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I have a fluid leak greenish in color in what i believe is the transfer case it seems to be part of the trans, & looks like it is coming from the gasket & bolts.This on a 2004 chevy tahoe

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Never seen a green transmission fluid or gear oil. However there is a lot of green antifreeze out there.
I would ask someone who is familiar with auto service to look at it, tell you what it is and where it is coming from. Then how much to fix it.

Posted on Mar 15, 2011

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Posted on Jan 02, 2017

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97 GMC Jim 4x4 oil leak not noticeable from top for sides of eng can't c where its coming from underneath either u told me it could b r c gasket where is that located on eng v6 no knocking from eng


is it an oil leak or other fluid --under engine you have the oil filter - power steering lines-transmission pan ,lines -transfer case -front c/v axles and center ham -coolant-brake fluid-and gas all these lines are at the back of the trucks engine you need to look at whats wet and where to pin point a fluid leak best is by color trans-power steering usually redish --oil, transfer,axle,blackish ---coolant green or red --brake, tan

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Bellhousing leak


did you just have the fluid replaced in the transfer case?? if the answer is no, the you may have a leak from the series of seals that are internal. you will have to have the transfer case removed and have the CVT seal replaced and other seals inside of the transfer case. lengthy repair and costly also. the transfer case has to be removed to replace the CVT side seal and while you are in there replace seals inside of the transfer case also. that what its sounds like to me. transfer case seal leak or the inside CVT seal leak. however if its leaking right from the bellhousing, it also could be the torque converter seal. this is when proper diagnosis comes to play. if its d converter seal, than the trans has to come out. have this one checked by someone that knows what they are doing. could be transfer case seal leak and it could be converter leak.

Jul 12, 2013 | 2003 Nissan Murano

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What could be leaking under car tranmission


Hello, You really need to look under the Vehicle to see what is leaking. Best if you can put it inside with several newspapers under it. Then if it is a slow leak you will be able to look directly above the drip stain.
You have several things which could leak. There is a water draintube from the Air Conditioning ducts and it is normal and harmless for this tube to drain. Look at the color of what fluid is draining. Red usually means transmission fluid. There are cooling lines running from the Trans to the radiator. They can leak as well as the trans gasket.
If you have a 4wheel drive, the transfer case can also leak. Photos for the undercarriage are few and far between. Try a Web Browser search using your model vehicle and then the terms undercarriage photos. Avoid using diagrams as a term because you will get stick diagrams and no photos.
Some repairs are quite easy, but front seals require separation of the trans from the motor and some tailshaft housings require disassembly of the back of the trans to install rear seals. Depends on whether rear seal is accessible from the end or must be install with the casing removed. Rear seal requires removal of the driveshaft.
Sometimes you can get the photo you need from an individual using a Blog format. Look for Chevy or GMC blog sites, 4x4 sites and so on.

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Leaking ****** fluid, seems to be a hole in bottom, looks like factory hole, have I lost a plug?


Bottom of what & what kind of fluid? If it's greenish/yellowish like antifreeze - you may have lost the drain-plug at the bottom of your radiator. If it's oil - you've lost your oil pan drain-plug. If it looks like water - it may be condensation from your A/C & not actually a leak at all.

Aug 02, 2011 | Chevrolet Silverado 3500HD Cars & Trucks

1 Answer

The transmission fluid and filter were changed out now truck just whines and wont go into gear


There should be a dip stick near the rear of the engine compartment with a red handle on it for the transmission. You want to check the trans fluid with engine idling and the trasmission in park. If it's full of fluid and the vehicle won't move you are most likely looking at rebuilding the trans. To change the fluid you have to drop the pan off the tranmission and the filter is inside. The filter just pull out, the new filter will come with a new seal that presses into the the pump housing. DO NOT attempt to change that seal, leave the old one in place, unless it is damaged. Unless you you have the proper tools to replace that seal you will most likely damage the transmission housing trying to remove the old one. Also, if the transmission is low on fluid, where did it go? Is it leaking on the ground? You may want to check the transfer case oil if it's way overfull the seal between the transmission and transfer case is bad and the trany fluid is leaking into the transfer case. You may want to change the transfer case oil too, they both take Dexron III fluid. Good luck!

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2 Answers

Noise coming from the transfercase near the transmissionand leaking fluid between the both where they meet up


First I would check your fluid level. There are 2 plugs located on the rear of the transfer case. Remove the top one and verify fluid level. To repair the leak the transfer case will need to be removed and reinstalled with a new gasket.

Verify fluid level first, add if needed and verify that sound goes away. If sound fails to go away you will need to have the transfer case replaced or rebuilt. I think the fluid is Dextron III ATF. Double check with another source before adding fluid.

Jan 12, 2010 | 1999 GMC Suburban

1 Answer

Transmission fluid leaking back, 1988 Ford Bronco


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.

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Where can I find a diagram on how to replace a seal between the transmision and transfer case on my 2000 GMC Z71? It's leaking trans fluid.


ther are no diagrams. It's not to bad to do. You need to remove the speed sensor(there are 3 of then) Disconnect the encoder motor, the drive shafts, the transmission support and it's 6 15mm nuts and pull the t-case back and twist clockwise and it comes out. You have to support the transmission on a jack to lift it for more clearence

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Check the trans fluid for quantity and color. If it is not a good red color, try having it changed and get the filter cleaned. If that looks okay, you may have a bad shift solenoid. Look for leaks around the trans case. Leaks on top around the solenoid are a sign that it is going bad.

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