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

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S33k3r

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Merry Christmas!
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Tonyrodz

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Was taking the Hoe to MV, around the corner from my house I lost forward overdrive--wouldn't move in any other gears. Fluid is still pinkish/reddish, not burnt. Then it finally decided to move. Drove fine on the highway, so idk. I hope the transmission isn't calling it quits. No cel either.
 

mountie

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Was taking the Hoe to MV, around the corner from my house I lost forward overdrive--wouldn't move in any other gears. Fluid is still pinkish/reddish, not burnt. Then it finally decided to move. Drove fine on the highway, so idk. I hope the transmission isn't calling it quits. No cel either.
A week or so, ago, I was doing a 'medium' acceleration / right turn on a 60mph highway. Outside my window I heard a high-pitch whine. Not loud, but I heard it..... It went away in 200 feet. I heard again for a moment, ...but I haven't heard it since then.... I wonder if the sound is a warning?
 

Tonyrodz

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A week or so, ago, I was doing a 'medium' acceleration / right turn on a 60mph highway. Outside my window I heard a high-pitch whine. Not loud, but I heard it..... It went away in 200 feet. I heard again for a moment, ...but I haven't heard it since then.... I wonder if the sound is a warning?
Yup, I'd definitely say it is. Checked your fluid level and color? How many miles?
 

Tonyrodz

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Fluid / color good ( fluid-filter changed only 2 months ago when the rear main seal was replaced)
173,000 on the clock. ( I am not panicking...... my mechanic's dad is a transmission surgeon at his shop. ( the cost?..... It is, what it is )
Is it the stock trans? Ever been rebuilt before? If not they usually go around 150k.
 

S33k3r

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A week or so, ago, I was doing a 'medium' acceleration / right turn on a 60mph highway. Outside my window I heard a high-pitch whine. Not loud, but I heard it..... It went away in 200 feet. I heard again for a moment, ...but I haven't heard it since then.... I wonder if the sound is a warning?
Dumb question, but could it be the power steering pump? It just seems like what you heard is a symptom for so many different things that you wouldn't want to jump straight to the transmission.
 

latvius

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Dumb question, but could it be the power steering pump? It just seems like what you heard is a symptom for so many different things that you wouldn't want to jump straight to the transmission.
Was thinking same thing, I noticed mine at a turn and found out it was low. I have a small leak somewhere.
 

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