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Unread 08-22-2012, 08:55 PM   #1
jerresredyj
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NV3550 shifter removal

How do I separate these 2 parts?



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Unread 08-22-2012, 09:28 PM   #2
Opihi59
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Just undo the 4 bolts holding the shift tower to the transmission housing, remove the entire assembly intact. Cover the opening left with duct tape so you don't drop stuff down inside the gearbox while you are doing the rest of whatever on the transmission.

When you reinstall the tower, make sure the shift ball is in the socket, transmission is in 3rd gear, and the offset in the tower is towards the passenger side before installing the tower bolts.

There are 2 styles of the NV3550 shifter: http://www.advanceadapters.com/categories/nv3550/229/

Here's a quote from the TJ forum with similar recommendation and a removal technique. I can't describe it better because I don't have one in my lap at the moment.

Quote:
Originally Posted by Country Boy View Post
Yeah, unbolt the shifter assembly from the top of the tranny. My lever was rusted tight to the tranny "nub" and had to be removed with an air chisel. You are supposed to be able to thread two bolts into the sides of the shifter with nuts on, then tighten the nuts and pull the lever off, but if its rusty, it won't budge.
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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
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You should go to Pirate. I hear they are real smart over there. You'd fit right in.
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Unread 08-23-2012, 05:39 AM   #3
jerresredyj
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The quote from the TJ forum is what I was looking for, thanks. I've removed and replaced the tower a couple of times but didn't know about the 3rd gear thing. Why would I need to do that?
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Unread 08-23-2012, 11:05 AM   #4
Opihi59
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Quote:
Originally Posted by jerresredyj View Post
The quote from the TJ forum is what I was looking for, thanks. I've removed and replaced the tower a couple of times but didn't know about the 3rd gear thing. Why would I need to do that?
Dunno. But when I'm passing information along and have no direct experience with the specific topic, I'm going to exactly quote what is written/described in the NV3550 manual. That's what it said.
In my experience, I've always pulled towers off/transmissions out with the system in neutral unless the tranny was "jammed." I can't begin to imagine what the reason for 3rd would be, and can't figure it out without one in my lap. All the dozens of threads I went thru last nite made absolutely no mention of 3rd gear, or of an offset in the tower. I've never had one apart (3550) but I would imagine it is obvious. Do you have a copy of the 3550 repair manual?

How 'bout when you pull your tower, PB blast/soak the junction for a while and try the "two bolts, tighten the nuts technique" and photo document it. Seems it might be helpful and there isn't a defined thread on the TJ forum on this. I put one in the YJ forum in the FAQ on how to separate the AX series shifters. In the 3550 series with the "other" style from yours there is a Torx head bolt you loosen up and can pull the shifter apart that way. It would generally require determined PB blast soakage in the junction, and may require striking on the top of the loosened-about-a-quarter-inch torx bolt to drive them apart.
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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
Originally Posted by Virjeep View Post
You should go to Pirate. I hear they are real smart over there. You'd fit right in.
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Unread 08-23-2012, 08:46 PM   #5
jerresredyj
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No, I don't have the NV3550 manual yet. Hope I won't be needing it any time soon. I'll give the 2 bolts a try this weekend and add pictures. Thanks
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Unread 08-23-2012, 09:31 PM   #6
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Sent PM.
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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
Originally Posted by Virjeep View Post
You should go to Pirate. I hear they are real smart over there. You'd fit right in.
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Unread 08-23-2012, 09:45 PM   #7
jerresredyj
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Got it, thanks again.
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Unread 08-26-2012, 01:44 PM   #8
jerresredyj
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Here's how. You'll need two 6mm-1.0 pitch bolts, nuts and washers. Put in bolts, just snug. Tighten nuts and shifter slides right off.




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Unread 08-26-2012, 02:00 PM   #9
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Glad you figured it out. 7mm? That's an odd size. What pitch? 1.5 it sorta looks like from this distance.

There are tons of open-ended threads questioning how to do this on the TJ forum, the best one that I found I linked to you. It had no photos. You could do a specific writeup on this and get it in the FAQ of both the YJ and TJ forum as there is a growing number of YJers putting 3550's in their rigs. Of course you could ask our Mods to stick this thread in the FAQ since it already covers it all. It needs to be in there for sure.

When you reassemble, I would make sure you put some anti-seize on the mating components, or at least some bearing grease so you don't get it rusted/fused together.

Good Job.
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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
Originally Posted by Virjeep View Post
You should go to Pirate. I hear they are real smart over there. You'd fit right in.
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Unread 08-26-2012, 05:09 PM   #10
jerresredyj
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I'll check tomorrow to see what pitch the bolt is.

I'll clean it up and repost. How do I get it in the FAQ?
It's nice to be able to give back to the forum. And thanks for your help.

I looked at your write up in the FAQ on the pickle fork technique. I don't have a pickle fork so I used two pieces of flat bar and a vice to separate the BA10 shifter. The shifter that came with my NV3550 was butchered up so I'm thinking about using the BA10 shifter.
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Unread 08-26-2012, 06:01 PM   #11
Opihi59
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I'll PM it to Jbolty for consideration. You'll still be able to post into it, and edit as necessary.

Edit--PM sent to jbolty, should know before too long. He's done a few wizard things with his shifters as well that I have copied.
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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
Originally Posted by Virjeep View Post
You should go to Pirate. I hear they are real smart over there. You'd fit right in.
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Unread 08-26-2012, 06:19 PM   #12
jerresredyj
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Thanks
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Unread 03-21-2014, 01:48 PM   #13
Opihi59
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Just a bit more information. This is the "other" version of the NV3550 shifter. This version has a T45 Torx fastener in it that holds the 2 pieces together. You simply remove that fastener, and pull the shifter off the shift stub. It helps to PB blaster the connections first though.

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Quote:
Originally Posted by Brian4.2 View Post
We will be going Metric every inch of the way.
Quote:
Originally Posted by 40dog View Post
yes I'm a some guy and have always put gasket sealer on my surfaces before mating
Quote:
Originally Posted by Virjeep View Post
You should go to Pirate. I hear they are real smart over there. You'd fit right in.
Opihi59 is offline   Reply With Quote
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