How hard is it to change the front main seal on the transmission on a 93 Ford exploerer 4x4 and is it worth the trouble? Should I just buy a new transmission? Also the rear main seal of the motor is leaking..
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Re: Front Main Seal is blown on the Transmission
You have to remove the transmission, remove the torque converter to access the seal. Most likely the bushing behind the seal is worn out allowing fluid to leak past the seal. After the trans. is out, take it to a trans. shop. It requires a special tool to change the bushing. Seems like a bunch of work for $10.00 in parts. The rear main seal requires pulling the pan to access it. When the trans. is out, this is the time to replace the rear main seal on the engine.
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If its dark color it is likely rear main seal on engine. If it is red color it is front seal on transmission. check fluid levels, overfilling engine oil or transmission fluid can cause this also. both require major removal of tyranny etc. If you never done this get qualified help. .
dougnuts are never a good thing. the front seal on transmission could be leaking,if so the fluid will be red.it will drip down between the engine and transmission. if so, the transmission will need to come out fo r a replacement of front transmission seal. if it's clear fluid,it may be a bad steering rack. if it's black oil, it could be a bad rear main engine seal. if bad rear main seal,that transmission will need to come out for replacement of rear main engine seal.a abd rear main engine seal will also leak down between the engine and transmission and be black oil. check for color of the fluid leaking to give you a starting point to diagnose what to look for. thank you for choosing fixya.com
It could be the rear main seal on the transmission where it mates to the motor. The motor may be burning off the leaking fluid before you can spot the leak. It could also be leaking out of the shaft seal as well, but you should be able to see tranny fluid all over the underside of the back of your car. You should be able to see it if its leaking from the rear main too, but like I said the motor could be burning it off before you spot it.
How much tranny fluid per week are we talking about? The rear main seal would require you to pull the tranny and then you pop the seal in, not too hard of a job unless you have a transfer case. Doing it in your driveway is not feasable tho because a tranny weighs a lot and I do not think you want to balance it on your chest in your driveway.
That is going to be a front main seal on the transmission if you're sure it's transmission fluid or a rear main seal of the engine if it's engine oil. I put that in here just in case you weren't positive it's transmission fluid. Either way the transmission will have to come out to replace either of those seals.
it is hard to make a mistake when looking at a front seal leak so your diagnosis is probably correct. As for the repair it is pretty labor intensive as the transmission needs to be completely disconnected from the engine and at the very least slid back 8 inches or so (its easier to change the seal with trans completely removed) to acess the front seal to change it