I have an oil leak from the output seals in the transmission. The dealer said that the seals are built into the transmission case and can't be replaced without changing the whole transmission.the cost is 3800.00 to do that as well as the clutch and throw out bearing?.Any sugestions anyone?Daveandbrooke@hughes.net
Had similar problem (Jetta 5 cylinder 2006) - leaks in the timing chain cover, large oil leak near the tranny (sounds like your problem), leak from "ALT belt side crank pulley seal and leak from oil pan. This car has only 23,000 kilometers about 14,000 miles on it!!! The dealer repaired this at no charge...
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Hello , You could have a leak at the transmission dip stick tube o-ring, the front pump gasket, the torque converter seal , the transmission output shaft seal or the transmission oil cooler lines. I suggest you put the car on a lift to make it easier to see where the leak is coming from.
This is called the rear main oil seal or the torque converter seal depending on what type of fluid is leaking out. To replace either seal you must remove the transmission from the car. You will need special tools and skills to properly install the seals or they will leak in very short order again. I suggest you have a trusted shop or the dealer do this repair.
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
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.
your output seal on the tranny or input seal on your transfer case is bad. you have to pull your transfer case to tell. this is a pretty straight forward job. block wheels. put transfer case in neutral. drop front and rear drive lines.diconnect transfer case shift linkage. there is a short commponent connecting the trans to the transfer case. the bolt on either end face each other. remove the bolts to the transmission. the transfer case is heavier than it looks, i suggest getting help. pull back on the transfer case until it will drop down. it will pull out a bit because of the trans output shaft. replace what will probibly turn out to be the tranny output shaft seal and reassemble in reverse order.
If somebody told you that you have a main seal leak what they meant was the round seal that is around the circumference of the output shaft of the crank. This same output shaft is basically hooked up to the transmission, or through to the transimission through a clutch. Well after some time, the round seal, it looks something like a flat donut, leaks. Imagine stretching a small spring around a shaft of steel and wrapping the spring in rubber. It will stop the oil from leaking along the shaft and out of the engine. After wear and tear, it needs to be replaced.
If this is the case, well, given that you have not said what type of vehicle you have, you would need to either pull the engine out or drop or pull out the transmission to get at the shaft and replace the $10 seal part. A lot of work for a small item but it will continue to leak until of course you run out of oil and ruin the motor.
The beaings job is to not only give the axle something to rotate on, but also the keep the axle centered in the hole. When the bearing gets loose, it allows the axle shaft to have an oblong roation, which wears on the seal and allows it to leak. You don't have to run the trans low on fluid to have the output bearings go bad. If you have gone enough miles to wear out a clutch, you have gone enough miles to get some play in the bearings.
90 percent of the time stop leak does not work. Usually the seal between the transmission and transfercase goes out and forces all the fluid into the transfercase and leaks out the rear seal. Or the tranfercase or transmission breather could be plugged.