80-83 Safari\MQ Patrol H260 Diff Questions

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davidvdm
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 12 Jun 2017 13:16

Community forum guys have a suggestion to just "smooth" it off on the lathe and then source a seal with the appropriate ID and OD. I have an account at BMG and will get the dimensions to my Rep tomorrow and see if they have something like that in stock so we know how much to take off the flange. I am just worried about how much we will weaken the flange by taking anything off it.
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

Wilkie
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by Wilkie » 12 Jun 2017 14:35

I second on what Peter have said and I Would go and buy the proper genuine seal from the agents and then I know its correctly sorted :oldtimer: :oldtimer:

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davidvdm
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 12 Jun 2017 15:21

Agents don't keep that seal. I have also called Nissan to see if they can get a replacement for that pinion flange, nothing. The guy searched but is not even sure of exact measurements to compare with what is still available for the new Patrols. They seem to turf the old microfisch after a certain period and can in no way go back. And I have a family member that works at Star Nissan in Vanderbijl and he goes the extra mike to try and find stuff for me.

I have my guys at Autozone and BMG looking at finding a seal with slightly smaller ID. Here is the standard one, and the only replacement I could find when I originally looked, was from Partquip.
H260 rear seal with text.jpg
H260 rear seal with text.jpg (58.75 KiB) Viewed 861 times
So I asked the guys to see if they can find something with a 41.5mm ID. I still don't know how much strength I am going to sacrifice by taking anything off it on the lathe.
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

Wilkie
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2004 BMW 3.0D X5
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by Wilkie » 12 Jun 2017 15:53

Have you tried to phone David Volschenk in Bela bela..... i'm convinced that he would be able to assist you with a second hand flange

Wilkie
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by Wilkie » 12 Jun 2017 16:13

you can also try these guys out for seals
Seal Center Pretoria
012 379 6170
800 Helen street
Hermanstad

If they cant help you... :helpsign: :pray:

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davidvdm
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 12 Jun 2017 16:25

Thanks for the replies guys. I'm just waiting for someone to tell I'm not going to cause trouble by machining that thing slightly smaller. Hell, I may still get away using the original seal, but doubt it. If anybody can tell my that the flange is not going to be good for the possible 3000Nm of torque I can shove into it, then I will have to go the distance to have it replaced. I don't trust anybody to weld and machine and heat treat it.

So please, anybody, just tell me the flange will still be up to the task if I take some meat off it, lets say 1mm for argument sake :helpsign:
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

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Peter Connan
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by Peter Connan » 12 Jun 2017 17:36

If you give me the dimensions (OD, Spline OD, Spline ID and number of teeth, I can calculate the point of failure for you.

But doesn't that thing sit in a bearing?
Mag ons ons kenniskry met lekkerkry aanhoukry.

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davidvdm
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Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 12 Jun 2017 19:05

Its darn useless trying to post a pic from a phone, and I dont have internet at home. I will have to post tomorrow at the office. But from what I can see the flange just pulls up against the bearing. I will also go take some measurements as soon as I get home and take a pic or two.
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

User avatar
davidvdm
Senior Member
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Posts: 467
Joined: 13 Sep 2011 15:47
Full Name: David vd Merwe
Nickname: David - Hillbilly
Home Town: Carletonville
Current 4x4: 1997 2.7TD Nissan Sani Mk3 4x4 SFA (SAFANI)
Home Language: English/Afrikaans
Has thanked: 3 times
Been thanked: 15 times

Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 13 Jun 2017 15:52

Not sure if my caliper can not get to the bottom of the spline teeth, but I only measure the splines at around 1,25mm.
Wall thickness with splines to the top of the spline is 7.5mm and between the spline teeth is just over 6mm.
Length of the splines is 42mm.

Hope that all makes sense. But so far I am at dead ends finding alternative seal of any spec smaller than standard at the normal suspects like Autozone and BMG.
20170613_071839.jpg
20170613_071839.jpg (152.48 KiB) Viewed 824 times
20170613_071924.jpg
20170613_071924.jpg (130.73 KiB) Viewed 824 times
20170613_072159.jpg
20170613_072159.jpg (158.87 KiB) Viewed 824 times
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

User avatar
davidvdm
Senior Member
Senior Member
Posts: 467
Joined: 13 Sep 2011 15:47
Full Name: David vd Merwe
Nickname: David - Hillbilly
Home Town: Carletonville
Current 4x4: 1997 2.7TD Nissan Sani Mk3 4x4 SFA (SAFANI)
Home Language: English/Afrikaans
Has thanked: 3 times
Been thanked: 15 times

Re: 80-83 Safari\MQ Patrol H260 Diff Questions

Post by davidvdm » 13 Jun 2017 16:28

Peter, don't worry about trying to stress test this thing, I just spoke to Specialist Seal Services and they say there is no seal available anything smaller than the one I have. She even told me that this seal must be for a Nissan, because it is only Nissan that has these strange sizes. She suggests the polishing route as I should have 1/2mm to work with, and then I can still tension the seal spring up slightly to assist the seal. Then she also suggests the use of a speedy sleeve if all else fails.

So now to see who can polish my shaft :biggrin:
David - Bfreesani
1997 Nissan Sani MK3 2.7TD - Hillbilly (SAFANI)
MQ C200 SFA
MQ H260 LSD Rear
MQ Transfer as second low range
5" Lift
33"x12.5x15" tires on 8.5J rims - Want 35's
DIY rock sliders
DIY Snorkel
Madman EMS

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