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Anonymous Posted on Jan 13, 2019

Transmission leaking fluid only when engine is running fluid coming out between the engine and trans

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  • Cars & Trucks Master 592 Answers
  • Posted on Jan 13, 2019
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Sounds like you’ve got a front pump seal(or main front seal) leaking- this is in the front of the transmission and requires removal to replace but a very simple process done in a few minutes once you have access to it.This isn’t hard but requires some ability and tools- ask around, friends and family are good sources for a trustworthy mechanic most times, online reviews are helpful too, or perhaps you can do it yourself. You can assess that and good luck, just do your research and you’ll be fine!

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  • Expert 37 Answers
  • Posted on Jan 13, 2019
Bill Lambrinos
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Change the rear seal found at the back of the motor. You will need to pull out the transmission to change it. Also make sure that the shaft on the torque convert isn’t damaged.

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  • Posted on Jan 13, 2019
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Sounds like its the main seal. leaking under pressure only. go to you favourite /best mechanic. without correct tools,forget it.you need to split trans and remove it.fix before you damage something worse. Parts not expensive, the labour will hurt back pocket though.
good luck

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  • Cars & Trucks Master 2,824 Answers
  • Posted on Jan 13, 2019
Dan Apthorp
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Check your seals. I feel they are leaking. Check the bolts that are holding everything together.

5 Related Answers

Anonymous

  • 6982 Answers
  • Posted on Feb 21, 2009

SOURCE: transmission fluid leak

Transmissions can leak anywhere there is a seal, fitting or gasket. Most common leaks are at the trans pan gasket and fittings.. However, to find a leak the only way is to get under there and look. A mid sized leak will clean off road debris and leave a track. Keep in mind that all leaks run down and that while driving this can be blown towards the rear of the vehicle. If you find a suspicious area, clean it off with a rag & some solvent and run vehicle...watch that area for seepage. Also check cooling lines to radiator. Fluid coming from inside bellhousing indicates a bad front seal (requires trans removal to repair) Fluid should be (for aw4 units) Mercon, or any quality synthetic that covers mercon application.

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scott

  • 532 Answers
  • Posted on May 20, 2009

SOURCE: transmission leak

the front shaft seal is bad on the transmission,pull out the transmission and replace the front seal which is about$8.00 for the seal

Anonymous

  • 88 Answers
  • Posted on May 24, 2009

SOURCE: 4l60e transmission leaking fluid

there is aseal around that tranny shop has to be done from inside tell fixya bouy me ok

Nicholas Csorba Jr.

  • 148 Answers
  • Posted on Jun 20, 2009

SOURCE: Trans-axle fluid leak

checking the transmission fluid involves lifting the vehicle and removing a plug on the transmission, it is quite difficult and messy if you don't have access to a lift, the vehicle has to be level and at operating temperature in park, there is a small plug on the side of the transmission near the passenger axle shaft. remove the plug slowly, i believe it is an 11mm bolt, if fluid drips out, the level is ok, if no fluid comes out, there is a small plastic screw on cap on top of the transmission itself on the driverside near the oil filter cap, add fluid slowly untill fluid starts to drip out of the plug hole, once the fluid starts to drip, insert the plug and tighten, don't overtighten, just snug it up.!!!make sure you use the right fluid, this is important!!! i believe your fluid is dextron 6, double check in your owners manual, the use of any other fluid will cause damage!!! also, do not remove the small plug on the front of the transmission, that is the pressure plug, all the fluid will shoot out with force if that plug is removed!!!

Craig Lovick

  • 247 Answers
  • Posted on Jan 07, 2010

SOURCE: '97 Ford Escort leaking auto transmission fluid.

The front seal could be replaced, and not have a problem. If you have a shop other than a transmission shop do the repairs, make sure the torque converter hub is inspected to make certain its not scratched/scorn. If the trans shifts properly and the fluid is not burned or smells burned, this would be an easy repair. If the trans fluid smells burned, and hasn't been serviced regularly, the rebuild would be the way to go. Also, ask what the warranty for any and all repair are on your vehicle. Normal warranty is 1yr, 12.000 miles in the automotive business.

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1996 Ford Ranger automatic transmission check the fluid over full removed month later over full again where is this fluid coming from and I'm not adding fluid to it and on long trips the over drive goes in...

How much "over full"?
(Realize that the fluid level will be slightly higher when the trans and fluid is hot, and lower after when the vehicle has not been running and cold).
If it is only 1/4" (~10mm) overfull, that could account for just normal fluid temperature expansion. Anything greater than that may indicate the following problem.

That said, if the fluid level is significantly higher than normal, there is only one place that can leak "fluid" into the transmission. That would be the rare case where there is a hole in the transmission cooling line which usually connects into the radiator for the engine coolant to cool the transmission fluid passing thru the trans cooling line.
If a hole/crack developed in the trans cooling line inside that location, antifreeze/coolant could leak into the trans line.

Is the trans fluid on the trans dipstick normal colored, or does it appear to be milky with water/coolant intrusion?
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Automatic Transmission Problems

  1. Check the transmission fluid level, if it's low, you have a leak & Look for fluids that have leaked on the ground below the transmission. Check the transmission case as well. Fluid can leak from seals, gaskets, fluid cooler and lines. Pinpoint the exact source of the leak to make proper repairs.
  2. Place a few drops of transmission fluid on a white paper towel. Red or light brown fluid that spreads easily over the towel is in good condition. Dark brown or black fluid that is gooey or thick fluid needs replacing to allow proper pressure and lubrication within the transmission.
  3. Replace the fluid filter to ensure it's in good working order. Check the old filter for metal shavings, which are a sign of wear and require a fluid flush.
  4. Look at your check engine light to verify it has not come on. If the check engine is on, take the car to a mechanic who can pull the code and pinpoint the problem. Electronic transmissions can detect even small faults in operation, and you may want to drive the car to verify that the problem was not a one-time or erroneous error.
  5. Seek the assistance of a professional if the car is no longer going into gear, slipping out of gear while driving or a substantial amount of fluid is leaking. Fixing a transmission problem on your car early can save you money and help keep you on the road for a long time to come.
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Transmission fluid keeps emptying while motor oil keeps rising

Your radiator needs to be replaced. Chances are you have transmission and oil cooler lines going through them and there are mixing inside the radiator.
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Transmission code PO732/open or short circuit condition

check transmission fluid level when hot,engine running in neutral.fluid should be reddish in color,should not smell burnt.
trans fluid & filter should be replaced at +/- 100k miles.
possibly transmission shift solenoid.
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Where do we check transmission fluid

jack up and suitably support the vehicle so you can fit under the engine. start the engine, reach down by the air cleaner tube down to the top of the transmission, and unscrew the plastic cap in the top of the trans. now with the engine running, get under the car with a drain pan, 11mm end wrench, and some rags. follow the transmission pan toward the passenger side of the car until you reach the end, straight up from the end edge of the pan is a small 11mm headed bolt remove that bolt carefully . if fluid comes out, its full, if not add dexron VI atf thru the hole in the top of the trans. until it runs out of the hole from where you removed the bolt. I know its a lengthy procedure, but these transmissions were designed to be changed at normal service intervals, if their is no transmission leak, then the fluid should be full is the idea I guess..
3helpful
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The coolant jug has a creamy tan color fluid in it

that means trans fluid or engine oil is getting into cooant system. Not good. Either a leaky trans cooler in the radiator or a blown head gasket. Hope it's the trans cooler
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Transmission Fluid Leak

Sounds like a bad seal .is it leaking where the transmition connects to the engine
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1998 pontiac transport 3.4 auto leaking trans fluid

It sounds like the Transmission line has a leak. Check the transmission line from the transmission to the radiator. You have two steel lines which runs to and from the transmission to the transmission cooler in the radiator. The line could be corroded and may need to be replaced, good luck and service the transmission too. The transmission on the transport are know to have problems when ran low on fluid or dirty transmission filter.
Good luck and hope this helps.
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Transmission fluid leak

Transmissions can leak anywhere there is a seal, fitting or gasket. Most common leaks are at the trans pan gasket and fittings.. However, to find a leak the only way is to get under there and look. A mid sized leak will clean off road debris and leave a track. Keep in mind that all leaks run down and that while driving this can be blown towards the rear of the vehicle. If you find a suspicious area, clean it off with a rag & some solvent and run vehicle...watch that area for seepage. Also check cooling lines to radiator. Fluid coming from inside bellhousing indicates a bad front seal (requires trans removal to repair) Fluid should be (for aw4 units) Mercon, or any quality synthetic that covers mercon application.
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Can't locate fluid eservoir to add trans fluid

Here how to do it: If you see no signs of leaking from the transmission then the level is probably not low, take it to a transmission shop, transmission repair on this car is not for the DYI.

Ensure that the transaxle case temperature is 70° to 90° F (21° to 32° C). With the engine running, shift transmission through all gears. With engine idling in PARK, remove the check plug from the transmission. If transmission has been overfilled, allow fluid to drain out. If no fluid drains out, add fluid through the TRANS FLUID fill cap under the hood on the driver side in 1 pint (0.5 liter) increments until it slightly flows from the check plug. Reinstall the check plug.

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