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GEN I Auto hubs #1105920 02/14/21 04:43 PM
Joined: Feb 2001
Posts: 1,992
JAVYPRO Offline OP
Body Damage is Cool
Hey gang,
It has been a while, how are y’all doing?

With the little snow that we got last week in Georgia I decided to exercise the 4WD a little bit. Now it won’t disengage from 4h. Shifted into 2h, backed up and the 4WD symbol goes away but not the wheel lock light. Drive forward and a grinding noise is noticeable on the driver side, I then shift to 4WD and the noise goes away.

During summer time, I replaced the bearings and packed the hubs with grease but did not use the 4WD. They have always been bulletproof and she doesn’t see any hardcore wheeling, in fact it sees 4WD maybe once a year since is is mostly a daily commuter so it could be lack of use, who knows.

It is currently on my floor jack to see if there is something visibly obvious.

Any ideas what could be wrong?

Thanks,
Javy


88 red Montero with the Dakar Special Edition decals, 438,000 miles (As of 7/23/2012) some occational blue puffing but still strong and counting!!! I am going ppsshhh (turbo), Stay tuned =) ...
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Re: GEN I Auto hubs [Re: JAVYPRO] #1105921 02/15/21 03:53 AM
Joined: Feb 2001
Posts: 2,357
MarkG Offline
Body Damage is Cool
*****
Good to know your Gen 1 is still on the road.

Drive a bit north. We had plenty of snow.

If I remember correctly, the auto hubs are lubricated with oil, not grease.


Mitsu # 6 - 98 6G72 Montero Sport, Locking Rear Diff, Aisin Manual Hubs, 31x10.5

Mitsu # 7 - 02 6G74 Montero Limited
Re: GEN I Auto hubs [Re: JAVYPRO] #1105922 02/15/21 03:29 PM
Joined: Feb 2001
Posts: 1,992
JAVYPRO Offline OP
Body Damage is Cool
Mark,
So good to hear from you and to know that the “veterans” of the 4x4wire are still around, awesome.

I still got my 2 GEN Is SWB and LWB plus my GEN III.

I took the hub cover off and found the the passenger side is missing the C clip at the en of the axel, I pushed the gear sleeve and it release the axel so my problem might be on that side.
If it use oil then how do I lube it and keep it lubed?

I found a alternative C clip so I will see if it works.

Thanks
Javy

Last edited by JAVYPRO; 02/15/21 03:30 PM.

88 red Montero with the Dakar Special Edition decals, 438,000 miles (As of 7/23/2012) some occational blue puffing but still strong and counting!!! I am going ppsshhh (turbo), Stay tuned =) ...
Re: GEN I Auto hubs [Re: JAVYPRO] #1105923 02/15/21 06:10 PM
Joined: Feb 2001
Posts: 2,357
MarkG Offline
Body Damage is Cool
*****
Javy,

The wire isn't as busy as it once was. There are some active groups on facebook; "Mitsubishi Monteros USA", "Dodge Raider Community", "Mitsubishi Montero FSM Crew", "Mitsubishi Montero USA Parts Exchange" and "Mitsubishi Gen 3 Squad".

There is sealant between the free wheel and the wheel hub. There is an O-ring under the hub cover. <-- These will keep the lubricants in and water/dirt out.

If you need a C clip, post back. I probably have one.


Mitsu # 6 - 98 6G72 Montero Sport, Locking Rear Diff, Aisin Manual Hubs, 31x10.5

Mitsu # 7 - 02 6G74 Montero Limited
Re: GEN I Auto hubs [Re: JAVYPRO] #1105925 02/16/21 01:30 AM
Joined: Feb 2005
Posts: 7,462
rxinhed Offline
Trail Leader
*****
The Auto Hub has been one of the bane parts of the marque. White lithium grease is the lube of choice, according to the FSM. Before you chase this repair, it's so much more efficient to get some new Aisin hubs from Amazon.

Cheerio,
Russell


...closing in on #15 now


1987 Raider - Roxy
1988 Mighty Max 2.6L Turbo - Pearl
1997 Mountaineer V8 - Freddy
2000 Excursion V10 - Freya
Re: GEN I Auto hubs [Re: rxinhed] #1105931 02/16/21 04:52 AM
Joined: Dec 2007
Posts: 2,349
Mudraider Offline
Body Damage is Cool
Originally Posted by rxinhed
The Auto Hub has been one of the bane parts of the marque. White lithium grease is the lube of choice, according to the FSM. Before you chase this repair, it's so much more efficient to get some new Aisin hubs from Amazon.

Cheerio,
Russell


...closing in on #15 now

This white lithium grease is really important. Lighter than wheel bearing grease, it allows the mechanical actuators inside the Autohubs to move properly, whereas a solid chunk of wheel bearing grease will just gum up the pieces inside the Autohub.


89 SWB, V-6 5SPD, OME Shocks, 16.5X37's, 2"BL, SR axle, Gen2 brakes, Lincoln w/Superwinch
Re: GEN I Auto hubs [Re: JAVYPRO] #1105933 02/16/21 04:39 PM
Joined: Jun 2003
Posts: 7,356
MontyMcV Offline
Trail Leader
Yes, put some Aisin hubs on.


Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com
Re: GEN I Auto hubs [Re: JAVYPRO] #1105936 02/17/21 08:24 PM
Joined: Aug 2020
Posts: 191
T
Trailmonkey Offline
Wheeler
Opps. Packed my whole setup with grease lol
Still locks and unlocks..
May take the cap off and put some oil in to thin it some at the locking hubs ?

Did you get yours working yet ?


91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
Re: GEN I Auto hubs [Re: Trailmonkey] #1105952 02/25/21 03:12 AM
Joined: Feb 2005
Posts: 7,462
rxinhed Offline
Trail Leader
*****
Originally Posted by Trailmonkey
... put some oil in to thin it some at the locking hubs...


Oil will have different chemical properties and won't mix anyway. Better to just clear the workings.


1987 Raider - Roxy
1988 Mighty Max 2.6L Turbo - Pearl
1997 Mountaineer V8 - Freddy
2000 Excursion V10 - Freya
Re: GEN I Auto hubs [Re: JAVYPRO] #1106646 03/14/22 06:55 PM
Joined: Feb 2022
Posts: 23
K
keetz Offline
Need a Spot
revival on this thread to see if anyone has any ideas - Mine happened to have that wheel lock light stuck on when i first bought it. It was snowing at the time and the guy I bought it from only had it for a couple of months and said something to the effect of "that wheel lock light has always been on - but I've only driven it in 4wd"
I got in to test drive it - It was in 4H. I backed out of the parking space and shifted into "D" and put it in 2H as I was rolling forward - the wheel lock stayed on (it might have flashed, I can't remember) - and I drove forward maybe 20 feet then put it in reverse for about 5 feet - then back into D, then the light went off - and stayed off.

I've been too scared to try putting it back in 4H or 4L ever since - at least until the hubs are serviced - and I haven't been able to find replacement parts for the factory air hubs. Sounds like this is something that can simply be taken apart, cleaned, greased and put back together to fix any kinks? I'm getting ready to have the entire front suspension + axles replaced (just need to buy the upper control arms to have all the parts) but i'm not sure what direction I should ask the mechanic to go with the front hubs yet.....

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