I just found out that my rear seal is leaking on my transmission.. Took me about 5 minutes to find out. Anyways, how hard is it to go about replacing it?

 

Change the bushing too. I usually take the extension housing off, drill a hole in it, insert the new bushing and drill a small hole in it. Then put a 1/8npt-3/16 inverted flare 90degree fitting in them and run a 3/16 line to another identical fitting on the line pressure port. This allows lube oil to the bushing and prevents such faliures.
Alan

 

Is it Auto or manual? If it's manual, it's not too difficult to do, if it's like transmissions I've done before, it's basically drain oil, remove drive shaft, pull seal, which is right at the back where the driveshaft slips in, carefully drive new seal in. Not sure of the bushing stuff, it'd be worth having a look at a service book like a Hayes or whatever just to check the procedure. If it's an auto, it may be more complicated, if nothing else than there are procedures you need to follow regarding drain and fill.

You'll need some sort of puller, you might be able to use a gear puller if you can set the arms to go outwards to hook round the seal, and you'll need a piece of steel or thick aluminum (maybe even wood) to go across the back of the housing for the centre pin of the puller to push on.

Last time I did w rear gearbox seal was a '65 Morris Oxford in around 1978, I cut the old seal with a cold chisel but that's not what I'd say was recommended practice. I also replaced the rearmost bearing while I was there, which in that case was right behind the seal.

 

thanks for the help.. ima go try it tommorow its icing up and temp is droping right now in houston.. it was 45 around 10.. its 33 and its almost 1.. its supposed to get in 20's (VERY RARE FOR HOUSTON)... wow i guess its ganna have to wait a day or 2...