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I have a 2000 infiniti i30 and have replaced the thermostat, radiator and fan motor and my car is still overheating. i have tried bleeding the system but it all the air doesnt seem to come out. Is there a bleed valve i can use on a hose to get the air out??

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Posted on Jan 02, 2017

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SOURCE: 2000 Lincoln ls overheating

There is a hose on the side of the coolant resevoir that has a straight blade screwdriver fitting in it. Open the fitting and this will bleed the heads on the LS. Without opening this you will never get the air out of the head, trust me.

Posted on Nov 11, 2008

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SOURCE: 98 VW Beetle. Changed out the thermostat for an

I have a 1985 Jetta diesel. What I did since the car has no way of bleeding the air out of the system via bleeder screw I parked the car on a slight incline leaving the tank for the fluid at a higher level. I ran the car until the thermostat opened (The thermostat is on the bottom of my engine) I kept topping off the antifreeze. I also kept a jug of anti freeze and water in my car for the next few day. Whenever I got done driving the car and the car cooled off I would check it to see if I needed to top it off. I finally got the air out of it. You could call the vw dealer to see if there is a bleeder on the engine, if so open the bleeder and fill until antifreeze/water comes out, then close the bleeder and top it off to the full level. Just to be safe check the level after you drive the car. Air can still get trapped.

Posted on Sep 06, 2009

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SOURCE: 1999 Chevy Venture continuosly overheating

sounds like u might have a blown head gasket is your oil milky colored

Posted on Nov 17, 2008

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SOURCE: overheating problem on a 1998 BMW 318ti

Perform a liquid block test (with the bottle of fluid over the radiator mouth.) If the blue liquid turns yellow or clear, you have hydrocarbons entering the cooling system (usually via head gskt.) If not, you have ruled out a costly repair.

Sounds like it overheats pretty easily, without t-stat! This block testing liquid is cheap, and will verify a suspected leaking head gasket without lengthy diagnosis. Hope it's better news, but good luck!

Tater Todd

Posted on Jan 28, 2009

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SOURCE: Help with cooling system!!

OK, firstly The basis that a cars cooling system runs on is very simple. The system is a pressurized cycle that moves the coolant around, along with the heat, and is slowest in the radiator to allow heat to escape. If the system is not pressurized then the cycle will not work properly and coolant will not move.
If there is air in the system this can create what would seem like a blockage. 'bleeding the system is not the answer especially if you are using the drain on the radiator. That drain is only for draining fluid not air.
If air blockage is the problem then what you do is open the system at the highest point possible. this is usually a hose at the top of the radiator or something, whatever is easiest. Then find the other hose attached to the radiator, lower, higher makes no difference. then simply squeeze the second hose. this will 'burp' the air out do this for a while until all that happens is fliud is pushed out repeatedly.
then reattach the top hose and top up the radiator, and go for a drive.
If this doesn't fix the problem then air is not the problem.

Posted on Jun 11, 2009

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Mazda 626 is overheating. changed the thermostat twice in 10 weeks Both fans are working;increase temp when Accelerating.tried to bleed air from the system but this model doesn't have a bleed valve.

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My car fan come on when the car at normal temp constantly. I just replaced a cracked radiator and thermostat. Now my car fan constantly run when the car is in park or stand still

you have created an overheating problem by replacing the radiator and the thermostat and not ensuring that there was no air lock in the cooling system
The fan is now constantly running because the coolant sensor is reading a high coolant temperature
First step is to ensure that there is not an air lock in the cooling system by bleeding the air out and if the fan still runs then check the way the thermostat was installed

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Continuous overheating 2000 lincoln navigator replace water pump already

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Could be several things - you will need to figure out if the cooling system is working or if the engine is producing extra heat such as with a restricted exhaust.
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Never use a used radiator... check electric cooling fan, and air must be purged out of the radiator / cooling system after refilling it, this can be a little difficult. are you sure that it is not leaking coolant from somewhere else, which would cause the overheating.?

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Why is my car overheating? i ave replaced the intake gaskets, water pump and thermostat

with replacing all these items, i assume a fair amount of coolant was lost, and hopefully you have topped it up......the thing with topping the radiator up, is that you need to be sure that you bleed the system of air, as in open the bleed screw, or keep the radiator cap off until the engine fan turns on and the thermostat opens up, indicating the coolant is flowing around the entire system

If you dont bleed the system proplerly, and there is air, what can happen is that the air accumulates at a high spot and causes localised heating, and if this is around a sensor sopr, it could indicate overheating, even though most of the system is getting water

I hope this helps

Jun 11, 2010 | 2000 Oldsmobile Alero

4 Answers


there is a coolant cap on the overflow bottle check it for seal
i'd just replace it
also if you put the new thermostat in backward the overheating would be significant

Apr 21, 2009 | 2000 Lincoln LS

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