What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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cmatt

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Does this work for front or back? I know the weights are different between the two.
My 2012 owners manual does say 80w90 for the front, but I’ve used 75w90 synthetic on multiple GM front diffs over the years and haven’t had any issues.


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Fless

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Just went from this.

No functions worked and buttons were illuminated all the time.

bdbc803e71848646d9cd6731f550b7b6.jpg

To this.

8706b147e27cf02f3742ba7f106c74a2.jpg


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Tear apart the old one and see if it can be repaired. Reflow solder, etc. Dissection time...
 

cmatt

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10-4099 is the same as 10-4016? Just gallon? How was it using the gallon? Did you use a pump?
I believe it is the same, just different size containers. It’s on order and should arrive tomorrow I think.


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cmatt

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Tear apart the old one and see if it can be repaired. Reflow solder, etc. Dissection time...
Lol, in progress. Looks like a soft drink was spilled on it. Don’t see any obvious damage so far.


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