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Transmission fluid leak from Front Seal of '99 Lexus RX300


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bacpham1234
New User

Sep 10, 2013, 4:08 PM

Post #1 of 5 (1705 views)
Transmission fluid leak from Front Seal of '99 Lexus RX300 Sign In

1999
Lexus
RX300 4WD
3.0
160,000 miles

I took out the engine of the car to rebuild it. When i separated the transmission from the engine, the torque converter came loose so i pushed it back into place. When i finished rebuilding the engine, I put them back together. When i tried to run the vehicle, Transmission fluid leaked from the Front Seal. I have already tried to replace the front seal, but it leaks even more now. Any help would be appreciated. Thanks!


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Sep 10, 2013, 5:24 PM

Post #2 of 5 (1685 views)
Re: Transmission fluid leak from Front Seal of '99 Lexus RX300 Sign In

Did the torque converter fall out and hit the ground?





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bacpham1234
New User

Sep 10, 2013, 5:38 PM

Post #3 of 5 (1680 views)
Re: Transmission fluid leak from Front Seal of '99 Lexus RX300 Sign In

no it torque converter stir in hausine transmission .


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Sep 10, 2013, 5:46 PM

Post #4 of 5 (1675 views)
Re: Transmission fluid leak from Front Seal of '99 Lexus RX300 Sign In

Inspect the torque converter hub/pump drive for cracks, grooves, or scoring. It is possible the front pump bushing is worn out and it may have gotten cocked when the converter slipped out. When ever you go to replace a torque converter seal for leaking it is always a good idea to inspect the pump bushing because most of the time they don't leak from a bad seal, but from a bad bushing or problem with the converter hub.

Another thing to be careful of on those is to make sure you use the exact same torque converter bolts. If they had washers, make sure they are on there also. I've seen the wrong bolts used that are too long and end up damaging the converter by pushing through the cover and into the TCC clutch.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


bacpham1234
New User

Sep 11, 2013, 3:50 AM

Post #5 of 5 (1659 views)
Re: Transmission fluid leak from Front Seal of '99 Lexus RX300 Sign In

i m think the pump bushing i m will inspect the pump bushing thank you hell see you nextpost reply






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