Replacement tranny pan?
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Laughing Gas
Joined: May 2002
Posts: 872
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From: Ohio
Replacement tranny pan?
When I had my truck up on the lift, I noticed that my transmission pan doesn’t look all that healthy. The 2010 truck has only 63k miles on it, but I think the pan is probably aluminum or something. Don’t get me wrong, it doesn’t seem in danger of leaks, but just has the look of blossoming/corrosion. When I change the fluid, I might just change out the pan as well. Has anyone else noticed this and what aftermarket pans have people used. I see where most people want a drain plug and/or a dipstick. I am not looking for increase capacity either. Recommendations?
Last edited by unibody62; Jul 2, 2018 at 05:49 PM. Reason: Typo in the title
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
I don't think I've ever heard of an aluminum oil pan failing because of corrosion, but I imagine stranger things have happened. The pan isn't exactly something that people see going down the road, though...so I wouldn't replace it unless it actually starts to leak. I bet the truck will be long in the junkyard before the metal corrodes though, those things normally last a LONG time.
If you've got money to burn and nothing else to use it on, there are aftermarket pans available. In my opinion there's No real point to it, though.
If you've got money to burn and nothing else to use it on, there are aftermarket pans available. In my opinion there's No real point to it, though.
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Laughing Gas
Joined: May 2002
Posts: 872
Likes: 36
From: Ohio
I don't think I've ever heard of an aluminum oil pan failing because of corrosion, but I imagine stranger things have happened. The pan isn't exactly something that people see going down the road, though...so I wouldn't replace it unless it actually starts to leak. I bet the truck will be long in the junkyard before the metal corrodes though, those things normally last a LONG time.
If you've got money to burn and nothing else to use it on, there are aftermarket pans available. In my opinion there's No real point to it, though.
If you've got money to burn and nothing else to use it on, there are aftermarket pans available. In my opinion there's No real point to it, though.
Fleet Mechanic
Joined: Jan 2009
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From: Fort Worth
What do you consider crazy expensive? An aftermarket pan will be $250-$400 for anything decent, though I wouldn't consider it an upgrade. The factory one holds the fluid in too. If you're worried about the finish, paint it.
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Laughing Gas
Joined: May 2002
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From: Ohio
Whaaatt? For an oil pan, really? It amazes me sometimes what they think things are worth. I’m going to get on the web and look, now that you’ve got my curiosity up.
Laughing Gas
Joined: Dec 2010
Posts: 1,200
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From: Timbuk3, MI
Tom ... there are aftermarket pans available ...
Now if the transmission was a 4R70W or 4R75W there's F8UZ-7A194-AA (though it has been discontinued and getting more difficult to find) ...
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Laughing Gas
Joined: May 2002
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From: Ohio
Thanks, I did find a couple of links to more like stock replacement pans, not priced too badly. I think you can add a drain if you want to, or can find a suitable place to add it. Not sure what exactly I will do, but I’ve got some time to think it over. Thanks everyone, for your input.
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Fleet Mechanic
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Laughing Gas
Joined: Dec 2010
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From: Timbuk3, MI
HINT / TIP: When / if you decide to drop the pan, to avoid the trans' fluid bath, remove all of the side and rear bolts, loosen the front bolts ~half-way, have a LARGE catch, drain pan underneath, and using (say) a rubber mallet tap the tran's pan. The rear will drop-down, dumping the fluid in the catch, drain pan you've placed underneath, however, you will avoid a bath..
New User
Joined: Jun 2018
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Here's the trick: I recently drained mine, and refilled. I used a suction - pump thing you suck oil with. It has a attachment for a hose, which I held on with a hose clamp. Stick hose in fill hole, start suction, remove hose from pump and drop into your catch pan you have there. Gravity will start sucking fluid out. I got out everything this way and then subsequent removal of pan bolts yielded no mess on the ground. No need to pull half the bolts out and wait for the Niagara Falls to stop dripping. I have done this twice now and refilled 11 quarts of fluid now in the trans. Use a long hose on a funnel, tied up next to engine to refill. You will not make any mess this way.
Or get your hair full- its your call........
Or get your hair full- its your call........
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
Here's the trick: I recently drained mine, and refilled. I used a suction - pump thing you suck oil with. It has a attachment for a hose, which I held on with a hose clamp. Stick hose in fill hole, start suction, remove hose from pump and drop into your catch pan you have there. Gravity will start sucking fluid out. I got out everything this way and then subsequent removal of pan bolts yielded no mess on the ground. No need to pull half the bolts out and wait for the Niagara Falls to stop dripping. I have done this twice now and refilled 11 quarts of fluid now in the trans. Use a long hose on a funnel, tied up next to engine to refill. You will not make any mess this way.
Or get your hair full- its your call........
Or get your hair full- its your call........
Lead Driver
Joined: Jun 2003
Posts: 8,298
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From: Damon (South East Texas)
Here's the trick: I recently drained mine, and refilled. I used a suction - pump thing you suck oil with. It has a attachment for a hose, which I held on with a hose clamp. Stick hose in fill hole, start suction, remove hose from pump and drop into your catch pan you have there. Gravity will start sucking fluid out. I got out everything this way and then subsequent removal of pan bolts yielded no mess on the ground. No need to pull half the bolts out and wait for the Niagara Falls to stop dripping. I have done this twice now and refilled 11 quarts of fluid now in the trans. Use a long hose on a funnel, tied up next to engine to refill. You will not make any mess this way.
Or get your hair full- its your call........
Or get your hair full- its your call........
Thread Starter
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Laughing Gas
Joined: May 2002
Posts: 872
Likes: 36
From: Ohio
Here's the trick: I recently drained mine, and refilled. I used a suction - pump thing you suck oil with. It has a attachment for a hose, which I held on with a hose clamp. Stick hose in fill hole, start suction, remove hose from pump and drop into your catch pan you have there. Gravity will start sucking fluid out. I got out everything this way and then subsequent removal of pan bolts yielded no mess on the ground. No need to pull half the bolts out and wait for the Niagara Falls to stop dripping. I have done this twice now and refilled 11 quarts of fluid now in the trans. Use a long hose on a funnel, tied up next to engine to refill. You will not make any mess this way.
Or get your hair full- its your call........
Or get your hair full- its your call........
New User
Joined: Jun 2018
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Perfect idea, and I do have a suction pump that my son got me. Does the 6R80 refill hold exactly 11 quarts, or do you have to refill it gingerly, kind of like the manual says? I think it calls for putting in a few quarts, then starting vehicle and running until it gets up to a certain temp, adding more oil, etc. Even so, it sounds much better than pulling the pan full of oil!
I refilled, 6 qts. Drove a few weeks, drained again but was only able to get out 3 qts. Refilled with 3 qts. Drove a few weeks, drained out exactly 2 qts because I bought 12 bottles and now have 3 left. Refilled exactly 2 qts. Now I have cycled 11 qts through the trans and I figure I got most of the old fluid diluted out pretty good. I think this trans probably never had any service done like this, its a 2014 with 158,000 so yeah.
My method works very cleanly, but be careful because I did make a mess once not paying attention. If you do not remove the pan you will NOT lose a drop. I guarantee it.
EDIT- I think it holds about 6 qts. I did check the tiny little dipstick before and after.
Last edited by downtowner99; Jul 6, 2018 at 03:17 PM. Reason: Need to clarify
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