Question about 1999 Volvo S80

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Replace transmission due to coolant leaking into transmission

Dealer says coolant is leaking into the transmission fluid and both must be replaced and flushed

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Get second opinion if you don't trust them 100%. It can occur, through rad which cools both, but for future I would ask about bypassing rad & adding an external cooler large enough to cool transmission properly, then no more problems with mixing again later.
Yes both should be flushed, transmission filter changed & re-filled if this has actually been confirmed. Luckily/hopefully no transmission damage has occurred, and was caught in time.

Posted on Jul 25, 2009

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Ya it happens sometyms...but i just want u to elaborate u r prb in detail...so that i can help u!!!!

Posted on Jul 25, 2009

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1 Answer

When bleeding the radiator i found coolant leaked into power steering reservoir how would this happen


When bleeding the radiator i found coolant leaked into power steering reservoir how would this happen? =============================================
1. Not enough information and you have not identified the vehicle either.


2. Coolant cannot leak to the PS system. They are entirely separate systems and unconnected.

3. If you have an auto transmission then in some models there is a section of the radiator used for cooling the auto transmission hydraulic fluid . IF there is a breach in the radiator between the 2 sections then coolant can flow into the auto trans fluid and vice versa. If you find there is pink hydraulic fluid in the coolant when draining the radiator then it will be auto transmission fluid.

In that event you will need to replace the radiator and to have the auto trans serviced now or the transmission will fail if the hydraulic fluid has been contaminated.

May 02, 2016 | Cars & Trucks

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Explorer 2000 transmission fluid leak


have the seal at the bottom of the cable replaced

Dec 16, 2014 | 2000 Ford Explorer

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Pink Milkshake looking fluid in transmissiion


your transmission fluid lines run thru the radiator's transmission cooling cell. When the radiator springs an internal leak, it contaminates the trans fluid with coolant/water mix, giving it the milky pink appearance. Replace radiator and flush transmission.

Nov 12, 2013 | 1998 Dodge Caravan

1 Answer

Transmission fluid is leaking how do i fix it


Hi Sandra:
Normally if oil or transmission fluid mixes with coolant it will turn milky looking like a milkshake. Your leak must be pretty fresh. from your description that it is coming out of the coolant overflow I am thinking you have a radiator transmission cooler leaking into the cooling system.

You will need a new radiator and possibly all the coolant hoses if they have become soft from the transmission fluid.

In most cases if your getting transmission fluid in the radiator it is cause by a bad transmission cooler that is built into the radiator and the fix is to replace the radiator.

The repair will change in price from where the leak is coming from. If the pan is leaking or the rear seal your looking at $100.00 or less. If the front seal is leaking then around $550.00. The most common leak is the pan gasket. Also if the transmission fluid and filter have not been replaced in the last 30,000 miles and the pan is leaking then I suggest doing this also why the pan is off .

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 27, 2012 | Cars & Trucks

1 Answer

Transmission fluid is leaking


Hi Sandra:
Normally if oil or transmission fluid mixes with coolant it will turn milky looking like a milkshake. Your leak must be pretty fresh. from your description that it is coming out of the coolant overflow I am thinking you have a radiator transmission cooler leaking into the cooling system.

You will need a new radiator and possibly all the coolant hoses if they have become soft from the transmission fluid.

In most cases if your getting transmission fluid in the radiator it is cause by a bad transmission cooler that is built into the radiator and the fix is to replace the radiator.

The repair will change in price from where the leak is coming from. If the pan is leaking or the rear seal your looking at $100.00 or less. If the front seal is leaking then around $550.00. The most common leak is the pan gasket. Also if the transmission fluid and filter have not been replaced in the last 30,000 miles and the pan is leaking then I suggest doing this also why the pan is off .

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 27, 2012 | Cars & Trucks

1 Answer

Transmission oil is leaking


Normally if oil or transmission fluid mixes with coolant it will turn milky looking like a milkshake. Your leak must be pretty fresh. from your description that it is coming out of the coolant overflow I am thinking you have a radiator transmission cooler leaking into the cooling system.

You will need a new radiator and possibly all the coolant hoses if they have become soft from the transmission fluid.

In most cases if your getting transmission fluid in the radiator it is cause by a bad transmission cooler that is built into the radiator and the fix is to replace the radiator.

The repair will change in price from where the leak is coming from. If the pan is leaking or the rear seal your looking at $100.00 or less. If the front seal is leaking then around $550.00. The most common leak is the pan gasket. Also if the transmission fluid and filter have not been replaced in the last 30,000 miles and the pan is leaking then I suggest doing this also why the pan is off .

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 27, 2012 | Saturn Cars & Trucks

1 Answer

Have a 2005 Pathfinder with about 120,000 miles. My son is primary driver and he noticed transmission problems and service engine light came on. Took to dealer and they said they found fluid and metal...


sounds like trans cooler in radiator has breached leaking coolant into trans and trans into coolant.i know for sure that nissan extended the warranty on radiator for this problem.i am not sure the mileage and time limits.but if you fall within those limits they should also warrant the trans as this would be the source of failure(collateral damage).good luck and remember the squeaky wheel gets the grease!1-800-nissan1.ecm relay would not be a contributing factor.

Feb 16, 2011 | 2006 Nissan Pathfinder

2 Answers

My 2001 Ford Expedition has over 150,000 miles. the truck gradually starting slowing down and would not go over 65 MPH one day. Eventually, it stopped at 20 MPH, we took it to a garage they replaced the...


The radiator that was put in has transmission and I believe oil cooling lines running thru it. If the mechanic did not put new orings in it they will leak.Sounds like to me you need to first see if the lines at the radiator were leaking, if they were then take it back to the garage and tell them they owe you a new transmission. People shouldn't be penalized for the mistake of thier mechanics.
Randy

Nov 10, 2010 | Ford Expedition Cars & Trucks

1 Answer

Transmission fluid level need regular top up and there is no external leak.Fluid color looks white.


If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

9d86426.jpg

The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

138b4e6.jpg
(In the picture above the transmission oil pan was removed for oil filter replacement).

Oct 29, 2010 | 2005 Audi A4

1 Answer

My coolant is filling up with transmition fluid why?


Transmission fluid is sometimes cooled by way of a seperate internal tank within your radiator, the fluid is passed through hoses and steel or aluminum tubes from the transmission to the radiator, as the fluid flows thru the internal tank within the radiator it transfers heat from the fluid into the coolant within the radiator which then exchanges the heat from the coolant thru the radiator fins and into the ambiant air around the radiator.
That being said, if the internal transmission fluid tank or the connections at or within the radiator develop some sort of leak, the two fluids(coolant and transmission fluid) will mix and will show up where it shouldn't be! You may have an internal leak within the radiator, which means the radiator needs to be replaced.
Good Luck!

Aug 02, 2010 | 1996 Dodge Caravan

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