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Transmission leak

Tiny
SHELBY5150
  • MEMBER
  • 2008 MAZDA 6
  • 2.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
My transmission is spitting fluid out of the access port on the Bellhouse while idling but not driving.
Saturday, January 8th, 2022 AT 7:41 AM

15 Replies

Tiny
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  • MECHANIC
  • 6,383 POSTS
Hello,

Can you upload a picture of where it is leaking from?
Is it from the fill plug on the top of the transmission (some of these do not have a dipstick).

Did you have this serviced recently?

Let me know what you get.
Thank you.
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Saturday, January 8th, 2022 AT 4:05 PM
Tiny
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I have not had it serviced at all. I just tried to fill it up with fluid and it still won't even go into 1st now. I will upload a picture in the morning when it is light out and I can get a good picture. Also this has a dipstick.
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Saturday, January 8th, 2022 AT 9:02 PM
Tiny
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Got it. I will look out for your upload.
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Saturday, January 8th, 2022 AT 9:06 PM
Tiny
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This is where it's coming from which is the access port to the torque converter. Before when it wouldn't shift all I needed to do is fill the Transmission fluid back up and it would drive fine. Well, today I filled it and put it in drive, and it won't move an inch forward.
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Sunday, January 9th, 2022 AT 5:48 PM
Tiny
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It almost appears a piece is missing on the housing, which is allowing all the fluid to come out. Do you know if the car ran over something or hit a rock of some kind?

Keep in mind that if there is little or no fluid the transmission will not shift. As it will not have any fluid pressure to do so.
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Sunday, January 9th, 2022 AT 6:50 PM
Tiny
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Okay, I understand that there is the rubber plug missing that covers that hole, but my question is When removing a transmission at the point of needed to access the torque converter bolts in the bellhousing "There should be no fluid coming from where you access each nut, correct?" So how many quarts does it take from completely empty in order for it to register and go into gear? Which seal could it be if it was coming from that hole?
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Monday, January 10th, 2022 AT 1:45 AM
Tiny
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That is correct, removing a cover from access hole will not make it leak fluid.
The leak could be from the torque converter seal or the converter itself can leak as well.

This transmission takes 8.6 quarts as the complete capacity. That includes all the fluid.
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Monday, January 10th, 2022 AT 8:13 PM
Tiny
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So, would you recommend replacing the whole transmission or pulling the torque converter and replacing that and the seal?
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Monday, January 10th, 2022 AT 8:47 PM
Tiny
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Well, that will depend on a few factors. Like if there is any other issue with the transmission?
If leaking fluid is the only problem, repairing that would be ideal.
However, if there are other issues like hard shifting or others then replacement or rebuilt might be the way to go.
So, it is all about the current condition/issues.
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Monday, January 10th, 2022 AT 9:01 PM
Tiny
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Could you send me a link for replacing the seal? Please and thank you.
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Tuesday, January 11th, 2022 AT 12:09 AM
Tiny
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Replacing the seal will require removal of the converter, to do that you will have to remove the transmission.
Look below for the seal replacement instructions.
If you need the transmission removal info just let me know.
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Tuesday, January 11th, 2022 AT 12:11 PM
Tiny
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Yes, please send that how to. Also do you have a video on the seal replacement by chance?
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Tuesday, January 11th, 2022 AT 6:12 PM
Tiny
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On this vehicle Mazda used 2 different transmissions.
FS5A-EL and AW6A-EI. One is 5 speed and other 6 speed automatic.
Do you know which one you have?
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Wednesday, January 12th, 2022 AT 8:46 AM
Tiny
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5 speed
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Wednesday, January 12th, 2022 AT 10:18 AM
Tiny
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I have attached the transmission replacement procedure below.
Any questions, feel free to let me know.
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Wednesday, January 12th, 2022 AT 1:53 PM

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