Gear box Serie2

steve2286w · Oct 19, 2024

Olive said:
Excellent !! No it is not my garage on the picture (I wish !!) but the pro mechanics who is kind enough to accept to help me fixing this issue. Yes for now he only opened the transfer box cover (picture posted) and we were considering changing the whole gear box as a simpler more efficient option.....if we find a replacing gear box.
Before my Landy was passing easily from 2x4 to 4x4 (and reverse) but recently I have been blocked in 4x4 (the ratio lever seems to move nothing) and now there is a big "whistling" noise and very high r/mph even at low speed...
I hope it is clear

So you are stuck in low ratio, 4x4 with high revs and low speed and pulling red lever back does nothing
Did the yellow knob work ok when you pressed it down it went into high ratio 4 wheel drive
Is the knob up or down and does that release when red lever pulled back

tottot · Oct 19, 2024

Talking to the parts seller on the phone is often good to ensure you order the right ones.

@steve2286w if you look at the pic top of page one can see the high ratio output gear at the bottom is no longer in line with the intermediate gear in the middle. Likely cause fail of front bearing.

steve2286w · Oct 19, 2024

@tottot
So if I understand you
The axis of the blue line not parallel to the red line due to bearing fail (I’ve exaggerated this alignment)
Or do you mean where red circle the high gear should be more in line with intermediate gear as it’s a bit offset , it does look like edge of intermediate gear teeth getting a bit more wear

tottot · Oct 19, 2024

You can see in the red circle the two high gears are not correctly meshed. As you have noted the axis of the intermediate gear and output gear do not align.
Looks like most of the drive load has been going through just the edge of the teeth.
On checking there are no broken teeth on either gear and the shaft is ok I would renew bearings and off to go.

steve2286w · Oct 19, 2024

Good eyes have you!

tottot · Oct 19, 2024

Nice zoom feature on laptop.

steve2286w · Oct 19, 2024

Could it have overloaded bearing at other end too

tottot · Oct 20, 2024

Very likely, I would renew both. It may look un damaged but will have been loaded on the edge much like the gear teeth have and while the teeth are big enough to take some abuse it would be daft not to replace both bearings while in there.

Olive · Oct 22, 2024

steve2286w said:
Best to strip down the transfer box and see what the issue is before buying new parts , if you do buy parts buy quality bits if you can using the correct part numbers
There should be stamped numbers on it telling you which gearbox suffix you have

Thanks steve2286w

Gear box Serie2

steve2286w

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tottot

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steve2286w

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tottot

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steve2286w

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tottot

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steve2286w

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tottot

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Olive

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