Duramax Diesels Forum Truck of the Week
  #1  
Old 07-13-2018, 03:14 PM
BSchaefer BSchaefer is offline
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Default '01 LB7 Trans Fluid Leak

Its right by the tail housing and it seems to be coming from the top of the transmission. I'm not much of a transmission guy, so I'm hoping you guys could help out.
Here's a video I took of the leak. Pardon the shaky phone camera, its 101 outside. https://youtu.be/Jq7-orN9LWg
Side note: It goes into limp mode about 10 seconds after putting it in drive. I forgot which code it gave me, but if you need that, I'll get it.


Update: Code is P1711. The mileage on the engine and transmission is 217,000 miles approx. The engine and transmission are completely stock besides rebuilding the engine at about 212,000 miles. But there are no power modifications, and the truck hasn't been tuned.

Last edited by BSchaefer; 07-13-2018 at 05:50 PM.
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  #2  
Old 07-13-2018, 03:56 PM
48548 48548 is offline
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Looks like the adapter between the transfer case cracked... know issue i think.

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Old 07-13-2018, 03:57 PM
48548 48548 is offline
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See this...

https://r.tapatalk.com/shareLink?url...9&share_type=t

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Old 07-13-2018, 04:00 PM
48548 48548 is offline
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http://www.specialtytrans.com/specia...il_housing.htm

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  #5  
Old 07-13-2018, 05:29 PM
BSchaefer BSchaefer is offline
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Here's a couple pictures I took from above the frame. Thank you for your input 48548. Also the code is P1711 I believe. If you have any more information as to what you may think it could be now that I have provided the best photos I can get, that would be great.
Attached Images
File Type: jpg Screenshot_20180713-192232_Photos.jpg (105.7 KB, 19 views)
File Type: jpg Screenshot_20180713-192226_Photos.jpg (111.1 KB, 17 views)
File Type: jpg Screenshot_20180713-193635_Photos.jpg (145.8 KB, 17 views)

Last edited by BSchaefer; 07-13-2018 at 05:40 PM.
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  #6  
Old 07-13-2018, 05:42 PM
48548 48548 is offline
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I would not be driving it like that. I think the housing cracked on the top. Reach up and see what you can feel.

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