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Re:Re:Re:Problems with BigJimny!

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02 Nov 2019 19:16 - 02 Nov 2019 19:16 #215310 by mlines
Answers on a postcard!


Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Last edit: 02 Nov 2019 19:16 by mlines.

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03 Nov 2019 00:00 #215313 by Grima
As you have more than 1 jimny, which car went bang?

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03 Nov 2019 07:06 #215316 by Lambert
Could be that the transfer box wasn't fully disengaged and banged as it released?

Dreadnaught (black 2011)

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03 Nov 2019 07:39 - 04 Nov 2019 12:25 #215318 by mlines
It's my older Jimny.

It has an SJ box in it so it's fully mechanical so I don't think it was sticky. And it perhaps wouldn't knock all the way home.

Will have to go and do loops of the local car park and try and track it down

Sent from my Pixel 2 XL using Tapatalk

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Last edit: 04 Nov 2019 12:25 by mlines.

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03 Nov 2019 10:37 #215319 by Lambert
Could be that the backlash you're feeling is broken cv joint getting jammed?

Dreadnaught (black 2011)

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03 Nov 2019 20:38 #215333 by kirkynut
I think it's still a CV joint but it's not blown up as much as usual.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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04 Nov 2019 12:26 #215351 by mlines
I also think it was the CV, or CV related.

I think it has to come apart, I might see what I can see through removing a kingpin and putting a camera in the hole.

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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04 Nov 2019 18:37 #215365 by kirkynut

mlines wrote: I also think it was the CV, or CV related.

I think it has to come apart, I might see what I can see through removing a kingpin and putting a camera in the hole.


The top King Pin - that's a cunning plan!

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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05 Nov 2019 19:48 - 05 Nov 2019 19:59 #215399 by mlines
Drove it up and down the road.

The knock, knock, knock sound is directly road speed related and does not change if in 4wd, 4wd low or 2wd (manual hubs locked or unlocked.)

It is coming from the rear.

Jacking it up, you can hear the noise in the video (apart from the discs dragging and local fireworks!)

Sounds like something is damaged in the diff.

As I have an ARB air locker in the diff (although I never used it on the day), something somewhere is not happy.

Guess I need to find someone capable of rebuilding a diff.



Does anyone have a spare rear diff (2003 M13 engine, so should be a 3.909) so that I can keep on the road whilst re-building?

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Last edit: 05 Nov 2019 19:59 by mlines.

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06 Nov 2019 05:05 #215403 by Lambert
Oh no. That doesn't sound good. Is there a gearbox specialist near you, they should be able to help?

Dreadnaught (black 2011)

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06 Nov 2019 08:58 #215412 by mlines
Whoo-hoo

Thanks to Dave (S200 KYS) a temporary replacement diff is on its way from Wales. This will let me keep BigJImny on the road whilst learning how to dismantle and repair the one with the ARB in.

Martin

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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06 Nov 2019 18:53 #215426 by Daniel30
Nice :)

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