temp
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Joined: Nov 2006
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From: lumberton, nc, usa
temp
I'm ensure why my car, an 01 civic 130,000 miles, is currently over heating constantly, the radiator cap heats up wants to shoot off. I just put a new radiator in and had the oil changed put the problem still persist, anybody else had to deal with this. could the engine be at a loss I've took good care, bought it with 100,000 miles.
B*a*n*n*e*d
Joined: Sep 2007
Posts: 7,457
Likes: 15
You probably have air trapped in your system, or your heater core's clogged. Try bleeding the cooling system, first.
source: hondacivicforum admin. Forty04
1 - Make sure car/motor is cold, and remove your radiator cap. It’s crucial for your car to NOT be at operating temp; or else you will burn yourself.
2 - Fill the radiator will coolant until it comes out the top.
3 - "Pump" the lower radiator hose by squeezing it with your hands. This will get some of the bigger bubbles to come out of the radiator.
4 - Now, put the front of the car up on jackstands.
5 - With the radiator cap still OFF, go ahead and start car and let it idle until it reaches normal operating temperature. (You will feel the upper radiator hose getting hot. Ideally it should be almost too hot to touch, at which point the thermostat should open, and cycle coolant through the motor)
6 - As the motor runs, you should see your coolant level inside the radiator going down, this is good. Just keep topping it off until the level no longer drops.
7 - Once you know that coolant is cycling through the motor (you can usually feel it coming down through the lower radiator hose, and the hose will begin to get warm), put the radiator cap back on.
8 - Now, with the radiator cap on, and coolant cycling through the motor, open the bleeder valve until coolant comes out. You will probably see tons of little bubbles.
(If you have trouble getting the coolant/air bubbles to come out of the bleeder, just rev the engine a bit, should shoot right out.)
9 - Repeat step 8 a few times until you no longer see air bubbles. It should only be a steady stream of clean coolant.
10 - Tighten the bleed screw, and take the car for a ride to make sure it stays at normal operating temp, be sure there is no leaks, and also that the fan is kicking on.
source: hondacivicforum admin. Forty04
1 - Make sure car/motor is cold, and remove your radiator cap. It’s crucial for your car to NOT be at operating temp; or else you will burn yourself.
2 - Fill the radiator will coolant until it comes out the top.
3 - "Pump" the lower radiator hose by squeezing it with your hands. This will get some of the bigger bubbles to come out of the radiator.
4 - Now, put the front of the car up on jackstands.
5 - With the radiator cap still OFF, go ahead and start car and let it idle until it reaches normal operating temperature. (You will feel the upper radiator hose getting hot. Ideally it should be almost too hot to touch, at which point the thermostat should open, and cycle coolant through the motor)
6 - As the motor runs, you should see your coolant level inside the radiator going down, this is good. Just keep topping it off until the level no longer drops.
7 - Once you know that coolant is cycling through the motor (you can usually feel it coming down through the lower radiator hose, and the hose will begin to get warm), put the radiator cap back on.
8 - Now, with the radiator cap on, and coolant cycling through the motor, open the bleeder valve until coolant comes out. You will probably see tons of little bubbles.
(If you have trouble getting the coolant/air bubbles to come out of the bleeder, just rev the engine a bit, should shoot right out.)
9 - Repeat step 8 a few times until you no longer see air bubbles. It should only be a steady stream of clean coolant.
10 - Tighten the bleed screw, and take the car for a ride to make sure it stays at normal operating temp, be sure there is no leaks, and also that the fan is kicking on.
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