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Auto transmission assistance needed

  • jwb
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18 Jun 2018 09:51 #193570 by jwb
Jimny 2000 M13A Auto 250k km
Daughter's car and was driving and suddenly had severe jolting in drive train making the car undrivable.
I've got to look at it.
When started we heard a much louder than normal running sound - not engine.
Drove off and transmission seemed to slip excessively then had the violent jolting, likely at gear change.
Car drives ok in Low or Second and reverse but slipping on acceleration. Couldn't get the jolting to happen again but didn't go too far.
When idling in neutral there's a steady ticking coming from one of the ECU's under the glovebox.
History - had the car for 18months, had some rough gear changes in the past so regularly change ATF with good quality semi-synthetic which smoothed the changes. Drained fluid was cloudy.
Are these units serviceable.
Any advice appreciated including more things to check.

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19 Jun 2018 00:56 #193600 by zukebob
I don't think you have more things to check. Unfortunately, the auto transmission in the Jimny is one of the weak points in the drive train. I'm not bashing the autos as mine is an auto.

I don't believe genuine Suzuki rebuild kits are available. You can order separate parts from Suzuki (or Martin on this site) but that would be fairly expensive. Ebay has kits from China. You would need to do a search there for a kit for a TW-40E transmission. Can't say what the quality is like.

Another option you may want to pursue is a secondhand unit. If you are in the UK, I'm not sure how much they cost there. They are fairly reasonable here.

Hope that helps at least a little. Perhaps some of the others on the forum can add some more (better) information.

I started out with nothing & still have most of it left
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20 Jun 2018 03:58 #193650 by jwb
Replied by jwb on topic Auto transmission assistance needed
Thanks for your advice. I had feared as much.

Looking for rebuild kits I came across this at Cobra Transmissions.

Jimny .7/1.3L 4 RWD/AWD 2000-2004 A174
Jimny .7/1.3L 4 RWD/AWD 2004-2011 TW-40E

Ours is a 2000 M13A so A174 type is recommended not TW-40E.
Do you concur?

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20 Jun 2018 04:56 #193652 by zukebob
Yes. Sorry. For the earlier models (actually I think 1998 to 2004) the kit for the A174 is what you would need.

I much prefer the autos and hope the fix gets your daughter back on the road.

I started out with nothing & still have most of it left
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09 Jul 2018 06:51 #194128 by jwb
Replied by jwb on topic Auto transmission assistance needed
Will a transmission from a VVT engine Jimny fit our M13A?

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09 Jul 2018 07:20 - 09 Jul 2018 07:26 #194129 by zukebob
You were correct on the transmission for the 2000 year model but isn't the engine a G13?

Edit: Actually 2000 I think is when they introduced the M13 into the Jimny. Unless someone on the forum knows the answer, let me do some research. Aside from the physical interface, you may have some controller issues as well.

I started out with nothing & still have most of it left
Last edit: 09 Jul 2018 07:26 by zukebob.

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09 Jul 2018 07:23 #194130 by jwb
Replied by jwb on topic Auto transmission assistance needed
Definitely M13A apparently at some stage in 2000 it changed. Not sure of the build date. I found out when I needed to replace the rocker cover gasket.

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09 Jul 2018 07:26 #194131 by zukebob
beat me to the reply.

I started out with nothing & still have most of it left

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09 Jul 2018 07:59 #194132 by zukebob
Maybe I should simply answer "no".

Physically fitting the transmission should be possible. The mounts are likely different. You would want to confirm that the early Jimny M13 and the later VVT used the same flywheel. Interfaces for the transmission control modules and yours are a bit different and that would need to be worked out. All of the issues should be able to be overcome but at a cost. Probably best to keep looking for a decent condition A174.

Was the rebuild out of the question?

I started out with nothing & still have most of it left

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09 Jul 2018 22:59 #194150 by jwb
Replied by jwb on topic Auto transmission assistance needed
Looking at the rebuild option. It's not cheap. Jimnys are not very common in Australia so finding a used A174 transmission is hard to come across as well.
It's a good way to learn about the car and we figure if the transmission is re-built we'll get some good years out of the rest.

My other cars are Land Rovers so quite used to being a mechanic!

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10 Jul 2018 06:29 #194157 by zukebob

jwb wrote:
My other cars are Land Rovers so quite used to being a mechanic!


I think others on the forum will relate to that comment.

If you are in Australia, and decide on a shop's help, you may want to become a part of the Auszookers forum at:
www.auszookers.com/forum/index.php?sid=0...bc90da75a461cb5944ac
Members could probably provide some suggestions on where to take it.

If you are going to take a crack at it yourself, you could go with the kit you mentioned and could probably get any other parts from Martin (mlines).

I'm glad the transmission problem hasn't discouraged you. Good luck.

I started out with nothing & still have most of it left

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