Antifreeze and Engine Coolant
Transmission Fluid
Ford Aerostar
Ford Aerostar XLT

Is engine coolant circulated through the transmission on a Aerostar 30L van?

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2015-07-16 18:25:17
2015-07-16 18:25:17

There is a very strong possibility you have a blown headgasket and you have antifreeze intruding into your oil The reason you are seeing water in your oil is because water pressure will normally be greater than the oil pressure and water (antifreeze) will intrude and contaminate the oil

No, it is not supposed to do that. However, like most auto trannies, it does send fluid to the oil cooler in the left-side tank of the radiator, then back again. That explains the two metal pipes attached there. If the radiator goes really, really bad (i.e. the oil cooler corrodes out) you could get mixing, which would be a very bad thing. If this has happened, be sure to have a radiator shop check for electrolysis, and have a transmission shop drain, service and check out the tranny FAST.

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a fluid that is circulated through a machineor other object in order to absorb thermal energy from it and thus control its temperature

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Coolant is getting into the ATF possibly through a hole in the oil cooler

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We need to know what the coolant won't run through.

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I would say its a bad radiator are you sure its tranny fluid and not motor oil, in which case you could have a blown head gasket? **correct answer** there should be a transmission cooler that allows transmission fluid to flow through your rad at some point, these lines, when they break, will let transmission fluid into your rad, it also lets coolant into the transmission, which can destroy your transmission.

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Either slowly through top of radiator or through coolant recovery tank

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Automatic Transmission, Others Initial Fill..........3.0 quarts [2]Automatic Transmission, Total Fill2wd ..........9.8 quarts4wd ..........10.0 quartsManual Transmission, ..........5.5 pints[2]. With ENG at operating temperature, shift through all gears.Check fluid level in PARK and add fluid as needed.Hope This Helps.

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Check the radiator coolant level! When it is low, and RPMs decrease at low speeds or idle, the coolant isn't being circulated through the entire cooling system, such as the heater core! Be sure the engine is cool before opening the radiator cap and adding coolant! NEVER add coolant to a hot engine because it will crack the block or cause the head gasket to blow!

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80-90 Degrees C Depends on the type of alloy or casting the Head is made of. Hope this helps Most automotive thermostats are set to open at 185 degrees F., which means that the temperature of the coolant will have to reach that value before coolant is circulated through the radiator.

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I wondered the same thing. The radiator doesn't only cool the engine coolant, It also cools the transmission fluid that comes from your transmission through the cooling lines. So your radiator has a crack somewhere and that would explain the transmission fluid leaking out. Hope that answers it. William @ JeepGrandCherokeeTransmission.com

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No. Coolant only runs through your radiator into the engine and back again. Your condencer is part of your A/C system.


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