What did you do to your OBS GMT400 Tahoe/Yukon Today?

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dkknaebel

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Got my new head unit in and an upgraded amp for the sub. And I have Bluetooth everything. I love it. And my old remote from my previous head unit works on this one. Unbelievable
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Kelsda

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Removed rear bumper blasted and powder coated black looks great.Pulled off trailer hitch was going to have it blasted and coated but a lot off rot inside so ordered a new one, hitches are like boat trailers rot from the inside out. Then stuck my hand into this bag of potato chips.looked very minimal before I touched it Inside looks new so now I’m committed to do rear fender flare removal. A decent amount of interior removal to access flare studs.
 

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YukonGTmaster

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Removed rear bumper blasted and powder coated black looks great.Pulled off trailer hitch was going to have it blasted and coated but a lot off rot inside so ordered a new one, hitches are like boat trailers rot from the inside out. Then stuck my hand into this bag of potato chips.looked very minimal before I touched it Inside looks new so now I’m committed to do rear fender flare removal. A decent amount of interior removal to access flare studs.
I was in the exact same boat with my 97 GT in the summer. I ordered every replacement patch panel available from LMC and Mills Supply. The hood and front fenders have to be removed to get the front flares off. It is a PITA, but I hope you can keep her on the road! Post up your progress.
 

Kelsda

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I was in the exact same boat with my 97 GT in the summer. I ordered every replacement patch panel available from LMC and Mills Supply. The hood and front fenders have to be removed to get the front flares off. It is a PITA, but I hope you can keep her on the road! Post up your progress.
I can prep everything, just don’t have the skills to do finish body work. No shops here want this work. They want quick insurance claims. I have seen your work looks great. I will order parts after assessing damage. Mock it up tack weld and most important find someone to finish. I believe you only painted what was needed.that’s what I would do
 

YukonGTmaster

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I can prep everything, just don’t have the skills to do finish body work. No shops here want this work. They want quick insurance claims. I have seen your work looks great. I will order parts after assessing damage. Mock it up tack weld and most important find someone to finish. I believe you only painted what was needed.that’s what I would do
Yes. I just painted from lower body line down. You can’t see the tape line unless you are really looking. Post up your progress. I would like to see how it turns out.
 

YukonGTmaster

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My Rear Defrost at my Barn Doors was not operating. I took red Scotch Brite and isopropyl alchohol to the contacts. After they were polished, I put electrical contact corrosion inhibitor on them. The defrost is working now, but I can’t get the rear door lock/unlock button to activate the rear doors. If I press the rear button, it will actuate the front doors. If I press the buttons at the front doors, they
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will lock and unlock the barn doors. If I use my key at the barn doors, the cylinder is very hard to turn manually, I tried to purge the lock with lubricant. I will leave it, and come back to it. I don’t want to snap my key off in it.
 

Tonyrodz

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My Rear Defrost at my Barn Doors was not operating. I took red Scotch Brite and isopropyl alchohol to the contacts. After they were polished, I put electrical contact corrosion inhibitor on them. The defrost is working now, but I can’t get the rear door lock/unlock button to activate the rear doors. If I press the rear button, it will actuate the front doors. If I press the buttons at the front doors, they View attachment 361824View attachment 361825will lock and unlock the barn doors. If I use my key at the barn doors, the cylinder is very hard to turn manually, I tried to purge the lock with lubricant. I will leave it, and come back to it. I don’t want to snap my key off in it.
Did you use powdered graphite for the lock cylinder?
 

Swagfu

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Not today, but Saturday. New power steering lines, new master cylinder and a new air filter. May do a new exhaust system this week and remove an ancient alarm system. Possibly do my dash lights.
 

Swagfu

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Love the blue. Which mufflers did you go with? How's it sound?
Here are the mufflers I went with. https://www.summitracing.com/parts/aph-vx2541 As far as sound goes... I haven't really had a chance to get it out too much yet, but the first thought was they are pretty quiet until you start to apply the gas pedal and then it has a nice deep tone to it. And I got two mufflers for more of a true dual setup. I opted for these mufflers after talking to the guy and explaining what I wanted. I went in and was thinking Flowmaster 40's but that probably would've been louder than what I was looking for. I am going to try to go out tomorrow for a little drive and see how it does at highway speeds. With the broken muffler I could barely hear the radio going down the road. And here in Florida I have to be hands free to talk and it was nearly impossible. I am going to be putting in a new stereo at some point, so hopefully I will be able to hear everything again. Here is a sound clip on a Sierra. Sounds about right.
 

Tonyrodz

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Here are the mufflers I went with. https://www.summitracing.com/parts/aph-vx2541 As far as sound goes... I haven't really had a chance to get it out too much yet, but the first thought was they are pretty quiet until you start to apply the gas pedal and then it has a nice deep tone to it. And I got two mufflers for more of a true dual setup. I opted for these mufflers after talking to the guy and explaining what I wanted. I went in and was thinking Flowmaster 40's but that probably would've been louder than what I was looking for. I am going to try to go out tomorrow for a little drive and see how it does at highway speeds. With the broken muffler I could barely hear the radio going down the road. And here in Florida I have to be hands free to talk and it was nearly impossible. I am going to be putting in a new stereo at some point, so hopefully I will be able to hear everything again. Here is a sound clip on a Sierra. Sounds about right.
Once the packing in the mufflers get burned in, they'll get a little louder. Sounds really good.
 

east302

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Here are the mufflers I went with. https://www.summitracing.com/parts/aph-vx2541 As far as sound goes... I haven't really had a chance to get it out too much yet, but the first thought was they are pretty quiet until you start to apply the gas pedal and then it has a nice deep tone to it. And I got two mufflers for more of a true dual setup. I opted for these mufflers after talking to the guy and explaining what I wanted. I went in and was thinking Flowmaster 40's but that probably would've been louder than what I was looking for. I am going to try to go out tomorrow for a little drive and see how it does at highway speeds. With the broken muffler I could barely hear the radio going down the road. And here in Florida I have to be hands free to talk and it was nearly impossible. I am going to be putting in a new stereo at some point, so hopefully I will be able to hear everything again. Here is a sound clip on a Sierra. Sounds about right.
Got a picture of the muffler locations and downstream routing?

I fit a true-dual in my truck but am scratching my head on how to accomplish it on my two door.
 

Swagfu

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Sorry, I didn't grab a picture. I have a 4 door. From my understanding you aren't able to do it on the 2 door.
 

97YukonNZ

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So here it is Thursday and nobody has posted since me, so I will post again. Today I had my ancient alarm system removed and also fixed my broken exhaust with new mufflers and tips. View attachment 369163
Hi
What is it you have there?
I see the barn doors. Model year?
I would like the Dual exhaust system just not sure if I can here with the fuel tank up the driver side.
 

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