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No 4th gear in my auto
- Robandkath
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17 Sep 2017 08:39 #184185
by Robandkath
No 4th gear in my auto was created by Robandkath
Hi everyone new to site and to the jimmy I bought a 09 jimmy which won't go into 4th gear all other gears and 4 wd work fine I've checked the levels changed solinoids for 1 to 4 no difference so also stripped down the valve body pulled it all apart cleaned it which it wasn't dirty and no sings of anything blocked does anyone have any ideas what it could be cheers
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- 1066Boy
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17 Sep 2017 09:07 #184186
by 1066Boy
Replied by 1066Boy on topic No 4th gear in my auto
Hi Rob, welcome to the club. Don't know a lot about the auto jimnys but I had a similar problem with my Shogun. Drained the old fluid out, flushed it and cleaned the filter. With new good quality fluid the problem was gone. Maybe just fluke but it worked for me. I think the main culprit was the filter as it was bad but the fluid was very dark as well. Good luck and hope you solve it.
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17 Sep 2017 09:26 #184189
by 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
Replied by kirkynut on topic No 4th gear in my auto
Have you tried new transmission fluid or just put the old stuff back in?
I'm guessing that if you can strip and rebuild an auto transmission you know what burnt fluid looks like but thought I'd best ask!
Kirkynut
I'm guessing that if you can strip and rebuild an auto transmission you know what burnt fluid looks like but thought I'd best ask!
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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- Robandkath
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17 Sep 2017 10:28 #184191
by Robandkath
Replied by Robandkath on topic No 4th gear in my auto
Yeah put new fluid in the old stuff didn't look to bad it's the first box I've done wondering if it could be a electrical fault ?
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17 Sep 2017 18:23 #184200
by 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
Replied by kirkynut on topic No 4th gear in my auto
I think it must be electrical as you've asked covered everything else!
I wouldn't know where to start on an auto!
I had a vibration on my Beemer's auto box and changed the oil and it was fixed. That oil was burnt and black though.
Kirkynut
I wouldn't know where to start on an auto!
I had a vibration on my Beemer's auto box and changed the oil and it was fixed. That oil was burnt and black 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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- OllieNZ
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17 Sep 2017 20:10 #184206
by OllieNZ
You need to get your hands on the suzuki service manual and wiring diagrams.
First place to start would be the trouble shooting guide as not selecting 4th could be a failsafe mode for a certain fault (maybe a gear selector/lever issue)
If you've not got a multi meter get one.
I'd move on to basic voltage/continuity/resistance checks.
Last resort would be to get a spare tcm to swap in.
A few ideas to start.
Gear lever position, could be a mechanical adjustment issue or the position sensor itself.
Any exposed earth points for corrosion.
All connectors for corrosion, bent pins etc.
Rpm sensors, the jimny trans is a modern design and will have 2 maybe 3 rpm sensors for measuring torque converter and clutch pack slippage.
Good luck.
Replied by OllieNZ on topic Re:RE: No 4th gear in my auto
Sounds like it.....Robandkath wrote: Yeah put new fluid in the old stuff didn't look to bad it's the first box I've done wondering if it could be a electrical fault ?
You need to get your hands on the suzuki service manual and wiring diagrams.
First place to start would be the trouble shooting guide as not selecting 4th could be a failsafe mode for a certain fault (maybe a gear selector/lever issue)
If you've not got a multi meter get one.
I'd move on to basic voltage/continuity/resistance checks.
Last resort would be to get a spare tcm to swap in.
A few ideas to start.
Gear lever position, could be a mechanical adjustment issue or the position sensor itself.
Any exposed earth points for corrosion.
All connectors for corrosion, bent pins etc.
Rpm sensors, the jimny trans is a modern design and will have 2 maybe 3 rpm sensors for measuring torque converter and clutch pack slippage.
Good luck.
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