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Probably because the cap is worn out. They're cheap, so you might as well replace it. Look at where the seal touches the radiator while you're at it and make sure there's no crud interfering with making a good seal. In a modern car the fluid level goes all the way to the top of the radiator, and the overflo gets caught in the bottle, so if the seal isn't good it will leak more or less all the time, at least until you've lost so much coolant that the radiator is no longer full. The gasket is probably damaged or worn. Replace the cap and it should be ok. Caps are supposed to be able to typically hold 12 to 15 PSI, depending on the manufacturer. If you're building more pressure than that, you probably have a problem with the cooling system and will need to investigate further.
Wiki User
∙ 17y ago
Wiki User
∙ 11y agoSounds like you may have a cracked cylinder head. Get an expert to look at it SOON.
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Where would Antifreeze leak in 1999 VW Jetta?
The only way to find out for sure is to have the cooling system pressure tested.
Antifreeze leak around passenger side floor board?
Heater core leaking?
Why would a 2001 Jeep Grand Cherokee Laredo have a smell of antifreeze coming through the dash vents?
i believe the heater core is leaking, a small pin hole leak can generate a lot of smell.
Where do you put antifreeze in a 88 jeep Cherokee Laredo.. radiator has no cap.. anywhere?
the 88 has a 'closed system'... you fill it through the overflow resevior....
What would cause a strong odor of gasoline out side a 1993 Cherokee after a short daily commute where no fuel leak is detected?
A fuel leak that you havent detected yet maybe try this I had this prob w/ my 95 Cherokee after having everything else checked out .... I replaced the gas cap, a 5$ fix, o-ring was worn and allowed fumes to leak out causing smell....hope that helps
Why would antifreeze leak in your car on the driver side?
cap is off
Where is the radiator cap on 1994 thunderbird?
Please advise where the radiator cap is located on a 1994 ford thunderbird. I have to add a stop leak product to stop antifreeze leak and I cannot locate the cap.
Why would antifreeze leak from the radiator cap?
If you have a "Leak" from the cap either the cap needs to be replaced or the top of the Radiator is damaged. It is normal for thermal expansion (water gets bigger when hot) to cause the coolant to go into the expansion tank when cars is hot and to be drawn back into the radiator as the engine cools
If there is an antifreeze leak would it stop leaking antifreeze and then leak water?
No. they're dissolved in each other and are quite hard to seperate.
How fast would antifreeze leak from the intake manifold?
The leak would vary on the size of the hole or seal failure.
Why would a kx85 leak antifreeze?
maybe your head gasket
Why would antifreeze leak from the radiator?
There may be a hole in the radiator?
Would antifreeze leak out if the thermostat housing wasn't tight?
If not tight enough to seal it will leak.
How can I start my car with low antifreeze?
You need to have your antifreeze up to par and if it is a leak you are worried about until you get somewhere to have it fixed there are quick fix solutions such as Barr's Leak that you can use it will seal the leak temporarily to get you to where you are going. Do not ever open your radiator cap if your car has been running - only open it when it is cold.
What will cause a 2000 dodge stratus motor to smell like antifreeze when you have drove it a few miles?
An antifreeze leak.An antifreeze leak.
What causes antifreeze to all leak out?
A leak.
What are the signs of a leaking intake manifold?
Leaking antifreeze? An exterior leak would show up with a puddle on the ground. An interior leak would show up in your engine oil with a milky goop on the dipstick or under oil cap, not a good thing. Vacuum leak? A vacuum leak would give you a crappy idle and probably the check engine light would come on with a code for a lean condition.
