What did you do to your NBS GMT800 Tahoe/Yukon Today?

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SnowDrifter

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Oil, filter, drain/fill the trans pan. Through the dipstick because I don't disconnect the cooler lines and cross my fingers nothing is run dry and ***** up like a hack

Ended up having to use a bottle of 5w20 because the store was out of 5w30. And Napa was being a bastard with my usual 0w30 saying it wasn't in sale when it really was. Bleh. I defo prefer the 0w30. This stuff has 5psi greater pressure when cold and about 3psi lower when hot, though the hot is a bit difficult to judge because it has a quart of 20 weight in the mix that could be thinning it down. Not sweating it too much for the summer but I'm definitely going to swap back over for the winter.

Also had an errant service 4wd message for maybe 15 seconds. Went as fast as it came, ran through and verified all my various 4wd settings operate. Selector switch was lit in 2wd as selected but would not switch to either auto or 4x4 while the message was displayed.

Scanned for stored codes and found none so like.... Who knows?

20190526_132110.jpg
 

CJ Rodarme

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Oil, filter, drain/fill the trans pan. Through the dipstick because I don't disconnect the cooler lines and cross my fingers nothing is run dry and ***** up like a hack

Ended up having to use a bottle of 5w20 because the store was out of 5w30. And Napa was being a bastard with my usual 0w30 saying it wasn't in sale when it really was. Bleh. I defo prefer the 0w30. This stuff has 5psi greater pressure when cold and about 3psi lower when hot, though the hot is a bit difficult to judge because it has a quart of 20 weight in the mix that could be thinning it down. Not sweating it too much for the summer but I'm definitely going to swap back over for the winter.

Also had an errant service 4wd message for maybe 15 seconds. Went as fast as it came, ran through and verified all my various 4wd settings operate. Selector switch was lit in 2wd as selected but would not switch to either auto or 4x4 while the message was displayed.

Scanned for stored codes and found none so like.... Who knows?

View attachment 223821
I’ve been having weird issues with the 4wd message too. But it always goes away so I’m not too worried
 

dszx13

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Moved it to the shop finally. Gonna pull the heads tmw maybe. Picked this up for 40 bucks. Anyone know if the tube will work with a factory box??c61469ffde68a015376d44b4072af68e.jpg


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915_Tahoe

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Moved it to the shop finally. Gonna pull the heads tmw maybe. Picked this up for 40 bucks. Anyone know if the tube will work with a factory box??c61469ffde68a015376d44b4072af68e.jpg


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great find, compare them side by side
 

CJ Rodarme

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CJ rodarme.... I LOVE those trucks!! ( I wish I had room to resto one myself).....

K & N filter mod...... I can never understand the design vs cost..... You are still getting hot air from under the hood.
It’ll be a different truck in a month lol just wait. New wheels and tires next weekend and a new motor in the next 2-3 weeks
 

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