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Old 6-24-06, 18:14   #1 (permalink)
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Manual transmission leaking lots of gear oil!

Well I recently did an ATX-MTX swap along with the KLZE swap and now my tranny is leaking all of it's gear oil.

It's hard to figure out where it's coming from exactly... it's where the tranny meets the engine. Could it be coming from inside the bell housing? It runs down and drips off of the bottom where the dust shield is. mostly from the rear of the motor (firewall side). I'm pretty confused. Also when I start the car it won't leak but if I drive it then it will be streaming out when I stop.

Hope someone has some help.. I think I'll be dropping the tranny to have a better look.

1995 Green Mazda MX-6 LS ATX * R.I.P. *
1993 Black Mazda MX-6 LS ATX->MTX KLZE, ZE Eprom chip from Probinater
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Old 6-24-06, 18:40   #2 (permalink)
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your bell housing may have a crack by the diff. i had tha problem once
drove on it for like 6 months just kept filing it til i got my other tranny.but yea thats the only spot i can think of that it woud leak.

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Old 6-24-06, 23:46   #3 (permalink)
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if it were leaking into the bell housing wouldnt that mess up the clutch really bad???? id make sure your driveaxles are seated properly how fast does it leak out?

1994 MX-6 LS MTX,klze,thermoblok kit,ss headers,catco cat,borla cat back,poly motor mounts,kyb gr-2 struts,dropzone springs,bomz cold air intake,rr-racing unlimate STS,panasonic head unit,hifonics brutus amp(1200w rms!!),2-12" alpine type r subs its been a long and painfull journey ive put blood sweet and many of tears into my car and she aint pretty but she'll still cook a civic!!!
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Old 6-25-06, 1:48   #4 (permalink)
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the axles seem to be seated fine. it collects at the lowest point and streams off of it until most of it's gone then it settles to a drip.. this is so frustrating

1995 Green Mazda MX-6 LS ATX * R.I.P. *
1993 Black Mazda MX-6 LS ATX->MTX KLZE, ZE Eprom chip from Probinater
http://www.cardomain.com/ride/759051
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Old 6-25-06, 12:32   #5 (permalink)
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the bell housing does nothing more than mate the transaxle to the engine. it doesn't act like a seal for the transaxle at all. where did this come from?

if the leak looks like it's coming from inside the bell housing, then you most likely have a leaking oil seal at the input shaft. the tranny has two such seals, one at the input shaft, and the other at the shift rod. replacing a leaking input shaft seal will require dismantling of the transaxle and unless you've done this before, it's best left to the professionals [which also means it's going to cost a bit of money as well].

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Old 6-25-06, 12:41   #6 (permalink)
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it can leak out of various sensors on the tranny as well, make sure they are tight.


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Old 6-25-06, 17:01   #7 (permalink)
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What do you mean by dismantling the transaxle?? Thanks for the help guys.

1995 Green Mazda MX-6 LS ATX * R.I.P. *
1993 Black Mazda MX-6 LS ATX->MTX KLZE, ZE Eprom chip from Probinater
http://www.cardomain.com/ride/759051
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Old 6-25-06, 19:13   #8 (permalink)
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Quote:
Originally Posted by DeathOmen
What do you mean by dismantling the transaxle?? Thanks for the help guys.
i meant exactly that. tearing it down and repairing the oil seal on the input shaft. if you want, also check the various sensors and replace the o-rings on them and the crush washers on the fill and drain plugs. since you said it wasn't leaking at the axles, there shouldn't be a need to replace the axle seals.

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Old 6-25-06, 23:32   #9 (permalink)
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I still don't understand, do you mean drop the transmission? I plan to do that this week. I'll check the sensors as well. I hope it's the seal on the input shaft. Thanks a ton guys.

1995 Green Mazda MX-6 LS ATX * R.I.P. *
1993 Black Mazda MX-6 LS ATX->MTX KLZE, ZE Eprom chip from Probinater
http://www.cardomain.com/ride/759051
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Old 6-25-06, 23:51   #10 (permalink)
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Quote:
Originally Posted by DeathOmen
I still don't understand, do you mean drop the transmission? I plan to do that this week. I'll check the sensors as well. I hope it's the seal on the input shaft. Thanks a ton guys.
okay, please don't take this as rude, but what part if DISMANTLE was not understood? please check the definition of dismantle for further clarification.

you will need to take apart the transaxle [proper term] to replace the input shaft seal. that means YOU HAVE TO TAKE IT OUT OF THE CAR AND TAKE IT APART.


does that help you understand it a little better?

damon™

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Old 6-26-06, 6:55   #11 (permalink)
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I know what dismantle means, what I don't know is what is the transaxle? I'm assuming it's the part inside the bell housing that goes through the clutch. I'm still a newbie when it comes to this stuff but I'm learning.. I did just do an engine swap along with an auto to manual conversion with no prior experience.

Thanks again for the help. I'll start dropping the trans. on tues. and let you know how it goes.

1995 Green Mazda MX-6 LS ATX * R.I.P. *
1993 Black Mazda MX-6 LS ATX->MTX KLZE, ZE Eprom chip from Probinater
http://www.cardomain.com/ride/759051
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Old 6-26-06, 7:04   #12 (permalink)
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transaxle=transmissions in FWD cars and you dont have a trans anymore now its a gearbox and on an engine with the transaxle removed that shaft coming out of the engine block thats an output shaft and the hole in the transaxle that that goes into the input shaft and if thats leaking it would be best to take it to a shop to have the inputshaft seal replaced you might have serious problems!! with your transaxle good luck!

1994 MX-6 LS MTX,klze,thermoblok kit,ss headers,catco cat,borla cat back,poly motor mounts,kyb gr-2 struts,dropzone springs,bomz cold air intake,rr-racing unlimate STS,panasonic head unit,hifonics brutus amp(1200w rms!!),2-12" alpine type r subs its been a long and painfull journey ive put blood sweet and many of tears into my car and she aint pretty but she'll still cook a civic!!!
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Old 6-26-06, 11:23   #13 (permalink)
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if im not mistake you can change the seal without the trans being thakin apart. at least thats what the repair manuals say anyways.

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