first I thought it was from my AST..I am pretty sure it is too cause theres green coolant up there...

this morning..there was a puddle of green coolant in a trail under my car...I couldnt jack up my car yet...but its coming from the bottom right under the front bumper..

what are the chances it being just a hose that broke and NOT the radiator?

 

could be the overflow tank...

-Sean

 

similar thing happened to my car, ended up being a rebuild. leaking coolant usually is a sign for the worse

 

check out the lower radiator hose. dont let HEns make you paranoid just yet. btw if you are still running the stock rad. this would be a good time to look into aftermarket ones.

 

mine leaked coolant not so long ago and it was infact a broken hose...... so doen't think the worst quite yet, hope it works out
-kevin

 

hahah, yeah, sorry for being a pessimist, but with our cars you cant help but be overly cautious.
anyway post ur results, id love to see how it works out for you

 

haha a true 7 owner is always paranoid

 

I'll share my experiences. Well actually at some point or another every hose of mine broke.

When my upper radiator hose broke it was pretty obvious, after driving the car for a few miles the presusre would cause it to spray like a fountain, and the smell under the hood was pretty obvious.

My overflow tank had a crack in it. This one is easy to diagnose. Fill up you coolant. Drive your car for 20 minutes. Park your car. If after about 10 minutes it starts dripping like nuts under your car, its your tank. the hot water causes a hairline crack to expand. This is why you can add water to it when its cold and it doesn't leak.

My ast broke right at the nipple. When this happen my water temps almost went into the red but I caught it in time.

Last but not least, behind the manifold is a water hose. When mine cracked it leaked under the car, down the chassis and spilled underneat h the plastic radiator undercarrage protector. Its hard to spot that leak, you need to take a flashlight and look behind the manifold.

good luck!

 

thanks guys...I will do a preliminary check in about 30 minutes..

 

I went to pour water into my plastic overflow tank(where it says COOLANT ONLY) and as soon as it FILLED UP... EVERYTHING came GUSHING out.... so I am thinkin its my tank..so I will go to pick and pull tomorrow or a mazda junk yard....

I dont think if it was my lower hose...ALL the water will not come out like that..

CORRECT?

 

Listen...

If you over fill the tank it will overflow like that. You need to drive the car around and see if it stops. The tank has a hole in it where you cant see it so if you fill it too high it will pour out.

 

DOH!!!!!!

Thanks...I will drive around later....
will post again..

 

when car is jack look under where the alternator lies and see if you can find two trail of dried leak. If it is that then it could just be your water pump housing gasket.

 

pay a few bucks and get the cooling system pressure checked if you are loosing coolant and cant see it. it will be well spent

 

I second this. It typically happens after someone takes off the alternator bracket. Mine's done it as well.