Rear diff pinion seal leaking again

[SIRIUS198]

I found that my rear diff pinion seal was leaking about 2 months ago. I had it replaced by my mechanic and all was well. Then my truck died and I ended up dropping the gas tank to replace the fuel pump. While I was under the truck I noticed the seal seemed to be leaking again. Originally then we replaced the seal it looked like it was blown out. It was torn completely apart. We found the vent tube was plugged from undercoating and got it all cleaned out.

It there any other way for the fluid to get out of the diff at that point, getting past the seal somehow, or I am just looking to replace the seal again after maybe 8000 km?

 

[Trolling]

Did your mechanic use a genuine/oem ford seal?

I replaced mine with one i bought off the car parts store (autozone) and it still leaked after. I went ahead and bought a genuine ford seal and it has been leak free for more than a year and counting.

 

[SIRIUS198]

yes we did, he insisted I use a ford seal and I purchased it myself from the local dealer.

 

[ericautopart]

It's not a Ford seal anyway, they are all distributed by the same companies and MOST are the same. You may have housing damage which is causing the seal to leak. If everything is being done right, you may want to look into a new housing.

 

[SIRIUS198]

It's not a Ford seal anyway, they are all distributed by the same companies and MOST are the same. You may have housing damage which is causing the seal to leak. If everything is being done right, you may want to look into a new housing.

you talking about a new rear end housing? i also noticed that the right rear axle seal is leaking also.