Question about 2000 Chrysler 300M

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I have a 2000 300M that has a transmission return cooler line leak (??) and I need to know a quick fix to get it back home 1200 miles

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  • Chrysler Master
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Depending on where the leak is, you may be able to cut the bad piece out and use rubber hose or a brake line to reconnect it. If you use rubber hose you may need to flare the lines to keep the hose from slipping off. If it is one of the ends where the line connects to the radiator or the transmission you may have to get a new line and fitting from the dealer.

Posted on Jan 04, 2013

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  • Chrysler Master
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What location is cooler line leaking.you can buy metal line at any auto parts stores fix new line.

Posted on Jan 04, 2013

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Posted on Jan 02, 2017

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SOURCE: transmission leak by cooler lines

Aaron- did I answer this for you? It feels wildly familiar. If not, please relply and I'll walk through it again.

Posted on Dec 01, 2011

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Transmission fluid leaking for front bumper 2002 jeep grand cherokee


most likely it is leaking where it connect to the Trans cooler behind the front grill. If the trans lines use clamps you will most likely just need to tighten them up. If it uses quick disconnect fittings you will need to buy a set of quick disconnect tools about 10$ at auto parts store pull the leaking line off and replace the seal inside the line. Good Luck I hope that helps.

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Is it posible for the transmission atf to leak inside the radiator. because i dettect water inside the transmission and oil in the radiatorssion smission


Yes.
most cars have a transmission cooler that runs through the radiator. Most often the coolant goes from the cooling system to the transmission and then quickly ruins the transmission..
you should get this fixed asap, hopefully you can avoid a transmission failure. A quick remedy would be to un hook the transmission cooling lines from the radiator then cap the ends on the radiator and then mount a separate transmission cooler.
The big problem is that you will need to flush that transmission as soon as you can. Get the trans oil changed pronto!

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I have a leaking hose on 1989 chrysler new yorker 3.0 v6, coming from the transmission one goes to the ac grill the other back around, does anyone know what those hoses are the lower radiator hose connects...


Those are the transmission fluid cooler lines-one is the pressure line, other is the return line-back into the transmission. Often the cooling reservoir is built into the radiator. Apparently yours has a separate cooler in front of the radiator. It would be that and not the a/c grill.
Automatic transmissions generate a lot of heat. Without a way to cool the transmission fluid, the fluid could get burned-it will look blackened, and is very bad for transmissions. Check your transmission fluid and add if necessary. Stop the leak-it may just be a loose fitting, or a broken line or hose.

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Transmission fluid


You are correct to be concerned. Look and see if the transmission has any vacuum lines. If it does, check the lines by disconnecting them and see if transmission fluid is inside the lines. If there is transmission fluid present, the engine is drawing the fluid out of the transmission and burning it in the combustion chambers.

Radiator overflow- Check color of antifreeze in overflow tank. The radiator can have 2 chambers. If the chambers breach, the fluids can mix. Since the overflow can vent the excess fluids, it can provide an outlet for the trans fluid.
Leaks, most common. There should be staining and presence of oily residue. Check for lower cooling coil assembly. Some Makers use a separate cooling unit similar to a steering cooler if a 2 chamber radiator is not equipped.
You may be able to simply go to a quick change oil shop and drive over their service bay. They could check for leaks.

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Does the 2004 Toyota Corolla auto transmission get it's lubrication from the oil cooler return line?


Never Flat Tow any transaxle

Have the front wheels on a dolly

I won't comment any more ,I once owned a trans shop

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1996 DODGE GRAND CARAVAN LEAKING TRANSMISSION FLUID


IF TRANSMISSION LEAKING WHILE RUNNING LEAKING AT TORQUE CONVERTER SHAFT SEAL OR TRANSMISSION COOLER LINES GOING INTO RADIATOR LEAKING.YOU WILL LOSE MORE FLUID AT COOLER LINE BECAUSE TRANSMISSION UNDER PRESSURE THE OIL PUMP PUMPING IT THROUGH THE RADIATOR YOU WILL LOSE ALL YOUR FLUID QUICKLY IF LEAK COMING FROM COOLER LINES GOING INTO RADIATOR.DONT DRIVE VAN UNTIL FIX BECAUSE FLUID LOST WILL BE TRANSMISSION LOST.

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91 ford aerostar. didnt know i had problem till it would continously slip... i was out on the road and had to find a hill and a dixie cup to get the fluid in. It worked great for 10 miles. then went...


Hum, obviously you have a fluid problem :) You figured that much out pretty quickly, I would stop driving it near immediately though or you will completely roast the transmission.

I would look for a broken transmission cooler line. They attach to the side of the transmission and are known to fail occasionally. If the puddle is at the very front of the van, I would check the tranny cooler itself, in MOST cases this is the radiator, and occasionally especially if this has the towing package, there will likely be a seperate cooler I would check for the leak at.

The easiest way I think I could tell you to do this, fill up the tranny start the van, DO NOT put it in gear and you will be able to visually see where the leak is coming from very quickly, but again do not let it run itself out of fluid, it will burn the transmission out very very quickly.

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Transmision line directly under lower radiater house is leaking.how to fix? 6.0 liter 2001 chevy 107000 miles


You've got one line going into the radiator and that line exits on the other side. If the leak is outside of the connection and you have enough room to add a few inches of hose to correct it, then just go to a parts store and buy a hose splicer, and 2 clamps to fix.

If the leak is too close to the radiator, buy yourself a small add on transmission cooler & extend the hoses to run to it to cure the problem.

Either way isn't that expensive. The cooler has basic instructions and is fairly easy to install in-line to correct the leak.

good luck

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It's probably a transmission cooling line that comes from the transmission and connects to the radiator, which cools the fluid, and returns it thru another line in the radiator. It could be loose, but It probably is rusted, based on the fact that it's 13 going on 14 years old, and probably needs to be replaced, as the leak will just get worse, and if the fluid gets too low, u can ruin your transmission. The steel cooling lines are available at any parts store, both the lines should be replaced if one is leaking. Parts for this are cheap, but labor to snake 5 or 6 feet of line ( x 2) from tranny to radiator takes a bit of time. countrycurt0

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