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olistr



Member Since: 29 Dec 2022
Location: BW
Posts: 66

Germany 
ring gear pattern
Hi guys and girls
I am doing my first final drive and wanted to have your opinion on the pattern I am having.
Hope the pictures are more or less ok. I think the last 2 images the pattern is best visible (I applied some resistance to the crownwheel while rotating on those 2)


Click image to enlarge



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Click image to enlarge
Post #1030580 5th Apr 2024 7:05am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Looks good to me. Very similar to my efforts when I installed Miffy's ATB. Thumbs Up If you want to compare I am pretty certain I posted my patterns in the Miffy Workshop thread.
Post #1030651 5th Apr 2024 2:18pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5842

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Is this going to end up like Readers Diffs? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #1030654 5th Apr 2024 2:21pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
I guarantee no one is ever going to pay for that service... Shocked
Post #1030666 5th Apr 2024 3:03pm
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olistr



Member Since: 29 Dec 2022
Location: BW
Posts: 66

Germany 
Thx geobloke needed confirmation
Post #1030680 5th Apr 2024 5:40pm
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MatLandy



Member Since: 11 Sep 2020
Location: Paris
Posts: 184

France 2008 Defender 110 Puma 2.4 CSW Zermatt Silver
It just happened that I very recently changed the rear diff center of my Puma 110 for an Ashcroft ATB (P38 differential housing). I had excessive play between the side and spider gears, making a "clunk" noise in some situations, which was annoying as the rest of the transmission is pretty tight.

The ring and pinion were still good after 130K, so I re-used those, saved me from having to adjust a new pinion height and preload in the housing. So basically, only a new ATB diff center with its new side bearings kindly pressed in by Ashcroft before shipping (thank you).
Anyway, after setting the backlash as per the manual, I checked the pattern and although it looked good to my untrained eyes, I was not sure. Having driven the Landy since on all type of roads including motorways, I am satisfied that it is neither howling nor whining. And the "clunk" is gone. Cool

Below the pictures of my pattern if you want to compare, similar to yours, so you should be good ?



Click image to enlarge




Click image to enlarge


/Mat


Last edited by MatLandy on 29th Apr 2024 11:45am. Edited 1 time in total
Post #1030739 6th Apr 2024 5:11pm
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olistr



Member Since: 29 Dec 2022
Location: BW
Posts: 66

Germany 
That looks good.
I am also keeping housing , pinion , crownwheel, but my preload with the same shim was wrong
Post #1030742 6th Apr 2024 5:15pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Excellent work Gents. The ATB in the rear is a lovely addition Thumbs Up
Post #1031328 12th Apr 2024 7:54am
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