jeep xj front pump seal leaking agin
09-20-2014, 02:36 PM
#1
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I got a 2000 xj an the transmission front seal was leaking badly so i replaced the seal an within a week later it started leaking agin. What do i do to fix it so it wont leak agin?
Last edited by wolfesgreenxj; 09-20-2014 at 03:14 PM.
09-20-2014, 05:08 PM
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Year: 1994
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Engine: 4.0
It happens to me too. I replaced the pump housing seal the second time I dropped it and the third time I dropped it I put in a diff tranny and it fixed it lol
09-20-2014, 09:40 PM
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If the seal is going that quickly, you either have an issue with the torque converter or the input shaft bearing on the transmission.
If the torque converter has a crack, bur or excessive wear where the seal contacts then it will leak. The notch the connects to the pump can get cracked and sharp that will slice the seal on insertion.
If the input shaft bearings are failing the torque converter will move around causing the seal to leak.
The other thing to look at is the flex plate is it allowing the torque converter to move around due to cracks or the bolts not properly tight
If the torque converter has a crack, bur or excessive wear where the seal contacts then it will leak. The notch the connects to the pump can get cracked and sharp that will slice the seal on insertion.
If the input shaft bearings are failing the torque converter will move around causing the seal to leak.
The other thing to look at is the flex plate is it allowing the torque converter to move around due to cracks or the bolts not properly tight
09-20-2014, 09:51 PM
#6
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It didnt leak a drop after i fixed it till after a hard day or wheeling. Torque converter an flex plate are fine. Someone said something about a bushing in the pump.
09-20-2014, 10:18 PM
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From what I read there are only two seals the pump seal which is the pump to transmission seal and the pump housing seal which looks like a large o ring. It's a seal between the pump and transmission body
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09-20-2014, 11:35 PM
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The bushing positions the input shaft. If there is not an obvious deep groove on the torque converter seal lip I'll bet the pump housing and/or case is cracked. Wheeling it causes it to open up and leak
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