Crack in transmission

Tiny
YAZJAM
  • MEMBER
  • 1999 INFINITI I30
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 212,000 MILES
The driver side axle pop out had it changed drove the car with no problems then came back to car and notice transmission oil leaking call mechanic he said need to put axle shaft seal on but went to put it on today now tells me my transmission is crack I'm really puzzle how he didn't see this when changing the axle the first time can you explain how the crack happen its right at the bottom corner under where the axle goes into the transmission
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Sunday, February 7th, 2016 AT 10:13 AM

11 Replies

Tiny
YAZJAM
  • MEMBER
This is the crack in transmission what would cause this and how could mechanic take out old axle and put in new one wth out seeing the crack cause he telling me he didn't do it that it had to happen before he work on car and I knw that's not true because I had no leak like it is now
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Sunday, February 7th, 2016 AT 11:25 AM
Tiny
CARADIODOC
  • EXPERT
The most likely suspect was the spring broke inside the inner cv joint, then when it could no longer push the joint's housing into the transmission, that housing came out and pounded on the transmission case as it spun around. That alone would result in transmission fluid leaked out and sprayed all over the area. Anyone with common sense would not go looking for more than that, and in fact, 99 percent of the time a new $3.00 spring on Chrysler products, or a rebuilt half shaft on import cars would be all that's needed.

A conscientious mechanic who was looking out for your best interest would want to replace the seal right away, but many of us won't do that because we always get accused of trying to sell more parts and services than you think are needed. Perhaps half of the time they'll get lucky and the old seal is still okay. We are accused of fraud if we want to sell you a new seal, and we're called incompetent if we don't replace it and it leaks.

The sprayed-out transmission fluid will evaporate eventually so we typically don't make you spend more money for the time it takes to wash the area. With no reason to suspect further damage, a quick test drive is all that's needed to insure everything is working properly. A slow leak won't show up right away, but we expect you to return if that does occur so we can recheck our work. We hate having to tell customers more parts are needed and you can be sure we won't let you leave if we know there's a leak or other parts are going to cause a problem. We aren't psychic so just like doctors, we don't always see everything right away, but ignoring a known problem makes us look incompetent too.

You have one of those situations where an uncommon failure occurred that we normally don't have to go looking for. Unfortunately you DO have to come back a second time for us to dig deeper. Funny that we don't complain when we have to go back to our doctor multiple times for the same problem. Mechanics are held to much higher standards than are doctors.
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Sunday, February 7th, 2016 AT 11:27 AM
Tiny
CARADIODOC
  • EXPERT
Sorry, our replies overlapped.

That is much more severe damage than a flinging cv joint would cause. It would appear the car hit something, and if that shoved the engine / transmission to the side a few inches for just an instant, that would let the inner cv joint pop out of the transmission. This is the type of damage that typically occurs after sliding sideways into a curb or after driving over one of those miserable cement stops in a parking lot. I can't think of anything the mechanic could have done during the service to cause this.
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Sunday, February 7th, 2016 AT 11:38 AM
Tiny
YAZJAM
  • MEMBER
Ok I'm past blame jst wnt to knw how u couldn't see the crack when tkeing out old one or putting in new one
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Sunday, February 7th, 2016 AT 3:17 PM
Tiny
YAZJAM
  • MEMBER
Any suggestions or recommend where might can get a good transmission at reasonable price
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Sunday, February 7th, 2016 AT 3:22 PM
Tiny
HMAC300
  • EXPERT
Because the crack may have been on the inside and when new axle was installed it was ok for a little bit then broke when you saw the trans fluid leave a nice little path behind you as well as smoke on exhaust system that may have come out the back or from under hood.
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Sunday, February 7th, 2016 AT 3:23 PM
Tiny
YAZJAM
  • MEMBER
Ok so I have to replace the whole transmission or can the crack part be replaced
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Sunday, February 7th, 2016 AT 3:29 PM
Tiny
HMAC300
  • EXPERT
Probably a rebuild or get one from a junkyard
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Sunday, February 7th, 2016 AT 4:36 PM
Tiny
YAZJAM
  • MEMBER
Thanks
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Sunday, February 7th, 2016 AT 5:43 PM
Tiny
YAZJAM
  • MEMBER
Thanks I'm thinking about ordering one from used parts out of stockton ca it's a good price what you think says it have 1999 from 73,000 range to 132,000 etc
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Sunday, February 7th, 2016 AT 5:48 PM
Tiny
ASEMASTER6371
  • EXPERT
Try this web site

www. Car-part. Com good site

Roy
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Sunday, February 14th, 2016 AT 8:13 AM

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