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Old 11-15-2013, 12:14 PM   #1
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My garage isn't heated and it's a bit chilly here. However I have new diff covers and need to change diff fluid after the initial break in of my new gears. Am I looking for trouble if I attempt this in this weather. I'll drove around some to warm up the fluid and can use a hair dryer to warm up the old RTV in order to scrape it off. Anything else I'm not accounting for due to the cold weather?

EDIT: I'm trying out new lubelocker gaskets so don't have to worry about RTV cure times due to the cold.

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Old 11-15-2013, 02:23 PM   #2
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I don't see any issues with doing it in the cold.

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Old 11-15-2013, 02:26 PM   #3
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The only thing I can think of beeing a problem is when you slip off a bolt and bust your knuckles it is going to hurt that much worse.
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Old 11-15-2013, 02:29 PM   #4
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The only thing I can think of beeing a problem is when you slip off a bolt and bust your knuckles it is going to hurt that much worse.
True that!

I looked at the weather and we're getting a warm burst in Sunday so may wait and do it then. Just so freaking ready to get this mod done.

It's my first time doing this and I'm more nervous than I expected to be.
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Old 11-15-2013, 08:50 PM   #5
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You might not get as much fluid all over you, or out of the diff either if you do it cold. Up here it doesn't matter if you drive 40 miles, the stuff is still like hard mud.
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Old 11-15-2013, 09:57 PM   #6
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What gears ratio did you put in and did you do the install yourself? The weather wasn't too bad this afternoon, I worked up a pretty good sweat cutting wood and loading it on the truck outside Hot Springs.
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Old 11-16-2013, 12:51 AM   #7
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Nothing more to add. Just want to say good choice with the LubeLockers.
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Old 11-16-2013, 01:53 AM   #8
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Get em warm just so you aren't wrenching on cold steel...remove diff cover not bad on bolt tightness....use a drill with a brass wire wheel to spin off silicone and will
E with brake cleaner....good to go.....
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Old 11-16-2013, 03:08 AM   #9
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What gears ratio did you put in and did you do the install yourself? The weather wasn't too bad this afternoon, I worked up a pretty good sweat cutting wood and loading it on the truck outside Hot Springs.
Had 4:56 put in by a local offroad shop. I've done all my mods myself up to that point but knew that changing gears was a bit over my head.

But I figured i can manage a cover and fluid change.
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Old 11-16-2013, 03:09 AM   #10
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The only thing I can think of beeing a problem is when you slip off a bolt and bust your knuckles it is going to hurt that much worse.
Not if you wear gloves. It'll keep that stank a$$ grease off you too!
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Old 11-16-2013, 03:21 AM   #11
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Had 4:56 put in by a local offroad shop. I've done all my mods myself up to that point but knew that changing gears was a bit over my head.

But I figured i can manage a cover and fluid change.
Personally I'd have the local shop finish the deal. Gears are a huge investment. If they complete the gear oil change then no one but them touched it. Then once the next change is due, that's all you. Just my .02

The local shop I go to for the things I can't do includes a gear check after the 500 mile break-in, synthetic gear oil refill, and labor in the price of the gear change.
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Old 11-16-2013, 08:49 AM   #12
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Personally I'd have the local shop finish the deal. Gears are a huge investment. If they complete the gear oil change then no one but them touched it. Then once the next change is due, that's all you. Just my .02
X2

The other upside to this is, should you have some issues down the line...say, in one or two thousand miles, they can't come back to you and say "oh, you changed the diff covers. You must not have done something right - we can't fix your issue under any kind of warranty."

Think I'd let the pro's do this and then tackle it myself for future changes.
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Old 11-16-2013, 08:57 AM   #13
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Nonsense. Changing gear oil and putting on new differential covers is one of the easiest things you will do. It has nothing to do with the gears inside. Which cover did you choose? I put ARB's on mine.
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Old 11-16-2013, 11:56 AM   #14
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Originally Posted by Knuckles65

X2

The other upside to this is, should you have some issues down the line...say, in one or two thousand miles, they can't come back to you and say "oh, you changed the diff covers. You must not have done something right - we can't fix your issue under any kind of warranty."

Think I'd let the pro's do this and then tackle it myself for future changes.
Totally agree and was also something I was hinting at! CYA
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Old 11-16-2013, 12:04 PM   #15
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Nonsense. Changing gear oil and putting on new differential covers is one of the easiest things you will do. It has nothing to do with the gears inside. Which cover did you choose? I put ARB's on mine.
Completely depends on the trust the OP has in the shop and how much risk they want to assume

From my understanding, it's prudent to check the gears and fluid for anything unusual or telltale signs that the OP could miss, thus voiding the warranty.

It has nothing to do with the ease of the fluid change.

What diff covers did you get OP.

I chose TeraFlex because the techs were having leaking issues with multiple ARB covers (the ones I preferred). I like my Jeeps technician and respect his opinion and experience. Totally dig the drain plug and dipstick on the ARB though!
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Old 11-16-2013, 12:14 PM   #16
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Completely depends on the trust the OP has in the shop and how much risk they want to assume From my understanding, it's prudent to check the gears and fluid for anything unusual or telltale signs that the OP could miss, thus voiding the warranty. It has nothing to do with the ease of the fluid change. What diff covers did you get OP. I chose TeraFlex because the techs were having leaking issues with multiple ARB covers (the ones I preferred). I like my Jeeps technician and respect his opinion and experience. Totally dig the drain plug and dipstick on the ARB though!
I didn't intend to start such a debate. LMAO

I understand both sides of the discussion. Just decided to do it myself for the experience. If something comes back to bite me in the butt down the road, then I'll have no one to blame but myself.

I went with TF diff covers. Not for any particular reason other than I run a lot of TF components and I like their products.
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Old 11-16-2013, 12:24 PM   #17
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I didn't intend to start such a debate. LMAO

I understand both sides of the discussion. Just decided to do it myself for the experience. If something comes back to bite me in the butt down the road, then I'll have no one to blame but myself.

I went with TF diff covers. Not for any particular reason other than I run a lot of TF components and I like their products.
You have some input and made a call. Also, you stated you'd take full accountability down the road. Awesome.

I believe as long as you didn't have chunks in the fluid and don't hear any gear/bearing noise you should be good
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Old 11-16-2013, 12:38 PM   #18
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I think the only part of this I'm worried about is getting the fluid amounts correct. With using aftermarket covers I can't simply use the fill holes as a measure of how much to add.
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Old 11-16-2013, 01:04 PM   #19
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I think the only part of this I'm worried about is getting the fluid amounts correct. With using aftermarket covers I can't simply use the fill holes as a measure of how much to add.
Yup. It's a pain unless you have one of those high tech measuring devices.
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Old 11-16-2013, 01:16 PM   #20
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Yup. It's a pain unless you have one of those high tech measuring devices.
Going low tech.

Got a cheap gravity fed filler that's topped with a measuring cup. Slow but effective.
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Old 11-16-2013, 01:22 PM   #21
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Going low tech.

Got a cheap gravity fed filler that's topped with a measuring cup. Slow but effective.
Hey. If it works. I hope you remembered to grab a halogen work light to create/maintain some dexterity. Lol. I always forget that till I'm done. Lol
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Old 11-16-2013, 02:42 PM   #22
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Hey. If it works. I hope you remembered to grab a halogen work light to create/maintain some dexterity. Lol. I always forget that till I'm done. Lol
I have a light that straps to my head. Comes in very handy.
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Old 11-16-2013, 03:42 PM   #23
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Originally Posted by Barmanvarn View Post
My garage isn't heated and it's a bit chilly here. However I have new diff covers and need to change diff fluid after the initial break in of my new gears. Am I looking for trouble if I attempt this in this weather. I'll drove around some to warm up the fluid and can use a hair dryer to warm up the old RTV in order to scrape it off. Anything else I'm not accounting for due to the cold weather?

EDIT: I'm trying out new lubelocker gaskets so don't have to worry about RTV cure times due to the cold.
No issues other than the fluid being a PITA to pour and squeeze out. Do yourself a favor, while youre removing the old cover, draining, installing new cover, etc, take your new fluid (in the bottles, sealed) and leave em inside a bucket of very hot water. This will keep the fluid as thin as possible and make it easier to pour.
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Old 11-16-2013, 03:44 PM   #24
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No issues other than the fluid being a PITA to pour and squeeze out. Do yourself a favor, while youre removing the old cover, draining, installing new cover, etc, take your new fluid (in the bottles, sealed) and leave em inside a bucket of very hot water. This will keep the fluid as thin as possible and make it easier to pour.
Good advise. Thanks!
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Old 11-17-2013, 08:17 AM   #25
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I'm in Saskatchewan, I've had to learn to do EVERYTHING in the COLD!!!
-40, installed fuel caddy, wired in lights,rotated tires, and lots more. The hard stuff I leave until spring, when it's only -20!!!! I hate the cold, but I love my Jeep.
Invest in a good heater, and leave everything in the house until you absolutely need to bring it out to the vehicle.
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Old 11-17-2013, 10:54 AM   #26
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I'm in Saskatchewan, I've had to learn to do EVERYTHING in the COLD!!!
-40, installed fuel caddy, wired in lights,rotated tires, and lots more. The hard stuff I leave until spring, when it's only -20!!!! I hate the cold, but I love my Jeep.
Invest in a good heater, and leave everything in the house until you absolutely need to bring it out to the vehicle.
That's why I moved from MN to CO! Those driveway repairs, while its snowing and frost bitten fingers are a thing of the past! Unless of course, one chooses them- high altitude backcountry travel
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Old 11-17-2013, 11:24 AM   #27
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Well I am fortunate enough to have a nice big garage. So when I fire up some heaters, I can at least warm my fingers up.
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Old 11-17-2013, 11:32 AM   #28
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Well I am fortunate enough to have a nice big garage. So when I fire up some heaters, I can at least warm my fingers up.
That is fortunate!
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Old 11-17-2013, 11:43 AM   #29
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I have a light that straps to my head. Comes in very handy.
Me, too, I can't tell you how handy that little light is, it has to be one of the best tools in my toolbox. The wife bought it for me, and I thank her every time I use it/

Most of the gear oil bottles have a clear "line" down the side that allows you to see (and shows ounces, I think) how much fluid is left in the bottle.

The front takes 2.7 pints or 43 ounces.
The rear takes 4.75 pints or 76 ounces.

Don't overfill them.
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Old 11-17-2013, 12:59 PM   #30
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Looking at the Weather history for Sherwood, AR. It was mid 50's when the OP posted the first message!
That's not chilly, that's t-shirt in the garage weather!

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