# Mata transmission leaking oil from weep hole. Why?

**URL:** <https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671>\
**Category:** Maintenance/Repairs\
**Created:** [January 13, 2015, 9:20am UTC](https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671 "2015-01-13T09:20:34Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![almostdave](https://avatars.discourse-cdn.com/v4/letter/a/65b543/32.png) [@almostdave](https://community.cartalk.com/u/almostdave)\
**Post date:** [January 13, 2015, 9:20am UTC](https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671/1 "2015-01-13T09:20:34Z")

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Mata transmission leaking oil from weep hole. Why?

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**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\
**Post date:** [January 13, 2015, 9:22am UTC](https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671/2 "2015-01-13T09:22:44Z")

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What’s a “Mata”?

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**Author:** ![the\_same\_mountainbike](https://avatars.discourse-cdn.com/v4/letter/t/c89c15/32.png) [@the\_same\_mountainbike](https://community.cartalk.com/u/the_same_mountainbike)\
**Post date:** [January 13, 2015, 9:31am UTC](https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671/3 "2015-01-13T09:31:28Z")

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Did you mean Miata?

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**Author:** ![ok4450](https://avatars.discourse-cdn.com/v4/letter/o/e9bcb4/32.png) [@ok4450](https://community.cartalk.com/u/ok4450)\
**Post date:** [January 13, 2015, 10:07am UTC](https://community.cartalk.com/t/mata-transmission-leaking-oil-from-weep-hole-why/88671/4 "2015-01-13T10:07:14Z")

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Are you talking about a weep hole at the lower front of the transmission? If so, any oil leak out of there is going to be caused by a faulty transmission mainshaft seal, leaking nose cone plate seal on the transmission, or possibly an engine rear main seal.