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Re: coolant is leaking out
It's a heater core line. It bolts to the back of the engine and goes into the firewall to the heater core. You have a leak in that hose. Could just be a loose clamp. Don't forget to vote on helpfullness.
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I would think maybe the water pump is leaking you will have to put it up on jack stands and wipe everything down under the car. Then if you start it for a minute or two shut it off you should be able to see where it's comming from.
transmission line is loose @ connection, or has a hole(leak) in the line, even a crack in housing. trans is a large pump, high pressure, if you have a leak, just start your car and look under it, you'll know real quik.
What you are describing sounds like what's called a freeze-plug. These are round plugs or inserts in the engine that are designed to pop out if the coolant should freeze to avoid cracking the block. the orange goo is rust mixed with coolant. This indicates that the freeze plug is leaking coolant and should be replaced (not a major job).
Check the bottom side of the water pump for wetness, as well as the lower radiator hose. The water pump if leaking, will run the coolant down the front of the motor,and can appear to be coming from the top of the oil pan. It is nearly impossible for the top of the oil pan to leak coolant.
I believe u are referring to the tranny pan. And if u are loosing that much fluid I would start looking around the block for any sings of a blown head gasket. If u live in colder climate it could also be a freeze plug that is bad. In Minnesota I see this all the time. People think they can do there own coolant flush and end up putting to much water in and freezing the block partially and when it thaws loose coolant from that plug. I would suspect a bad rear seal in the motor or a bad oil pan gasket be the cause of the oil. But without seeing the vehicle and the leaks I cannot say for certain but those are the things I would think it to be. Now no offense to you at all, but I think I would take it in to a shop to find the problem, or a food friend that knows about cars, like what a tranny pan is. And like I said no offense to you. But to me this sounds like it could be a big deal of work not for the novice.
First you need to identify what's leaking? What color is fluid? Green, Red, Brown? and where under car is fluid leaking from center, front rt, etc... Another option is check ALL fluid levels - coolant, oil, power steering, transmission.
On an automatic tranny, the tranny oil pan is removed to drain the tranny fluid - a somewhat messy job. Typically when this done the tranny filler is replaced. A new pan gasket is installed in this procedure.
On the manual tranny, there is a drain plug at the bottom side of the tranny to drain the oil.
I have used a home made setup using a suction pump with small diameter tubing to **** the fluid out from the tranny filler tube. This is when I was replacing the filter and I dropped the pan. I did the suction routine to avoid all that fluid dripping out when you loosen the pan.
Have you located the leak? Is it from the tranny oil pan or maybe from a tranny cooler line?
THIS IS STRANGE, BECAUSE THE NEXT PAN BEHIND THE OIL PAN IS THE TRANSMISSION PAN. UNLESS MECURY HAS DEVELOPED SOME STRANGE SYSTEM THERE SHOULD BE NO WATER OR COOLANT ANYWHERE IN THAT LOCATION? IF THE PLASTIC PLUG IS LEAKING IT CAN BE FIXED BY REMOVING IT AND WRAPPING THE THREAD WITH TEFLON TAPE AND RE-INSERTING IT AND TIGHTEN IT. IT THE PAN ITSELF IS LEAKING, THERE ARE ONLY TWO THINGS HERE. ONE, YOU CAN RE-TIGHTEN THE BOLTS TO SEE IF THEY ARE LOOSE AND SEE IT THIS STOPS THE LEAKING. OR, IF THE LEAKING DOESN'T STOP, YOU NEED TO REPLACE THE PAN GASKET WITH A NEW ONE AND REFILL THE TRANSMISSION WITH NEW OIL. YOU MIGHT AS WELL CHANGE THE FILTER WHEN YOU HAVE THE PAN OFF, BECAUSE IT IS PROBABLY OVERDUE. I THINK YOU WILL FIND THIS LEAK IS A STICKY RED FLUID CALLED ATF OR AUTOMATIC TRANS. FLUID. THAT WILL NEED TO BE REPLACED. NEW FILTER, NEW GASKET RETORQUE THE BOLTS, IMPORTANT, DON'T WANT THAT THING FALLING OFF, NEW FLUID, YOUR BABY SHOULD PURR AND NOT WIZ ON THE FLOOR ANYMORE. NOT SURE HOW TO DO ALL THIS? BEAT FEET TO THE NEAREST PARTS STORE AND BUY OR ORDER THE CHILTON OR HAYNES MANUAL FOR 93GRAND MARQUIS AND YOU WILL HAVE PICTURES AND STORIES YOU WON'T BELIEVE! CAN'T GO WRONG! GOOD LUCK!