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

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Fosscore

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Thx for the link on the console organizer. Funyuns...sheesh that goes waaaay back!! 3000 mile oil changes here. Always had that in my head no matter what the DIC says. Can't hurt to have some fresh oil in the motor, right?
 

JML07denali

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Washed the Denali and went to the gun range.
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iamdub

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Changed the oil in my truck for the first time since buying it.

The oil was PITCH BLACK and so heavy/dirty it almost overflowed the oil drain pan I was using because it was so thick it didn't want to drain down the center hole. And the oil filter? It was practically SEALED on. It was so difficult to get off, it took me an hour. Replaced with Mobil 1 Extended Life oil filter and full synthetic Mobil 1 oil.

Doing the oil change got rid of what I think was a slight case of lifter tick; the truck is now smooth and linear when idling, and feels like it has an insane amount of power now; all I have to do is touch the throttle and it takes off.

What do you guys think? How does your oil look come time to change it? Because of how dirty that oil was, I will be changing it again in about 3k miles. I'm actually surprised that the OLM (oil life monitor) still said the old oil had 30% life with how bad it was. The best description? It truly looked like and moved like molasses.


I'm betting that either the previous owner used crappy oil or it was due for a change before selling it and they just reset the OLM without changing the oil. My recommendation (and many others agree) is that you don't go off of the OLM and you change it on a more regular schedule. The OLM doesn't actually analyze the oil to determine it's remaining life. You could fill the crankcase with muddy water and it wouldn't know the difference. It estimates the oil's condition based off of mileage, engine loads, run time, temperatures, etc.

I only run synthetic and I've tried a few different brands. My last two changes have been with Pennzoil Platinum because that's the only oil that I've ran and never had the lifter tick at startup. The Mobil1 I ran before that greatly reduced the frequency of the tick down to maybe 5 occurrences over the 5K interval. The Pennzoil has totally eliminated it and the engine seems to run more smoothly. As far as appearance, 5K miles is about where it starts to get a little dark and that's why I change it. I don't mean black, but it's not damned-near clear like it is when fresh. It's more of a honey color. I also rotate the tires at this time. It's just easier to keep track when it's on a 5K-mile schedule: service at 135K miles, 140K, 145K, 150K, 155K, 160K, etc.
 

PG01

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I go 5k in the hoe last oil change went to mobil1 full syn, oil doesnt look too bad when i dump it. @jyi786 that sounds like oul hasnt been changed in a long while. Since new my accord commuter car goes 10k on mobil1 full syn and i dump 1/2 quart in at about 5k, otherwise i would be changing the oil every other week as i do about 150miles rnd trip a day. But when i do i do change the accord oil it feels like a different car, i say to my wife ,'mmm, new found power' cuz the car has a little more getup and go for a 4cyl. But its got 300,000 so any little bit of anything helps....lol
 

JML07denali

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They have great reviews. I've gotta get one.

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I have shot about 500 rounds through it with no issues. I like it! Best part ammo is dirt cheap.


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08grey

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Ha ha! If I don't get this airbag light fixed maybe.


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Get the dealer sensors. Don't get the denzo I've had back luck with them. Ive changed mine a couple times.

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05Single

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Treat a vehicle right without hotrodding or towing and you can go 10k on an oil change. They make oil waaaayyy more efficient now days yet the oil companies tell you to still change the oil like we're still in the 90s. Not to mention the new vehicles run way more effeciently and cleaner too.
I still too change mine at 5k with synthetic lol

But has anyone thought about that? Oil business getting their money


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Fosscore

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^^ You are right. I guess it is just old habits from back in the day and what we learned with our first vehicles, right? Lol
 

jyi786

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Exactly, I still change my oil at 3K and I'm running Mobil synthetic blend

Yeah, exactly guys. I was just more than a bit surprised to see the oil like this. Usually after I buy a car, it's 3K miles for the first oil change, 4K for the next, 5K+ onward.

Also, in my 2013 Impala LTZ, the OLM was fairly accurate. I know that it's not 100% to be relied on though, so I just wanted to see what your opinions were.
 

DaRosa218

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Didn't do much today other than drive her to the store. My Brother is trying to talk me out of my Rims and lift her back up. He made a generous offer for the 20's and may just take him up on that!
 

MichaelSE

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Oh dam. I wonder what the insurance estimate gonna be.

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$6500, in case you're still curious. Anyone know what a repaint of white diamond tricoat on the entire side of the vehicle should cost? I've never had to get anything repainted.
 

iamdub

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Treat a vehicle right without hotrodding or towing and you can go 10k on an oil change. They make oil waaaayyy more efficient now days yet the oil companies tell you to still change the oil like we're still in the 90s. Not to mention the new vehicles run way more effeciently and cleaner too.
I still too change mine at 5k with synthetic lol

But has anyone thought about that? Oil business getting their money


sent from the last frontier


All true. But, there are variables that have to be considered regardless of oil type and engine efficiency. Quality of fuel and the environment in which the vehicle is driven are two major variables. Oil itself, including conventional, lasts so much longer than it used to. But it can't do anything to guard itself against excessive temperatures and contaminants in low-quality fuel so it will still get dirty. Even though the oil may be in excellent condition lubrication-wise, you have to change it even if it's just to get the contaminants out.

But, if your late-model engine is turning oil black at the age-old recommended OCI of 3,000 miles, then you're running the ********* of the ****** oil and/or there is something wrong with your engine.
 

Fosscore

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$6500, in case you're still curious. Anyone know what a repaint of white diamond tricoat on the entire side of the vehicle should cost? I've never had to get anything repainted.

@MichaelSE

I had the driver's side painted all the way to the front fender and the liftgate done.

Cost was $1000 and that painter swore up and down he would not do another WDT because of the blending. That is the toughest part with the ground coat and base coat is matching the amount of coverage/coats to blend with the rest/OEM paint that is not being painted.

I can look hard enough and see a difference in the drivers door vs. the drivers front fender.

Average Joe will not. So ask questions to your painter about their confidence in the 3 stage process.
 
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