Question about 2003 Buick LeSabre

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Transmission problems coolant line leaks at radiator

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Posted on Jan 02, 2017

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SOURCE: new radiator and the transmission

Check the end of the line for cracks and make sure you have a clamp on that connection.

Posted on Mar 25, 2011

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2006 jeep grand Cherokee limited if the radiator overflow jug is empty will it cause the transmission temp light to come on


I would say it is possible an overheated engine which is not coolling the transmission can trigger a lot of lights. Many transmissons are heated and coolled by a line which goes to the radiator of the engine cooling system.

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I am a mechanic and there is no reason for any coolant to be coming from tranny unless there is a bad freeze plug or the block is possibly cracked. i would look else where dont buy something you have to start putting more money into before you can drive it. there so many cars out there. good for you,for checking before you bought.

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Transmission fluid & radiator fluid keeps getting low. know approx. where leak is, drivers side front on inside of front tire. would a leak in radiator cause trans. fluid to leak also from radiator?...


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Bring your vehicle in for a cooling system pressure check. Another thing to keep in mind when inspecting leaks is that where you see the leak may not necessarily be where the leak is from. While the leak will drip down, the wind from when you're driving will splatter the leak all over the under-carriage of your vehicle making it look like leaks are happening where they in fact, are not.

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New tranny in my 92 ssei now it has tranny fluid in the rad ???????


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I have a 2004 Cherokee and there is coolant in the transmission. Any idea how it got there?


No coolant is suppose to be in transmission. How it got there is easy, you radiator has transmission lines running through the bottom of it. Your radiator has an internal leak into those trans lines. You'll probably find oily substance in coolant also.

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Radiator fluid leaking, not from radiator or hoses going into engine block. Comes out from above transmission pan.


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Brownish fluid leaking from the small mannifold on the passenger side of the car in front of the radiator...is this transmission fluid?


Good chance it's the transmission fluid. The passenger side of the radiator is the transmission cooler side and the coolant is leaking from the transmission lines. There should be two lines, one on top which is the inlet and the bottom one which is the return line. Check to make sure there is no corrosion along the lines or that the line has not come loose at the radiator. Locate the leak and repair or replace the lines. Good luck and take care not to run low on transmission fluid, low fluid in the system will cause the transmission to burn out.

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Why is the transsmition oil and water are mix together


The Transmission oil passes through the radiator to keep it cool , If the pipes inside the radiator are damaged then water can enter into the trans lines causing the problem you are having.
Get the radiator checked and repaired/replaced...
Also get the Trans fluid changed as water can damage the trans internals.
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Check eng light


1 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 2 Inspect Hose (Bypass) Ruptured, cracked or leaking bypass hose. grey_line.gif 3 Inspect Hose (Heater) Ruptured, cracked or leaking heater hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Heater Core Heater core may be leaking antifreeze/coolant into the vehicle`s floor area. grey_line.gif 6 Inspect Heater Control Valve Leaking or defective heater control valve. grey_line.gif 7 Inspect Radiator Drain Plug Loose, damaged, or faulty radiator drain plug. grey_line.gif 8 Inspect Radiator Rusted, corroded, or damaged radiator may be leaking antifreeze/coolant grey_line.gif 9 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 10 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 11 Inspect Head Gasket - Performance Blown head gasket grey_line.gif 12 Inspect Hood Brace Leaking, worn, or damaged intake manifold gasket grey_line.gif 13 Inspect Freeze Plug Freeze plugs are cracked or leaking.

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