator (dispose of the fluid properly) Remove the hoses from the radiator (upper, lower & transmission lines) Remove the coolant overflow reservoir Loosen the mounting bolts and fan shroud bolts and anything else that is attached so you can pull the radiator up and out. Replace the radiator & bolt it in Reconnect the fan shroud, reservoir & hoses Might even want to flush the radiator to make sure there isn't any debris inside. Fill with coolant & water mixture You might also want to go ahead and replace the thermostat while you are at it.
To replace a thermostat on a 2000 Ford F-250 V10, drain the radiator. Locate the thermostat on the top hose assembly and remove the screw. Replace the thermostat and refill the radiator.
unplug line at bottom of overflow or bottom of radiator
Stuck closed thermostat. Replace the thermostat.
Drain the radiator into a container. Remove the upper radiator hose at the engine and remove the 2 bolts in the thermostat housing. Remove the thermostat and clean the surfaces. Install the new thermostat ,upper radiator hose and refill the radiator.
Drain the radiator. disconnect the top radiator hose from the engine. Remove the water inlet that the hose was hooked to. The thermostat is in the housing. Replace the gasket when replacing the thermostat.
To replace the thermostat on a 91 Cavalier you need to drain the radiator. Remove the top radiator hose and water inlet. Remove the thermostat from under the inlet. Install the new thermostat and reinstall the inlet and hose. Fill the radiator with fresh antifreeze.
Almost all thermostats are located at the motor where the top radiator hose connects to the motor. Drain the coolant, remove the 2 bolts in the thermostat housing, replace the thermostat, and replace the housing and refill the radiator.
my 1993 Toyota Camry radiator had a hole in it it was overheating. I replaced the radiator. The car is still overheating where is the thermostat located. First, drain your coolant from the radiator. Find your lower radiator hose and follow it to the metal housing. This is the thermostat housing. Remove the 2 nuts with a 10mm wrench. Remove the thermostat and replace with new one and new gasket. Re-install and re-fill your radiator with new coolant. Drive the car with heater running. Allow the engine to cool and top off the radiator. Add coolant to the reservoir to halfway between Full and Low.
To replace the thermostat on a 1988 535i, first locate the top radiator hose and remove the end connected to the motor. Take out the old thermostat and use gasket cleaner to remove the old gasket. Then replace the gasket and thermostat exactly as it was when it came out. Tighten up the radiator hose over the thermostat.
The way to replace the thermostat on a 91 Acura Legend Coupe is to drain the radiator and remove the throttle and cable box. Remove the top of the radiator hose and the bolts. The thermostat will be inside.
through the overflow bottle
To replace a thermostat on a 2005 Chrysler Sebring first drain the coolant from the vehicles radiator, the engine must be shut off during this repair. Then follow the main radiator line to the thermostat housing. Remove the housing and replace the thermostat inside. Refill the coolant.
It is at the end of the lower radiator hose on the motor. You will have to empty the radiator and remove the housing to replace it.
The thermostat on a VW Jetta VR6 is replaced by removing the upper radiator hose and unbolting the radiator housing. The thermostat is then removed from its housing and a new thermostat installed.
Drain the radiator. Remove the radiator hose. Remove the inlet from the engine. The thermostat is in the inlet. Replace the inlet and the gasket, and reverse the procedure to finish the procedure.
Remove the top radiator hose. The thermostat is located under the hose inlet on the engine. Remove the inlet to replace the thermostat.