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Old 09-04-2011, 05:50 PM   #1
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Manual transmission fluid change

Changed my transmission fluid today at 51K miles. I followed this procedure Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler NSG-370 Manual Transmission Service and it went smoothly. The fluid was very clean, but there were quite a few metal shavings on the drain plug. I planned on using Mopar fluid until they rang it up. $24.50 per quart! I went to Auto Zone and got Pennzoil Syncromesh for $6.99.

Fabricating the drain plug tool was the biggest pain. Luckily I have a neighbor with all the cool toys. I bought a 17mm hex socket. He drove out the hex key with a punch and then cut 1/4 inch off. It then fit perfectly and I used a pair of locking pliers to turn it.

The bottle pump was an issue. I couldn't find one that fits in a quart bottle. If anyone could tell me where to find one I would greatly appreciate it.

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Old 09-04-2011, 05:57 PM   #2
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Quote:
Originally Posted by daggo66
Changed my transmission fluid today at 51K miles. I followed this procedure Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler NSG-370 Manual Transmission Service and it went smoothly. The fluid was very clean, but there were quite a few metal shavings on the drain plug. I planned on using Mopar fluid until they rang it up. $24.50 per quart! I went to Auto Zone and got Pennzoil Syncromesh for $6.99.

Fabricating the drain plug tool was the biggest pain. Luckily I have a neighbor with all the cool toys. I bought a 17mm hex socket. He drove out the hex key with a punch and then cut 1/4 inch off. It then fit perfectly and I used a pair of locking pliers to turn it.

The bottle pump was an issue. I couldn't find one that fits in a quart bottle. If anyone could tell me where to find one I would greatly appreciate it.
Nice

You mean they make one that pumps from the bottle itself? The pump I bought
(napa $10) sucked it out through a tube, and then you transferred it up into the diffs or tranny.

Any difference in shifting/drivability?

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Old 09-04-2011, 05:58 PM   #3
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I got my bottle pump at Advanced Auto Parts, and have seen them at Auto Zone. You might try Amazon.com if you strike out at the parts store, they might have them.
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Old 09-04-2011, 06:00 PM   #4
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The one at auto zone would not fit a quart bottle. I'd love to find one like in the picture. I ended up pouring the oil into a larger jug then pumping it out.
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Old 09-04-2011, 06:01 PM   #5
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Quote:
Originally Posted by kjeeper10 View Post
Nice

You mean they make one that pumps from the bottle itself? The pump I bought
(napa $10) sucked it out through a tube, and then you transferred it up into the diffs or tranny.

Any difference in shifting/drivability?
I only drove it a short distance to make sure I didn't screw anything up. Everything seemed fine.
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Old 09-04-2011, 06:03 PM   #6
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Quote:
Originally Posted by daggo66

I only drove it a short distance to make sure I didn't screw anything up. Everything seemed fine.
Kewl

Ya-to clear that up, the one from Napa had a 1/2 or so tube that fit into a quart bottle. Worked great filling my diffs.
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Old 09-04-2011, 06:09 PM   #7
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Thanks, I'll check out Napa. I'm going to need one for the transfer case.
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Old 09-04-2011, 06:13 PM   #8
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Maybe they changed it, mine fit fine. I haven't looked on Amazon.com it might be worth checking them out, they might have a size that will work for you. The good news is you won't have to do it again for a while.

A Miti-Vac will work too, it's a great tool to have around. I've done, MTs, ATs and Differentials with mine, worth every penny I paid for it. I will be doing my transfer case with it shortly.
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Old 09-05-2011, 05:55 PM   #9
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I found a pump at Pep Boys. It's designed for pumping oil into a marine engine and has a special coupling on the end of the hose, but that shouldn't pose a problem. If it ever stops raining I'll tackle the TC fluid change.
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Old 09-05-2011, 06:16 PM   #10
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My YJ uses ATF in the TC. What does the JK call for Tom?
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Old 09-05-2011, 07:09 PM   #11
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My YJ uses ATF in the TC. What does the JK call for Tom?
ATF+4. I picked up some Castrol synthetic for $6.99 at Auto Zone.
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Old 09-06-2011, 07:19 AM   #12
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Quote:
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I found a pump at Pep Boys. It's designed for pumping oil into a marine engine and has a special coupling on the end of the hose, but that shouldn't pose a problem. If it ever stops raining I'll tackle the TC fluid change.

If its anything like my Miti-vac you'll love it. If you have a car or truck with an AT and you decide to do a fluid exchange it works very well, especially if you don't feel like taking a line off the tranny cooler. Or if you want to do a pan drop and don't have a drain plug. You can remove the fluid before you drop the pan, and not deal with the mess of tilting and dropping a full pan of ATF. That's always a messy job, especially the first time you drop the pan and find out they used RTV sealant instead of a gasket, or the gasket is not cooperating when it comes time to drop the pan. Changing the transfer case and refilling it is very easy too, if the pump allows you to refill the unit like the MV does.
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Old 09-06-2011, 07:59 AM   #13
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This is just a bottle pump. The TC and trans both have drain plugs to allow the old oil to drain out. The fill plugs are in such a position though that you can't tilt the bottle to pour it in. This allows you to pump the fluid out of the bottle into the fill opening.
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Old 09-06-2011, 08:03 AM   #14
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Sounds like you're GTG!
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Old 09-11-2011, 10:40 AM   #15
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Changed the TC fluid yesterday. It's supper easy, but takes a little time because you have to remove the skid plate first. Once that's off, it's a snap.
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Old 09-11-2011, 10:51 AM   #16
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Tom-- given some time to drive around with the tranny fluid change, have you noticed any change in drive characteristics?
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Old 09-11-2011, 12:40 PM   #17
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No. I wouldn't expect to have any either. The fluid in both seemed to be clean and in good condition. There was a good amount of metal shavings on the magnetic tranny plug however.

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