Dual mode automatic locking hub in HZJ105

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R

rngkll

Joined
Sep 12, 2025
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3
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Location
Costa Rica
Hello folks, I live in a place that I have to constantly switch to 4H, so I did an "upgrade" to my 105, I installed "dual mode automatic locking hub", not sure about the exact part number of these hubs, but a very similar one to 43530-69065.

1787254344373.webp


Apparently these came from a 2016 79 series.

I see a little of old grease coming from around the selector.

Can someone point me out to diagrams or instructions on how to do some maintenance on this hubs?
 
On these automatic hubs, if it's a dealer item, find out if they change to freewheeling when you go down hill or remain locked. If they switch to freewheeling, you don't want to punch the throttle at the bottom when going back up a hill or they can be damaged. Someone on the site may know. Info on the hubs can be found here. https://www.amayama.com/en/part/toyota/4353069065/diagrams
 
I've read that it's best to service the hubs every 20,000 km using a light spray lithium grease, but I haven't found any information on how to disassemble them.

My hubs are working fine, but I don't want to break them due to a lack of maintenance or misuse.

I always stop to engage 4WD; if I'm shifting into 4L, I get out and lock the hubs.

Ideally, I should be able to disassemble the hubs completely, clean each part, replace any O-rings, carefully apply the proper grease, and reassemble them.
 
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