OK, Bought a 07 with a couple problems today.

SpareParts · Oct 25, 2024

After changing oil i let the pan sit for close to a week (mostly because i was lazy but curious)
After carefully draining the pan this was in the bottom. Lots of sparkly stuff!
Nothing is going to fix that.

petethepug · Oct 25, 2024

Our 08 Denali had scary piston slap below 50* at cold start up. The 40k and six years we had it, nothing came of it. The new owner I sold it to knew of it and appreciated the heads up.

I’d slip a new TC in filled w/ fresh fluid and service the trans, fluid & filter. Press the trip reset button and wait for another 100k.

SpareParts · Oct 25, 2024

petethepug said:
Our 08 Denali had scary piston slap below 50* at cold start up. The 40k and six years we had it, nothing came of it. The new owner I sold it to knew of it and appreciated the heads up.

I’d slip a new TC in filled w/ fresh fluid and service the trans, fluid & filter. Press the trip reset button and wait for another 100k.

After seeing what is in the bottom of the pan after a normal oil change this advice makes no since to me. If you are saying just run it.
Servicing the trans however does with out a doubt.

j91z28d1 · Oct 26, 2024

SpareParts said:
After changing oil i let the pan sit for close to a week (mostly because i was lazy but curious)
After carefully draining the pan this was in the bottom. Lots of sparkly stuff!
Nothing is going to fix that.
View attachment 441170

ouch.. is that all aluminum? wow.

any chance you have the oil filter still to cut open? I got into the habit it cutting my filters open to take a peak to look for signed it wear. so far I haven't found any yet thou.

SpareParts · Oct 26, 2024

I have the filter but have not cut it open yet. Ill also be cutting the filter open on the engine i bought

petethepug · Oct 26, 2024

Post #31 hadn’t showed up on my device since I didn’t refresh. Glitter in the pan, that’s a bummer

SpareParts · Oct 26, 2024

The oil filter on the current engine was a Napa Platinum. Cut it apart the best i could and it did have a at least 8 shiny metal chips about like you see in the oil pan.

The filter on the Replacement engine was a Quaker State. Needed changed for sure but, It had no metal in it at all i could find.

After cutting apart both the filters i can say with out a doubt i would NEVER buy a Quaker State filter. It is total junk IMHO. Single layer with week pleating and nothing stopping it from collapsing, It is also has hard and brittle filter medium after use.
The Napa Platinum was constructed very well. Has 2 layers of pleated material with a mesh to help support it and stopping it from collapsing.

j91z28d1 · Oct 26, 2024

interesting you didn't find many in the filter as the pan. i hope you have time to take a look at the motor when you get it out. id have to go back and look but if it's a aluminum 6.2 it might be worth something if it's not damaged to badly.

hopefully the new motor is solid. any plans for it before you drop it in?

SpareParts · Oct 26, 2024

I have 6months to return the core and get my $875 core charge back. 6.2l engines have a decent demand. Im going to try to sell it as a rebuildable core for $1000
if not ill just return it. Im also thinking of keeping it and rebuilding it to put in the wife's Avalanche that has a 5.3 in it. So i have time to decide on what i wanna do.

The replacement engine will get everything listed in post #30

petethepug · Oct 26, 2024

If the glittery 6.2L L92 is salvageable that 400hp tied to the 6L80 6SP in the wifey’s Avalanche would make her happy. Of course she’d be most happy with the AFM being gone in the 5.3L, right?

OK, Bought a 07 with a couple problems today.

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