Question about 2003 Yamaha YZ 125

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I fill the radiator and it pushes out the over flow then within ten minutes it needs refilling

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Air is gettiing trapped in the radiator/engine block.

Posted on Jul 14, 2009

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Warm up your bike with the cap loose. As it warms up, the coolant should not be pumping out, but you should see it moving around in the rad. This means the wtr.pmp. is working and the thermostat is opening. When the coolant is too hot for your finger, tighten the cap. If it begins to overflow a little bit, get a new OEM cap. If it overheats and bubbles out before you tighten the cap, your thermostat is stuck closed.

Posted on Jul 16, 2009

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Pressure test the cap if it does not hold pressue then treplace the cap, if the spring is weak it will cause it to leakand there is no way to visablly see if it has a weak spring. Also the rubber on the cap may be worn out or cracked, take it to a autoparts store and have it tested for free.

Posted on Jul 14, 2009

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No heat in acura tl


Check coolant level...next would be replace thermostat, then if needed flush and refill radiator/cooling system...any leaks?

Oct 07, 2015 | Acura Cars & Trucks

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2003 alero coolant light keeps coming on i refill and drive a couple of miles and it comes right back on Then it might go off as the temp rises. Might i need to replace the radiator or thermostat? M


let it cool,then take the cap off of the radiator,fill with antifreeze,run motor with cap off for 1 minute,shut off fill with anti freeze and put cover back on,if you continue having problems,replace the thermostat,if you have to keep refilling it,then you have a leak,check your radiator ,hoses and pump for leakage

Jun 21, 2015 | Cars & Trucks

1 Answer

How to replace coolant for nissan altima 2006


Park the Nissan Altima on a flat surface and set the parking brake. Next, open the hood and check the external temperature of the radiator. If the radiator is warm to the touch, wait for the radiator to cool before you continue.

Twist the radiator cap one turn to relieve any pressure. Step back from the radiator and allow a few seconds to pass, and then completely remove the radiator cap.

Place a bucket or tray with at least a 2-gallon capacity underneath the radiator and below the drain plug. The drain plug on a Nissan Altima is on the passenger side bottom of the radiator.

Loosen the drain plug and let the old coolant drain completely into the bucket. Take care while loosening the drain plug, because it's plastic and can be brittle. Pour the old coolant into a sealable container for proper disposal later and put the bucket back under the drain plug opening.

Close the drain plug and pour distilled water into the radiator until it's full. Then, open the drain plug and let the water flow into the bucket. Keep repeating this procedure until the water runs clear and debris free into the bucket. You will need at least 3 gallons of distilled water.

Make sure to tighten the drain plug and fill the radiator with fresh coolant. Refill the radiator to within an inch of it overflowing. Check the drain plug and hoses for any possible leaks.

Start the Nissan Altima and turn the heater to the high setting. Let it run for about 10 minutes and shut the engine off. Check the coolant level and refill, if necessary. Finally, put the radiator cap on and close the hood.

Oct 23, 2010 | 2006 Nissan Altima

1 Answer

My coolant is filling up with transmition fluid why?


Transmission fluid is sometimes cooled by way of a seperate internal tank within your radiator, the fluid is passed through hoses and steel or aluminum tubes from the transmission to the radiator, as the fluid flows thru the internal tank within the radiator it transfers heat from the fluid into the coolant within the radiator which then exchanges the heat from the coolant thru the radiator fins and into the ambiant air around the radiator.
That being said, if the internal transmission fluid tank or the connections at or within the radiator develop some sort of leak, the two fluids(coolant and transmission fluid) will mix and will show up where it shouldn't be! You may have an internal leak within the radiator, which means the radiator needs to be replaced.
Good Luck!

Aug 02, 2010 | 1996 Dodge Caravan

2 Answers

I want to change my antifreeze in my 2003 merc grand marque. Where is the drain plug on the radiator? Do I pour the new antifreeze into the overflow tank on top when I refill it?


look down at rad from top to get familiar with where i am talking about. now opposite side of the lower rad hose is where you want to go, two styles of rads, one has a wing nut type white plug, and other as 6 sided white plug, unthread with pliers or by hand loosen till desired flow is coming out. fill into reservior or overflow tank to half way and run engine til i reaches operating temperature and you has good heat out of heater, this makes sure all air is out of system, and this is complete ttop up to full and install cap

Jul 06, 2010 | 2003 Mercury Grand Marquis

3 Answers

My coolant expansion tank overflows after 20 minutes of running the engine


you either have a blown head gasket or cracked head both reasons will put compression gas into coolant system since air gets hotter faster than coolant any air in system will cause very fast over heating and push coolant out. the ford 3.0 is has a record of this problem the fix is not cheap and if you do it your self or have a shop do it both heads should be done and the t stat also replacing water pump would be wise

Feb 17, 2010 | 1996 Mercury Sable

1 Answer

How do you flush,refill cooling system


When the engine is cool, open the plastic(black) drain at the bottom of the radiator. I should mention you'll need a drain pan, but, you knew that...lol. If you can jack the rear of the vehicle up a few inches this will help empty certain areas within the engine. Close the drain plug and fill with cool water, " DO NOT" put the radiator cap back on. Start the engine and turn the climate control inside to hot and "heat". Running the engine watch from out side the level will rise and drop when it drops keep adding water until the thermostat opens, you'll know by the temp of the top radiator hose. Let the ngine run for about 10 minutes, then turn off. Later, when cool again, drop the back end of the vehicle to the ground. Open and drain the radiator entirely. Fill with aproppriate amount of anti freeze, 4 cylinder 4 quarts, six cylinder 6 quarts etc. Run engine till warm again and themostat opens fill with remaining water. And top of the over flow tank. Cap off the radiator and you're done. Keep a close eye on the temp for a day just in case there was an air pocket in therre.

Jul 29, 2009 | 2004 Chevrolet Cavalier

1 Answer

2001 dodge neon dohc engine 2.0 radiater cracked inside a/t oil passage and mixed a/t oil and coolant . after replacing radiater I could not bleeding air.because before thermostat opining,coolant is...


Ok well there are two issues here the boiling and the potential for the transmission to be harmed by the contamination of the tranny fluid by antifreeze. First A/T fluid is not going to harm the coolant system in the least, however antifreeze in the trans. fluid will harm the automatic transmission get the tranny flushed as soon as possible , Change out the thermostat then refill radiator using 50% water 50 % antifreeze ( premixed in container) fill radiator then run the car without radiator cap add coolant as needed, put you radiator cap on and wait 5 - 10 minutes until car comes up to operatimg temp. you must observe the engine to make sure the electric radiator fan comes on after the car runs for at least ten minutes if it does not the problem is the usually the radiator fan relay or the fan coolant temperature sensor last in rare cases the fan itself. As for the air bleed usually letting the car run with the radiator cap off for ten to fifteen minutes will do it just make sure you don't remove the radiator cap when the car is hot 2nd degree burns usually hurt.

Jul 14, 2009 | 2001 Dodge Neon

1 Answer

Porsche boxster 1998 overheats very easily


it could be the thermostat has gone bad-does top hose get hot if no then likely bad thermostat, water pump is bad if pulley is wobbly it is bad, radiator is clogged with corrosion, look in rad when cold and if it is dirty or milky it needs flush and refill with new antifreeze

Jul 08, 2009 | 1998 Porsche Boxster

2 Answers

Radiator coolant


I hate to be the one to break it but it make be your head gasket I had the same problem first they thought the thermostat then I was left on the side of a high way in the de4ad of winter

Jun 07, 2008 | 1996 Pontiac Trans Sport

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