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Automatic gearbox advice..

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23 May 2020 07:58 #222710 by kirkynut
Replied by kirkynut on topic Automatic gearbox advice..

zukebob wrote: The auto should be at about 3000 RPM for 60 mph and 3400 RPM for 70 mph. Not being entirely stock I had to go back and check my original numbers in the Grim Jeeper website. The manuals are a bit lower geared and the numbers he gave are about right for the manual.

Output shaft speed sensor?



Not sure if your 188700 is the same code


Sorry Zukebob, I didn't see your reply as I was off Googling.

Whilst I have no experience with the auto Jimny, these figures seem a little low.

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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23 May 2020 08:24 #222713 by zukebob
Replied by zukebob on topic Automatic gearbox advice..
No problem Kirkynut. To be honest, I was hoping that Lambert would come back around to the thread. I think he has an auto that is stock and could confirm RPMs. I was always a little shocked at the difference myself.

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

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23 May 2020 08:32 #222715 by kirkynut
Replied by kirkynut on topic Automatic gearbox advice..

zukebob wrote: No problem Kirkynut. To be honest, I was hoping that Lambert would come back around to the thread. I think he has an auto that is stock and could confirm RPMs. I was always a little shocked at the difference myself.


He's never far away! He's probably out in a field!

Lambert! Where are you dear Sir?

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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  • The quickest Jimny in Harrogate...(that I own)
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23 May 2020 09:55 #222721 by Lambert
Replied by Lambert on topic Automatic gearbox advice..
Whatcha. No it's not happy .70 in top is about 3400 ish from memory and 60 is just over 3000. That said I don't daily the spare Jimny and it's been a while since I drove it at speed but it's a much calmer time than the manual in Dreadnaught.

Dreadnaught (black 2011)

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23 May 2020 11:19 #222723 by Jcg1694
Replied by Jcg1694 on topic Automatic gearbox advice..
Morning guys. Gonna see if i can locate the transmission speed sensor and give it a clean and more than likely replace anyway, thanks for all the replies and advice! Planning on roadtripping in the jimny when all this lockdown is over with so needs to be tip top!

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23 May 2020 16:34 #222745 by RainerK
Replied by RainerK on topic Automatic gearbox advice..
In the pictures you can see the rpms at about 100kmh so about 62mph of my 2015 automatic.

In 3rd gear they are 4800rpm and in 4th 3000rpm. I drove about 105kmh because the odometer shows a little too much.
Attachments:

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23 May 2020 16:42 #222747 by Jcg1694
Replied by Jcg1694 on topic Automatic gearbox advice..
Thanks mate, will replace the sensor and see how that goes!

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23 May 2020 17:13 #222749 by Andyhereford
Just to confirm above. 2004 automatic. About 3000 rpm at 60 - 65. The “ warm up suggestion” a bit of a red herring. Only takes about five minutes driving on a cold day to get the engine / gear box up to the correct operating temperature. Your idea of a faulty sensor seems correct.

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23 May 2020 18:54 #222754 by Jcg1694
Replied by Jcg1694 on topic Automatic gearbox advice..
Fingers crossed mate, will give it a quick clean tomorrow see if that helps and then if not ill get one ordered

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