Questions tagged [disassembly]

The technique of disassembling two or more parts from one another.

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Fix Lego M Motor - The hooks aren't budging

I have a Lego M motor that is broken. I'm following the instructions here to try to fix it but the little tabs that hold the plastic frame together just won't budge no matter how hard I'm pushing them ...
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  • 1,089
8 votes
2 answers
2k views

Insert a gear into a turntable?

Is there a way to insert a 24 tooth gear into a turntable of the 48452cx1 type? --> Is there any model to feature any tooth gear (even smaller) used inside this turntable? This specific ...
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  • 503
8 votes
3 answers
1k views

Millenium Falcon 75192 Disassembled Storage

I recently bought the Millenium Falcon 75192 and built it. I would now like to take it apart and store it. I don't have a LEGO collection, and would like to store it in a way that I won't have to dig ...
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4 votes
4 answers
577 views

How to remove round tiles easily from a plate

I have made a road for a medieval style MOC by putting 1x1 tile, 1x1 round tile and 1x1 round plate on plates of varying sizes. When I want to remove the round tile from a stud not on any outer ...
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5 votes
1 answer
359 views

What electronics are inside the SPIKE Prime angular motors?

Is there any information available about the internals of the SPIKE Prime and Robot Inventor angular motors? What Hall-Sensor is used by the SPIKE motors? To be more precise: I'd like to get ...
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3 votes
2 answers
341 views

What is inside the LEGO Powered Up L motor?

What's inside the Powered Up L motor (part bb0959c01)? How do its internals compare to the XL motor and the M motor?
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  • 33
10 votes
1 answer
191 views

How can I extract a metal axle from a plastic wheel without damaging them?

I have Plate, Modified 2 x 2 with Wheels Red with metal axles that have developed rust and I need to sanitise them, as I have rust even on the plastic pieces This is an example of wheels I need to ...
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  • 345
6 votes
1 answer
295 views

How do I remove this piece when the other side is obstructed?

I bought and constructed the Millenium Falcon 75192. Now, I'm breaking it apart for storage. I just don't know how to remove the black piece below (the same as the alone one but in the structure) ...
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15 votes
2 answers
2k views

Remove 3, maybe 4, decades old PVA glue from Lego

A friend of mine gave me a large crate of Lego that he found in the house he just bought. It appears to be several sets from the late 70's. (I spotted the building instructions for the 850 and 851 ...
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  • 1,120
4 votes
0 answers
169 views

Piece stuck in LEGO T-Rex body part nr. 6223585

My son stuck a rod piece through one of the openings in the T-Rex body middle part (part# 6223585). How can I open up the body to retrieve the rod piece? The body is made of two parts that are clipped ...
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1 vote
2 answers
322 views

Take off a small 1x1 piece from bigger LEGO surface

In general, what is the best approach to take off small pieces from a surface like the one in the picture? How to proceed What should I do if I don't want to deal any damage to LEGO itself? I want ...
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3 votes
1 answer
195 views

Miniature Lepin box door stuck inside box itself

Yes, maybe the title may be confusing, but this image says it all: I got a Lepin city set not too long ago, and it included this box. I have no idea how this happened but during use the door ...
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7 votes
1 answer
620 views

What is inside the Technic Powered Up XL motor?

What components are inside the new Technic Powered Up XL motor? Is it the same as the PF XL motor, except with a different connector?
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6 votes
1 answer
182 views

Lego Duplo Train Track Switcher washable? / Best way to clean them?

I've found some pretty old Lego Duplo train track parts, that I'm looking to sell on Ebay. As these are pretty old and caked with dust, I wanted to used my usual method I usually use to clean all ...
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5 votes
1 answer
276 views

Mounting a mosaic modularly

I have this LEGO mosaic consisting out of 3 by 3 baseplates (32x32): As it takes up too much space lying flat, I would like to mount it vertically or near vertically, slightly leaning backwards, like ...
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7 votes
4 answers
4k views

How to disassemble the propulsion wheels of the LEGO/DUPLO train engine base part# 28743 drivetrain?

I have a push and go motor, also known as Hub No5 model also known as engine base part #28743 The issue I have is that the train can not climb the bridge anymore, unless using the locomotive alone ...
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3 votes
2 answers
390 views

How to disassemble these parts?

I have these parts put together really tightly and have no idea how to separate them. Does anyone have any suggestions? Sorry for the black color, I do not have them in any of the brighter colors, so ...
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1 vote
2 answers
226 views

Separating old 2 x 4 brick with wheel holder

I am wondering if anyone knows of a way to separate the clear bottom piece from the brick on part# 7049b "Brick, Modified 2 x 4 with Wheels Holder Old and Trans-Clear Bottom" without breaking anything....
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4 votes
2 answers
5k views

Selling complete sets, Assembled or Disassembled?

I have several complete Lego sets that are assembled. I would like to sell them and want to know if I should ask a higher price if I disassemble them and organize the pieces? I also have the ...
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14 votes
3 answers
6k views

How to disassemble LEGO train engine base part# 28743?

I have one of the new Bluetooth engines (part 28743, but in the bottom it says Hub No 5 model) that has started to under-perform and make some noises, I think that it need some maintenance (maybe due ...
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  • 345
5 votes
1 answer
173 views

How can I separate 1 x 1 round from boat mast base 4 x 4?

I have two pieces I cannot seem to separate. The parts in question are: 3062b: Brick, Round 1 x 1 Open Stud 6067: Black Boat Mast Section Base 4 x 4 x 1 2/3 The 1 x 1 is transparent in this case, in ...
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  • 445
7 votes
3 answers
158 views

How can I separate an 8H antenna from a modified 1×1 with ring?

I have two parts which are stuck together: 4081b: Plate, modified 1×1 with clip light – thick ring 2569/25699/47094: Antenna whip 8H The parts have been assembled like this for about 20 years and ...
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  • 445
8 votes
1 answer
499 views

Is this non-disassemblable LEGO instruction step real?

I've seen this image shared a few times around the internet as an example of a LEGO instruction step that assembles pieces in such a way that they cannot be disassembled (at-least not without some ...
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6 votes
1 answer
991 views

How To Disassemble the LEGO Boost Hub?

I can get the hex screws off and pry apart the plastic tabs on the bottom plate, but for the life of me I can't un-clip the back tabs. Any ideas on where to press/pry?
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2 votes
2 answers
192 views

Re-building sets - paid services?

My son has A LOT of LEGO sets, which have sadly broken down into many, many millions of pieces. Does anyone know of any paid services that might help re-build his sets. I know this sounds like it ...
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  • 21
2 votes
1 answer
420 views

Please Help! My LEGO BB-8 Minifig Head Is Stuck In a Helmet! [duplicate]

My younger brother lodged his BB-8 head in a helmet, and I just can’t dislodge it.
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6 votes
1 answer
164 views

Any ideas how to separate these lobed gears and lightsaber pieces?

Any help please? I've got these two pieces stuck together and not sure what to try! I don't want to break the pieces...
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9 votes
1 answer
2k views

What is inside the LEGO Powered Up M motor?

What is inside the M motor in the new Powered Up system? How is it different from the older Power Functions motor?
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3 votes
1 answer
839 views

How do I sell complete LEGO sets still assembled?

I have several complete items I want to sell. I have the instruction manuals but no boxes. They are still together. They include the old Death Star, and some other Star Wars, the complete Lone Ranger ...
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4 votes
2 answers
894 views

What's the fastest way to rebuild different sets that have been brought together

My mom did something to my LEGO. When I was a kid I loved playing with them. Frankly I have no interest in it anymore. She broke down all them sets, and put them all in a huge box. I still can ...
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  • 41
12 votes
2 answers
806 views

Is there a tool that can consistently remove hundreds of 2x2 Tiles?

I have hundreds of 2x2 Tiles that I use to create LEGO City scale footpaths and floors. They are arranged in a grid on baseplates in a similar way as shown below: Recently I had decided to rebuild ...
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6 votes
2 answers
2k views

Separate LEGO Technic wheel from 3 pin hub

How to separate a 3 pin wheel hub (part# 92909), from this wheel (part# 44772), in order to replace it with another wheel, such as part# 22969?
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  • 503
10 votes
1 answer
219 views

Optimal way to remove door from frame

What is the best way to remove the transparent door from the white frame? I am asking this since I want the door to last as long as possible without damaging the slot or bump. Any method will do, ...
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  • 263
4 votes
1 answer
6k views

How to open Duplo train base 2961b?

How can I open a Duplo train base 2961b without destroying it? It is not working despite fresh batteries. There are no screws.
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  • 143
5 votes
2 answers
11k views

How can I remove old LEGO bricks that are stuck together?

Brought my childhood LEGO sets from 1970's and 80's for my kids. The pieces attach much tighter together than sets purchased recently. Can something be done to loosen the attachment without damaging ...
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  • 155
1 vote
3 answers
471 views

How to remove an unslotted length-2 technic axle from a one-way axle hole?

A problem that sometimes occurs during disassembling is an unslotted length-2 technic axle being stuck in some axle hole that is a dead end, i.e., you cannot push the axle out with a longer axle from ...
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  • 2,154
11 votes
3 answers
1k views

How do I take out this pin from an axle connector? [duplicate]

I have an axle connector with a blue pin stuck in it. How do I get it out? It looks like this: It's on very tightly. I tried removing it for 5 or so minutes, but it's too slippery.
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  • 123
4 votes
2 answers
7k views

How to speed up the disassembly of large LEGO technic sets?

Is there any ways to help speed up the disassembly process for big LEGO Technic set such as the 42043 Mercedes-Benz Arocs?
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4 votes
1 answer
1k views

How to disassemble this small Technic turntable, combination of parts 99009 and 99010?

How should I non-destructively disassemble the following parts, when they are newly assembled? 99009 Light Bluish Gray Technic Turntable Small Bottom 99010 Black Technic Turntable Small Top
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2 votes
1 answer
304 views

Can using a hex key to disassemble LEGO Technic pieces cause damage?

Does using the right size hex key (Allen key) to speed up the disassembly process cause damage to the LEGO Technic pieces?
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5 votes
1 answer
316 views

How to disassemble this Technic combination?

How should I disassemble the axle (7) attached in this model? (I tried using a brick separator but failed to remove it.)
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5 votes
2 answers
880 views

Tools to unbuild a model more easily?

Are there any good tools out there to help unbuilding a model, for example removing axles from beams? Something like the famous brick separator, but for Technic models.
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  • 255
11 votes
12 answers
5k views

Most inseparable combinations?

Some combinations of pieces are really hard to get apart – really hard. Can some answerers provide a list of “dangerous combos“? For example, a 2×2 with a round 2×2 on bottom. Also, if possible, ...
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13 votes
1 answer
1k views

Can I safely dissassemble a 74569 motor (the old, fast 9v one)

I have an ancient 74569 motor: Unfortunately, it's broken: The shaft spins freely by hand, but when I connect power to it, it doesn't spin at all. I would like to see if I can just open it and place ...
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  • 1,146
21 votes
4 answers
4k views

What tool can get the Technic pin out from a connection closed in the other end?

I'm having trouble removing these LEGO Technic pins apart from their connectors and I don't want to use carpenter tools like pliers which may damage the bricks. What tool can get the pieces separated ...
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  • 425
6 votes
3 answers
1k views

Is there a way to set a flat plane at an angle to horizontal of less than 22.5 degrees, but more than 0?

I am building an airplane with a wing dihedral (the wings angle upwards from the fuselage), but I am using parts 44302 and 44301 interlocked as designed: Unfortunately, one click up is about 22.5 ...
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  • 161
5 votes
2 answers
1k views

Help separating a 6L stick with stop ring & 1x1 cone

I have a 6L stick with stop ring & 1x1 cone stuck together. I've been trying to separate them without success. Any advice?
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  • 51
6 votes
1 answer
138 views

Is it safe to remove PC (polycarbonate) arms from minfigures?

I would like to replace the clear PC arms on the Chima ice figures with opaque ABS. Would I still be able to use the clear PC arms with other figures after I have removed them? I know that removing ...
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  • 2,018
18 votes
7 answers
8k views

How to unplug black friction pin connectors

Black friction pin without slots connectors are common in older Technic sets. Note that these were quickly replaced by the current version with slots that is much easier to remove. vs Especially ...
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  • 1,678
11 votes
6 answers
1k views

How do I remove a racing helmet from a garbage can?

We have a red Lego racing helmet that has become wedged with its round side up in a 2 handled Lego garbage can. I cannot access any of the visor indentations, the face slot or the neck circle. I tried ...
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