Submerged Real Axle
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Junior User
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Submerged Real Axle
I submerged my rear axle and hubs pulling my boat out of the water. I have an 05 Expedition EB 4X4. Do I need to have the hubs repacked and the differential fluid replaced?
With my 98 Explorer (not 4X4), the owners manual said that if the rear axle and hubs are submerged to replace the differencial fluid.
With my 98 Explorer (not 4X4), the owners manual said that if the rear axle and hubs are submerged to replace the differencial fluid.
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Junior User
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Originally Posted by Monsta
How long was it submerged?
Sit. Stay.
Joined: Oct 2001
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From: Washington State
Originally Posted by lyonexplorer
5 minutes launching the boat and another 5 retrieving the boat. The owners manual for the 2005 Expedition says to replace the axle fluid if the axle is submerged.
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Junior User
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Originally Posted by Sanchez_315er
Take a small sample of the rear end fluid.. if it looks like oil, you're GTG... if it looks like brownie mix, then you definitely got water in there... I'm betting you're fine.
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Senior User
Joined: Sep 2004
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From: Dayton, OH
Crawl under the rear in the center and find the thing that looks like a pumpkin, the driveshaft runs into it.
There should be two plugs in it. Remove the lower one and let a little bit out. If its been sitting awhile any water should come out first.
Good luck on putting it back in. Also, it will probably be nice nasty smelly gear oil.
Clint
There should be two plugs in it. Remove the lower one and let a little bit out. If its been sitting awhile any water should come out first.
Good luck on putting it back in. Also, it will probably be nice nasty smelly gear oil.
Clint
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Laughing Gas
Joined: Jan 2003
Posts: 1,082
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From: Melbourne, FL
You don't want to have to do this everytime you launch your boat. As a precaution for the future, find the breather and put a longer hose on it that you can route up near the body. You may have to replace the breather with a fitting that you can strap a hose on. After that, 5 minutes in the water won't be enough time to get any by the seals, as long as they're good.
Elder User
Joined: Mar 2005
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From: Cornelius, Oregon
Aside from the vent that broncoholic mentioned, the only other way for water to get into your rearend is through the axle seals or the pinion seal as he also mentioned. Assuming that both are still in good shape, then dunking your axle for 5 minutes shouldn't pose a problem. My theory is that if you're not leaking gear oil out of them, water is going to have a hard time getting in. I've done plenty of fording of streams in my Jeep and never had a problem, as long as your seals are still in good shape you should be fine.
Edit: just thought I'd mention one other thing...
If you've been working the truck hard on the way to the boat launch and rear end gets hot, dunking it in cold water can cause a negative pressure inside the axle, especially if the vent is clogged. This can sometimes suck water in past the axle seals.
Edit: just thought I'd mention one other thing...
If you've been working the truck hard on the way to the boat launch and rear end gets hot, dunking it in cold water can cause a negative pressure inside the axle, especially if the vent is clogged. This can sometimes suck water in past the axle seals.
Last edited by pitrow; Jul 18, 2005 at 12:29 PM.
Fleet Owner
Joined: Mar 2003
Posts: 24,724
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From: Blue Hill Township
Think of it as driving through a huge puddle. I wouldn't worry about it. However, check the fluid, and even change it. Its not a big deal to change the rear diff fluid, and its pretty inexpensive.
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