View Full Version : 4 Speed Auto Gearbox
garlino
07-04-2007, 07:53 PM
Hi everyone,
Got a couple of questions about the auto gearbox.
Recently picked up a late 2004 tw magna with the 4 speed tipshift gearbox.
Car has 35000ks on it and being only just over 2 years old im wondering if the gearbox is as smooth as it should be.
Traveling at above 60 kms (which seems to be the speed it needs to change to 4th) and slightly depressing the accelerator the car seems to jerk slightly from 4th to 3rd. The jerk isnt bad but being a newer car i would have thought this change to be very smooth. Every other gear change is smooth where you dont even notice them.
Is this a common thing for magna gearboxes as i heard they arent too intelligent and are a little rough?
It still has 3 years factory warranty but i would like to know if its a problem or im just being too picky.
Thanks in advance.
magnarama
07-04-2007, 07:56 PM
If you've driven an auto before, if your in 4th which is ur highest gear, you will jump down a gear to third if at 60km/h. Depends on how rough it is though. You should have factory warrinty on it still! So if you do have problem, you can make mitsu fix it :) (provided it was purchased initially in May or after :P
garlino
07-04-2007, 08:01 PM
Yeap it still has 3 years warranty... its a nov 04 model first registered in march 05.
Might have to take it to the service centre to get it check but just wanted to make sure before i do that it could be a problem and not a normal characteristic of a magna gearbox.
Thanks
Spackbace
07-04-2007, 11:25 PM
weird they put 5spd tippy boxes in 02-03 cars, yet then reused the 4spd tippy in the tw's :confused: tightass mitsubishi!
weird they put 5spd tippy boxes in 02-03 cars, yet then reused the 4spd tippy in the tw's :confused: tightass mitsubishi!
5spd tippys in 02-03 were only available to VRX/Sports and Veradas. Standard Magnas had
the standard 4spd auto until series to TJ runout which had the 4spd tippy which was then
carried over to TL and TW.
And to the OP, if you are only slightly depressing the accelerator at 60 and feeling a jerk is
it really going to 3rd? It could be the torque converter releasing lock. One way to test is to
drive in tippy mode upto 4th and holding steady at 60, depress the accelerator slightly. If
there is also a jerk than its the torque converter releasing lock. On the other hand, if there
is no jerk then the jerk in normal mode is the box changing down to 3rd. Generally speaking,
if at 60 and you only slightly depress the accelerator, it shouldn't force the box to kick
down to 3rd.
Traveling at above 60 kms (which seems to be the speed it needs to change to 4th) and slightly depressing the accelerator the car seems to jerk slightly from 4th to 3rd.
Apparently this can be fixed with new firmware for the gearbox.
Cheers,
Martin.
liberate
11-04-2007, 11:01 AM
magna gearbox's are pretty s***. They brake too easy!
garlino
11-04-2007, 12:40 PM
Ill have to try it next week when i get home.
But i am pretty sure it is changing from 4th to 3rd.
liberate: Thats what i hear everywhere which has made me think that this could be just normal since it is a crappy box. It is no where as smooth as a similar year model car.
Anyone else feel this in their tj/tl/tw?
Ill make sure to tell Mitsubishi at the next service.
Red Valdez
11-04-2007, 08:06 PM
I would definitely have it looked at.
I've got a 5 speed tippy in my 2001 TJ VR-X. We bought the car at 75,000 kms last Jan, it just ticked over 94k the other day. The auto's been a little rough. I thought to myself - sure, probably just due for a service (I think the fluid is supposed to be flushed every 50,000 kms, so it'd be coming up).
Took it to the Mitsu dealer to have it looked at today, and woah. They said that the fluid was so dirty, they had to flush the gearbox three times. They also found a small piece of metal floating in the oil too. Would have done wonders for the life of the gearbox....
$400 later, and my gearbox is a lot smoother. I didn't think it was too bad beforehand (I was going to wait until the 100k service but dad insisted otherwise), but it's noticably smoother now. I didn't think too much of the roughness beforehand it because it was still within the time frame for servicing, but I'll know not to make that mistake again.
My advice? If it doesn't feel right, get it looked at. If a mechanic looks at it and says everything's fine, that's a nominal fee to pay for peace of mind. On the other hand, you could have something wrong with it like I did - in which case, you'd be saving yourself a lot of money in the long run to have it fixed sooner rather than later.
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