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BigJimny Meet 2019 (17 May 2019)

BigJimny Meet and off-road driving day



20TH OCTOBER 2019

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Noggin and Natter - pre-event chat - Old Bell at Grazeley (part of hotel) 7:30pm 19th October

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Gearbox whine and woes!!!! '05 plate VVT

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19 Aug 2019 16:42 #212309 by eddlane
Hey guys,

So it seems like my Jimny is determined to collect the whole set of generic issues that could possibly affect Jimny's......


I think something is up with the gearbox, I have no mechanical knowledge and this would be a garage job.

Basically its got a really loud sort of whine, like the usual gearbox whine but much louder, it happens more when I'm going faster but the odd thing is it seems to stop when it has warmed up (or at least improve) and it also still whines whilst I am in neutral and also it still whines with the clutch down.

I took it to my mechanic and he couldn't figure it out, suggesting I contacted a specialist who may of seen it before.

The specialist instantly said bearings and then said that will be £600 job plus £175 for removing the box plus £100+ for a new clutch.

I nearly cried I don't have anywhere near that sort of money.

So, the next solution is try and find a second hand box and my mechanic will fit it for me.

Are these a nightmare to find and how do I know which box I need?

Someone please help!! This Jimny is the most expensive car I've ever bought and I love it but it's cost me a fooooorrrttuuuuuune this year what with an incurable death wobble and other woes and now this!!!


Thanks all.

Hope you can help.

Edd

Bob - 2005 Jimny - standard, for now.....

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19 Aug 2019 16:50 - 19 Aug 2019 16:52 #212311 by mlines
Sorry to be the bearer of bad news but a replacement gearbox will be at least as expensive as getting the old one fixed.

These boxes have known issues and the scrap parts market knows it, so they charge the earth for a second hand box of dubious origin. Watch out for "refurbished" boxes where all they have done is given it a coat of paint

I would look at a rebuild with you doing some of the work. For example my local gearbox specialist used to charge £350 for the box rebuild if you had already removed it from the car etc

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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
Last edit: 19 Aug 2019 16:52 by mlines.

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19 Aug 2019 16:53 #212312 by eddlane
Thank you!

Yes, my only worry is I don't know enough about it to know that it is definitely the gearbox causing the issue, I'd hate to spend so much money to find out its the clutch or the transfer box or something like that.

That company said it would be £600 if I removed it myself and then still plus clutch.

Thanks for the reply!

Bob - 2005 Jimny - standard, for now.....

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19 Aug 2019 17:01 #212313 by mlines
Is it worse in 3rd and 4th gear

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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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19 Aug 2019 17:22 #212314 by eddlane
Yeh I think I noticed it being worse in 4th, at low speeds you can't really notice it in the first few gears as soon as you start going above 30-40mph ish and into the higher gears it does it. Its just weird it gets better when warm and if its gearbox would it still do it in neutral and with the clutch depressed? The clutch also feels a bit weird when I press it down when it makes the noise, kind of like gritty at a certain point with some vibration through the pedal I think.

Bob - 2005 Jimny - standard, for now.....

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19 Aug 2019 17:30 #212315 by Riccy
Typically the rear prop starts to leak first at the gearbox end, so have a look at the prop joining the gearbox to transfer box.

If its all oily at the gearbox end then it is likely gearbox. If its all nice and dry then try getting a new clutch fitted first (that should be less than £200 all in) ;-)

If the transfer box is all oily, they are about £100-200 to replace 2nd hand and an easy diy job to fit.

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19 Aug 2019 18:40 #212319 by eddlane
Thank you!

I will check that out, are there any diagrams or anything showing me which bits are which? Sorry total newb.

Another question, if I get the clutch fitted new and then it turns out to be gearbox after all, can I keep that new clutch or do I then need to get another another new clutch? You know what I mean!?

And when it comes to gearbox, do I ask for bearings to be done or a gearbox rebuild, what's the difference in job/price?


Cheers!

Bob - 2005 Jimny - standard, for now.....

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19 Aug 2019 18:49 #212320 by Riccy
The new clutch would be OK to re-use. A mechanic might be funny about it but it is new after all...

If you need to have the box rebuilt (best option in my opinion if it is that), you should ask for a complete new sealed bearing kit to be fitted, which I think is standard for gearboxes from 2009-10 onwards (if you are looking for a spare box). Others will know better, but that seems to be the common issue.

Worth looking up Sniper's posts on this forum, he mentioned rebuilding gearbox at a garage for a good price recently (£400?) ;-)

J999 MNY M16 VVT
R7me gbox & 5.16 Rocklobster, 33" Toyo MT, 2x ARB Locker diffs, 7" lift, Recaro's, etc

SL06 ULS ULYSSES M18 VVT
Pickup/tipper, R7me gbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB Locker diffs, 4" lift, OMP seats, Poly bushd', Caged, etc

www.youtube.com/user/riclemus

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20 Aug 2019 07:49 #212350 by kirkynut
The clutch will not cause the whining you are suffering.

I think it's definitely a gearbox re-build to replace the bearings that these suffer with. Messing about with the clutch only is just costing you extra labour.

The only reason that the mechanic is saying to replace the clutch is that you always do when you take the gearbox off as it's so labour intensive to get that far that it would be silly not to do so, unless you know it's relatively new.

The last thing you want is to have to replace the clutch in 6 months and pay all that labour again!

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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20 Aug 2019 08:00 #212356 by eddlane
Thank you!

Just making a few calls now to get some prices.

So a new complete sealed bearing kit (and clutch).

I'm only hesitating because I'm worried that if it's not the gearbox it's a whole lot of money if it still makes this noise. It must be though, although I can't see any leaking oil at propshaft end.

Bob - 2005 Jimny - standard, for now.....

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20 Aug 2019 08:17 #212363 by kirkynut
It can only be the gearbox though. The transfer box on those doesn't whine unless it's lost its oil as is the case with the rear diff and you have issues with gear changes.

It's crap but seems to be the problem.

I'm afraid that you bought a Jimny from a period that they suffered from this issue. Before 2005 and 2010 onwards are fine. Hindsight is no good to you now though.

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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20 Aug 2019 08:19 #212364 by eddlane
That's alright mate, I appreciate the help.


Just got a quote near me in Exeter for £894, that's £500 bearing rebuild £150 box in and out and £144 for a clutch.

Looking at a post a few months back by sniper he paid £827 in sheffield so that doesn't seem to unreasonable?

Now to ask the god of credit card if he say yes.

Bob - 2005 Jimny - standard, for now.....

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