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Vehicles (17 Jan 2019)

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Replacement rear diff

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01 May 2018 12:03 #192320 by andypandy
Hi everyone, i'm a long time lurker with a 2005 VVT Jimny with an Auto gearbox.

It had a noisy diff when we bought it and its got gradually worse to the point now where there is significant backlash in the diff and more noise than before.

From the research i've done online it seems I need a 4.090 ratio diff and haven't had any luck finding one.

Does anyone know whereabouts I could source either a recon unit or failing that something secondhand?

I'm based in South Yorkshire.

Cheers,
Andy.

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02 May 2018 06:48 #192326 by j999pre
Replied by j999pre on topic Replacement rear diff
Hi Andy. I have a vvt rear diff. It's a 4.3. I will check my and see what diffs vvt autos have. I thought they were the same as manuals. The non vvt auto is a 4.0909

Gold Jimny the best colour (sold) :(

Big red Jimny now. 32" tyres, arbs, cage 5:1 transfer etc.

Also grey pick up nearly finished.
Turbo m13a, arbs, floating rear shafts, disc conversion rear, vented front conversion. 245 70 16. Winch, 3" lift, 4:16 trans hd shafts and CVS

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02 May 2018 07:48 - 02 May 2018 07:50 #192328 by yakuza
Replied by yakuza on topic Replacement rear diff


any Jimny diff from any auto Jimny should fit.

2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, 17%/87% high/low gears.
Attachments:
Last edit: 02 May 2018 07:50 by yakuza.

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02 May 2018 11:45 #192331 by andypandy
Replied by andypandy on topic Replacement rear diff
Thanks Guys, I had already figured out that I needed a 4.090 diff but can't seem to find one anywhere.

Might be going down the route of replacing the pinion bearings and see if that makes any difference.

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  • J999 MNY Bashing around Carlisle
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02 May 2018 18:02 #192338 by Riccy
Replied by Riccy on topic Replacement rear diff
Might as well replace the diff sidegear bearings and wheel bearings while its in bits, wouldn't be that much extra work and gives peace of mind ;-)

you could use 4.3 diffs if you changed both of them to match and used some larger tyres. it would work well.

J999 MNY, M16 VVT
R7me gbox & Rocklobster, 285 75 r16 Toyo MT, 2x ARB Lockd' diffs, 6.5" (total) lift, Recaro's, Custom bar, arches & guards, Snorkel, K&N, Winch, CB, etc, etc

SL06 ULS ULYSSES
06' pickup project

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www.youtube.com/user/riclemus

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11 May 2018 18:16 #192605 by andypandy
Replied by andypandy on topic Replacement rear diff
OK, so I ordered a bearing repair kit from www.rsmfg.co.uk but haven't heard anything from them. No answer on the mobile number provided on the website.

Does anyone know if they are still in business?

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  • Gen 3 Jimny
11 May 2018 19:26 #192606 by mlines
Replied by mlines on topic Replacement rear diff
I don't know if they are in business but I do know they were (are?) notoriously hard to get hold of but reliable

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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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