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Yep, I did previously replace it. With supposed Genuine GM. First was replaced in July 2024 and the second was October 2024 (both banks). Need to get the scanner hooked up and see what the voltage output is before I order another. Of course its a week to get another OEM unit. Was thinking about...

Had a code come up yesterday, P0137 bank 1 sensor 2. Not sure if I have ever replaced that O2, will have to inspect closer.

Well we will see how this unit holds up. I've got to go to another O'Reillys and grab a second one. Also may have struck a deal on the parts truck I got the front differential from. Hope to harvest the steering gear and pump from it.

I watch Eric O. with South Main Auto (SMA) quite a bit on the YouTube. His video from this weekend hit the spot with me.

I haven't had any TTX stuff fail yet, but really only have maybe 6k-miles on the Yukon stuff. Did put some stuff on my old F250 that was still going when I sold it. I actually had an AC Delco O2 sensor fail out of the box. Had the laser etched numbers just as the replacements did so it seemed...

Only way to find quality, is after the fact service life is am learning. I went TTX for my front bearings. Wish they did pads and rotors......

I had to go back and confirm because it was irritating me. I didn't document it in this thread well, but I purchased the rotors and pads off eBay May 24th, 2024. They were from Detroit Axle Company. Not super cheap trash parts, but not crazy expensive either. Thought I was getting a middle of...

Took the Yukon to work today instead of the company truck. Smelled of warm brakes on the back passenger. Upon further inspection the slide pins were bound. Looking closer the stupid little rubber boots are darn near disintegrated! I think I redid these brakes 2-3 years ago completely with new...

Dug further into the Hayden fan controller option. The main reason I wiped this off at the moment was I intended for all speeds to be completely automatic. To do this I would need 2 Hayden 3653 units. See unit here...

Finally tackled the drivers heated seat. It was the upper that burned out. We got hot buns now, will see how long the Amazon seat elements last! Such a sad world we live in. Id rather rest my luck with junkyard used OEM parts over brand new aftermarket garbage. Local stores are loosing my...

You are correct. I did think about this, and ultimately may do it as well. Only reason I was going to do the switch for now is I plan to add some A-Pillar lights to aid with plowing at night. I had hoped to get those done before this winter, but it got cold fast as it always does....

Normally I don't like doing stuff like this, but with my only other option being to "re-tune" the computer, its just not worth it. I have been having issues towing and plowing with temps mainly due to the electric fan setup and its "triggering" parameters in the computer. By the time fans are...

Picked up 3 of the best looking junkyard OEM coils yesterday. Put another on last night, so far a total of 3 I have replaced with the junkyard units. All have great arc now when pulling the boot except for 1 remaining gray one. Will swap that one out too but the Yukon made the 2 hour trip with...

I too was sucked into the dud steering box and pump debacle from crap local stores and Rock Auto. I've swapped gearboxes twice and both rebuilds have IMO excessive play. I've swapped steering pumps as my original rotted out (should have done more to save it). Both pumps I installed struggled to...

I'm sure, I would like to know what manufacturer the gray ones are from. It would be very tough to relocate, would need coil harness extensions, plus longer plug wires as they mount directly on the valve covers themselves. So you can still get AC Delco units, issue is when in a bind, nobody has...

The 4.8 is a good engine just as the 5.3 and 6.0 of that era, would be a reliable rig if maintenance has been done. Check warm oil pressure, common the pickup tube O-ring gets brittle and cracks resulting in lower oil pressures. Some of the earlier GMT800s have what they call piston slap on cold...

Our small diesel fleet at work is still running all compliant emissions equipment, with our oldest truck being a 2012 Silverado 2500HD Duramax with approximately 250K-miles. Others are newer 6.7L Powerstrokes. Just not worth the potential issues for a business in my eyes to remove them. If I had...

Spent some time last weekend with my annual Fluid Film undercoating. Yukon is coated and ready for its 6-month salt bath: I also spent some time checking spark plugs to see if a visual identified could be seen. Even my newer scanner doesn't have cylinder balance or misfire checks. I would...

With a solid week of constant rain or the threat of looming it decided to tackle the trans filter swap and flush. My initial plan was to just flush it since I had a shop do a filter back when I got it. But I just needed to look inside for piece of mind at just shy of 202K on the clock. Getting...

I agree, always gave me PMD heat soak fears, but to be honest I have only had a single GMT800 coil fail in my experience with them. One thing I didn't realize was there are 2 types of coils for these engines square and round. I guess that is where the difference in wire length comes from...