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

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Tonyrodz

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While getting food, my check engine light came on and it said service stability track. Got home, popped the hood and the air filter from my intake came off. Scanned the code and it was p106
Manifold Air Pressure (MAP) Barometric Pressure Sensor Electric Circuit Output Range and Performance Problem.

Put the air filter back on, cleared the code, ran it for about a minute, no check engine light. Hope that was the issue.
For stability? Weird.
 

George B

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Oil change because it wasn’t done before I bought it.

lots of lash in the front diff pinion. Pattern doesn’t look good. At least not to my untrained eye.

7EE989B6-FDDD-4926-8A57-ADFD4A5F9F32.jpeg
 
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Doubeleive

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For stability? Weird.
ya the maf sensor data controls a bunch of stuff including how the transmission shifts, so if unmetered air is getting sucked in it can cause all kinds of problems, the newer trucks are even more picky on my 2018 if I even take a plastic sleeve out of the cai it gives me a lean code bank 2 and makes it shift weird.
 
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I replaced all of the peanut bulbs in the headlights and tail lights (168 bulbs I think). I noticed the driver's side brake light wasn't working. Decided to check the bulbs and found out all 3 bulbs on the driver's side were dimmer than the right. Pulled the bulbs to check them and found after removing the top bulb, all the running lights died... Found a bad repair on the body side of the harness and fixed it. Put the tail light in before testing (because that's how you fix things right?) Bulbs were still dim. It looks like somebody bypassed the connector ground wire all together previously and they didn't fix it after fixing it poorly on the body side of the harness (it pulled out and didn't have any heatshrink either). Anyways... wiring is fixed and all the bulbs are working again.

I glued in the mounting screws in the license plate bulb holder panel since they were all spun out of the housing and it was rattling like crazy. Also replaced the glass release button since it had already fallen apart.

Changed the oil with some Rotella and a WIX filter to see the condition of the engine. Not an abnormal amount of metal or anything.

Disassembled the driver's window switch to see if the contacts are dirty like some of the truck switches I've seen in youtube videos. They were not and my driver's window switch still doesn't work at the moment. I'm assuming the switch anyways. The motor works when direct powered. All of the other windows work with the driver's door switch... Still figuring out that one.

Installed a new rear wiper arm and cleaned off the motor splines after prying off the corroded old wiper lug.

I stapled the air box back together and knocked the dust off the old filter since I don't have a new one yet.

20200520_115533.jpg 20200520_161237.jpg 20200520_172742.jpg 20200519_121251.jpg 20200519_123806.jpg
 

Rocket Man

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I replaced all of the peanut bulbs in the headlights and tail lights (168 bulbs I think). I noticed the driver's side brake light wasn't working. Decided to check the bulbs and found out all 3 bulbs on the driver's side were dimmer than the right. Pulled the bulbs to check them and found after removing the top bulb, all the running lights died... Found a bad repair on the body side of the harness and fixed it. Put the tail light in before testing (because that's how you fix things right?) Bulbs were still dim. It looks like somebody bypassed the connector ground wire all together previously and they didn't fix it after fixing it poorly on the body side of the harness (it pulled out and didn't have any heatshrink either). Anyways... wiring is fixed and all the bulbs are working again.

I glued in the mounting screws in the license plate bulb holder panel since they were all spun out of the housing and it was rattling like crazy. Also replaced the glass release button since it had already fallen apart.

Changed the oil with some Rotella and a WIX filter to see the condition of the engine. Not an abnormal amount of metal or anything.

Disassembled the driver's window switch to see if the contacts are dirty like some of the truck switches I've seen in youtube videos. They were not and my driver's window switch still doesn't work at the moment. I'm assuming the switch anyways. The motor works when direct powered. All of the other windows work with the driver's door switch... Still figuring out that one.

Installed a new rear wiper arm and cleaned off the motor splines after prying off the corroded old wiper lug.

I stapled the air box back together and knocked the dust off the old filter since I don't have a new one yet.

View attachment 247931 View attachment 247932 View attachment 247933 View attachment 247934 View attachment 247935
Got lots of stuff done then. Nice.
 

Kee Fuller

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I replaced all of the peanut bulbs in the headlights and tail lights (168 bulbs I think). I noticed the driver's side brake light wasn't working. Decided to check the bulbs and found out all 3 bulbs on the driver's side were dimmer than the right. Pulled the bulbs to check them and found after removing the top bulb, all the running lights died... Found a bad repair on the body side of the harness and fixed it. Put the tail light in before testing (because that's how you fix things right?) Bulbs were still dim. It looks like somebody bypassed the connector ground wire all together previously and they didn't fix it after fixing it poorly on the body side of the harness (it pulled out and didn't have any heatshrink either). Anyways... wiring is fixed and all the bulbs are working again.

I glued in the mounting screws in the license plate bulb holder panel since they were all spun out of the housing and it was rattling like crazy. Also replaced the glass release button since it had already fallen apart.

Changed the oil with some Rotella and a WIX filter to see the condition of the engine. Not an abnormal amount of metal or anything.

Disassembled the driver's window switch to see if the contacts are dirty like some of the truck switches I've seen in youtube videos. They were not and my driver's window switch still doesn't work at the moment. I'm assuming the switch anyways. The motor works when direct powered. All of the other windows work with the driver's door switch... Still figuring out that one.

Installed a new rear wiper arm and cleaned off the motor splines after prying off the corroded old wiper lug.

I stapled the air box back together and knocked the dust off the old filter since I don't have a new one yet.

View attachment 247931 View attachment 247932 View attachment 247933 View attachment 247934 View attachment 247935

I got a driver's master switch if ya need one for sale
 

Doubeleive

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I replaced all of the peanut bulbs in the headlights and tail lights (168 bulbs I think). I noticed the driver's side brake light wasn't working. Decided to check the bulbs and found out all 3 bulbs on the driver's side were dimmer than the right. Pulled the bulbs to check them and found after removing the top bulb, all the running lights died... Found a bad repair on the body side of the harness and fixed it. Put the tail light in before testing (because that's how you fix things right?) Bulbs were still dim. It looks like somebody bypassed the connector ground wire all together previously and they didn't fix it after fixing it poorly on the body side of the harness (it pulled out and didn't have any heatshrink either). Anyways... wiring is fixed and all the bulbs are working again.

I glued in the mounting screws in the license plate bulb holder panel since they were all spun out of the housing and it was rattling like crazy. Also replaced the glass release button since it had already fallen apart.

Changed the oil with some Rotella and a WIX filter to see the condition of the engine. Not an abnormal amount of metal or anything.

Disassembled the driver's window switch to see if the contacts are dirty like some of the truck switches I've seen in youtube videos. They were not and my driver's window switch still doesn't work at the moment. I'm assuming the switch anyways. The motor works when direct powered. All of the other windows work with the driver's door switch... Still figuring out that one.

Installed a new rear wiper arm and cleaned off the motor splines after prying off the corroded old wiper lug.

I stapled the air box back together and knocked the dust off the old filter since I don't have a new one yet.

View attachment 247931 View attachment 247932 View attachment 247933 View attachment 247934 View attachment 247935
looks like someone did a repair on the rear wiper washer fluid line also, unless that is something else
 

LRob

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swapped my 22s for the new machined face 20. Will upload some pics tomorrow.
 

Mickey_7106

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Interesting, never crossed my mind to attempt this. Ive read mixed reviews on those powered subs, but im wondering how they compare to the bose crap that's already there


Installed a Rockville SS8P poweredsub today. Then drained the 8300 miles Amsoil.
91b0b35b220f6291b2ad063ff1265f38.jpg
 

Doubeleive

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Interesting, never crossed my mind to attempt this. Ive read mixed reviews on those powered subs, but im wondering how they compare to the bose crap that's already there
if you have the bose system then you would need to yank it all out to put a aftermarket sub in the same place there is no room otherwise
 

Kee Fuller

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Interesting, never crossed my mind to attempt this. Ive read mixed reviews on those powered subs, but im wondering how they compare to the bose crap that's already there

I got an aftermarket 8 inch jbl there. I want a lil more thump and kinda want to upgrade to a 10 inch.
 

avalonandl

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I have to see if my sub is still working...


Just plug in Harry Nilssons "Jump into the Fire" or Stanley Clarkes "Justices Groove"

The bass lines in those will let you know if the sub is working.....
 

Rocket Man

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I got an aftermarket 8 inch jbl there. I want a lil more thump and kinda want to upgrade to a 10 inch.
Imo don’t try one of those slim powered subs. I bought one and they don’t put out real bass, more like mid bass. I took it out and bought one of Rodneys Boxes for the console and put a 10” JL with an amp in. It hits hard especially for a concealed box, fits perfect in the console and makes use of all available space so you can install a decent sub.https://www.ebay.com/itm/221236119840
 

Rocket Man

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Interesting, never crossed my mind to attempt this. Ive read mixed reviews on those powered subs, but im wondering how they compare to the bose crap that's already there
I had one and imo it sucked, no real bass but more like mid bass. There’s no volume to the enclosure so there’s no thump. They’re better than nothing though.
 

1BADI5

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Just have to pull the harmonic balancer again. Did you use the reusable ARP bolt or OEM?

Yeah I spent the extra money and got the ARP because I knew I would have to remove it to do the cam.

Yeah thankfully the front crank seal is super easy on the LS based motors
 

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