A413 output axle seal not sealing! - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!
Transmission, Suspension, Brakes, Tires & Wheels This Dodge forum includes modification, tuning, repair, replacement, identification and restoration of manual and automatic transaxles, shifters, torque converters, flexplates, flywheels, ring gears, axles, and differentials including open, friction, and Q. This forum also includes modification, repair, replacement, identification and restoration of the above parts and how to tune them for better traction and handling. Also includes wheel bearings and hubs, wheel studs and nuts, wheel spacers, and other related items. Sponsored by Discount Tire

 
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post #1 of 9 Old 10-26-2008, 11:26 AM Thread Starter
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Red face A413 output axle seal not sealing!

What I have here is a problem with the drivers side output axle seal not sealing,I have tried replacing this seal three times already & is still leaking bad! about a quart of trans fluid a week! I thought I might have bad mounts so I replaced them also,but it is still leaking.I changed the seal the first because it started leaking & still no fix for the problem I'm going out of mind,I don't want to mess the trans up! HELP please!!
thanks for any help!! mike.
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post #2 of 9 Old 10-26-2008, 01:16 PM
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Re: A413 output axle seal not sealing!

The differential carrier bearings are probably shot, assuming there is nothing wrong with the CV axle. And you are sure it is not leaking around the outside of the seal? How is the vent tube on the transmission itself?

Also, some seals have a "direction of rotation" indicated on them. The last pair of seals I bought for a 413 trans had no such markings, but some do.

Also, it has happened to me more than once--the spring inside the seal comes off as I pound the seal in. Do not ask me how but it happened to me just last weekend when I pounded the seal into my friend's Ford Escort transmission.
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post #3 of 9 Old 10-26-2008, 04:35 PM Thread Starter
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Re: A413 output axle seal not sealing!

Quote:
Originally Posted by phantomrt View Post
The differential carrier bearings are probably shot, assuming there is nothing wrong with the CV axle. And you are sure it is not leaking around the outside of the seal? How is the vent tube on the transmission itself?

Also, some seals have a "direction of rotation" indicated on them. The last pair of seals I bought for a 413 trans had no such markings, but some do.

Also, it has happened to me more than once--the spring inside the seal comes off as I pound the seal in. Do not ask me how but it happened to me just last weekend when I pounded the seal into my friend's Ford Escort transmission.
I forgot to put the year & model. They are 1989 dodge daytona w/a413 w/2.5 turbo. cv axle seems to be in good condition everytime I have removed it. The fluid seems to be leaking at the seal where the shaft goes on along the bottom. I am not aware of any vent at all on this trans. no springs have been coming off & I haven't seen any direction markings on seals.
Does it matter on the brand of seal or not. (just wondering)
thanks for your input! mike
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post #4 of 9 Old 10-26-2008, 05:00 PM
 
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Re: A413 output axle seal not sealing!

you cant put these seals in backwards. what you should do is pull the whole seal housing (6 bolts) then you can check the bearin, and install a new seal easier. then use black RTV on the housing when you install. make sure it's super clean on the sealing surfaces. and put some vasiline on the seal so it's not dry. if you leave the seal dry, as soon as you move the car, you'll tear it. and it'll leak.
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post #5 of 9 Old 10-26-2008, 06:10 PM
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Re: A413 output axle seal not sealing!

It is not a matter of putting the seal in backwards--remember back when the 2.2L had a cam seal on both sides of the head? Those seals were different; the main differences being the oil slinger cast into the rubber. People had leaks at the cam and couldn't figure out why and gave up on the POS Chrysler.

I've seen grooves worn into CV axles where the seal has been riding it for a quarter million miles. Thats what Speedy Sleeves are for. I would't call it a common problem, but it does happen.

The transmission must have some kind of vent tube on it. It has to be on the top if it has one anywhere. When the transmission warms up, all that heat expansion has to go somewhere. They are manual transmissions, but the 523/543/568 has a vent tube built into the shift linkage that likes to clog, and that also results in leaky transaxles similar to your situation. Chrysler has a TSB on it to install another vent tube where the lock pin goes and it fixes the problem.

But a quart a week is a massive leak, which is why I would question what would cause the biggest leak--loose differential carrier bearings.
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post #6 of 9 Old 11-19-2008, 07:12 PM Thread Starter
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Re: A413 output axle seal not sealing!

I still have a big leak,just for giggles I put the car up on the flat rack at work & pushed up & down on the axle end that goes into the trans & there was play!! would this be the carrier bearings that you are talking about? Is there an easier way of changing the bearings without taking the trans completely out?? could I just lower that side just enough to clear the k-frame?? thanks again for any help!! mike.
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post #7 of 9 Old 11-19-2008, 09:47 PM
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Re: A413 output axle seal not sealing!

You can take the diff out while trans in the car, best way is to remove the K frame and undo the front motor mount to swing the motor to give you enough room to work
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post #8 of 9 Old 11-20-2008, 12:11 AM
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Re: A413 output axle seal not sealing!

You found the reason why it is leaking there. Time for new diff bearings. With a little help from the Lord, you won't have to set the bearing pre-load after R&Ring the bearing.
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post #9 of 9 Old 11-20-2008, 05:46 PM
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Re: A413 output axle seal not sealing!

If I read this corretly, the shaft is loose at the extension housing, not the diff bearing. In that case, the extension housing can easily be removed with the trans in the car.

Also, be aware that the seal for the axles and the seal for the pump have the same OD but a different ID. They are OFTEN confused and will cause leaks.
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