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    6.2 gas vs. 3.0 Duramax, which one to buy?

    I'd get the gasser. They're great engines and easy to work on.
  2. I

    New here

    Nice truck.. welcome to the Forum from Co.
  3. I

    Blown 6.2 (not in good way) '21 Denali XL

    You know these guys at GM have 0-F's to give, right? Not one, it's your vehicle & your problem.. Same thing happened to me too.. We have the right to repair, remember that. At least GM isn't like John Deer. I decided to build two engines, buy two transmissions, the factory scan tool, HP...
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    2018 Chevy Tahoe Police Edition

    I'd get an identifix or an alldata subscription so you can get the wiring schematics and get a leg up. I'd imagine you're going to find a fair amount of wire splicing and other crazy stuff.
  5. I

    Magneride questions HELP!!

    Yea, someone here said they got around the magna ride.. I think it's annoying and unnecessary but I'm keeping mine whole. I'd even replace the DOD parts if it didn't just cost me like $6k in parts. I've been scorned.. After all the problems I've had with my Yukon, I bought into the dealership...
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    Magneride questions HELP!!

    Yeah, you're going to get 4 suspension module codes and a constant nag screen. It won't set the engine light. When I replaced my shocks I messed up a connector and reversed the wires and I'm too lazy to fix it. I had the engine out two weeks ago, I still didn't fix it. That's low low on the...
  7. I

    2017 Chevrolet Tahoe TSP 5.3L L83 V2 Stage 1 Camshaft

    Going on a cam timing tangent here.. I'm staying away from the aftermarket cams for now. I went the opposite direction and used a smaller duration cam for this engine. Yesterday I made three changes, power enrichment pedal enable, PE torque request and adjusted the cam timing. Check out the...
  8. I

    2003 Tahoe LS 2WD 5.3L

    I bought mine from Summit, it came with all the credits I needed. You will need two credits per controller for a 2015 Yukon.. Maybe less if it's a different ECU. https://www.summitracing.com/parts/hpt-m03-000-04 I've been drinking light beers so don't quote me on any of this.. The license...
  9. I

    Shade tree getting ASE Certified..

    Ok, that's good info. I've been buying vehicles from auction and fixing them up over the past 7 years.. It's a hobby that keeps the slush fund full. I'm only taking on what I know I can handle. I need to expand my horizon to crash damage and automatic transmission repair. I just found out...
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    Shade tree getting ASE Certified..

    I pivoted out of turning wrenches a long time ago but still feel this tug. Like I missed out. Now that the ship has long ago sailed, I want to be the best shade tree mechanic I can be. Because YOLO and more knowledge is better. Any suggestions as to the order of tests? Did you take them all...
  11. I

    2023 Yukon Denali Side camera - intermittent issues

    Get an alldata subscription or Identifix.. I also have a GM Techline subscription. I have been updating all the firmware in the 20 some modules my 15 Yukon this week. I've fixed the camera flicker and a bunch of other ghost problems. Hoping my lift gate window will magically start working...
  12. I

    I want to see your Tool Boxes

    Yea it is. Any flat surface is fair game.
  13. I

    Problems with cylinders 2-4-6-8

    Did you run the engine around and torque all the rocker arms down correctly? Here is the procedure. Install the rocker arm and bolt assembly. Open In New TabZoom/Print Rotate the crankshaft until number 1 piston is at top dead center of compression stroke. The engine firing order is...
  14. I

    2015 GMC Yukon XL Cooling fans not engaging

    Here you go. Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category...
  15. I

    Shift lever replaced to obtain tow/haul button

    I use HP tuners Mvpi2 to modify the computers on my vehicles. https://www.hptuners.com/mpvi3/
  16. I

    Shift lever replaced to obtain tow/haul button

    Did it have a tow button before? Just a hunch, maybe it needs to be turned on in the TCM.
  17. I

    I want to see your Tool Boxes

    Now I have to show off my tool boxes and messy garage. (The orange box isn't really snap-on.) I put the air compressor in there because it gets all the swag stickers. I don't ever plan on returning to turning wrenches but If I had to, I don't want my box's to be full of stickers.
  18. I

    6L80- Drive it till it quits, rebuild local or replace with rebuilt GM part?

    Heh, I used to rebuild VW engines in the old Jelly Belly warehouse in Oakland, Ca and put them in curb side. Good times.
  19. I

    $79 bucks for an AFM disabler = drive better AND better gas mileage?

    This is what that dohickey will do the an engine.
  20. I

    $79 bucks for an AFM disabler = drive better AND better gas mileage?

    As soon as I have enough time here on the forum to post, I'm selling my range device. looks brand new. My engine still blew up. I think in stock form theses engines have a 'grenade timer' and it can't be reset until you pull the AFM kit out of the engine.
  21. I

    2001 Tahoe Theft Recovery Security Issue

    This is an educated guess so don't hold me to it.. I'm pretty sure with any PID related to emissions or security, you have one start cycle, maybe two before it activates or in the case of vehicles after 2010, it'll become a permanent error. Get the GM Tech2Win. You have a lot of options but...
  22. I

    2017 Chevrolet Tahoe TSP 5.3L L83 V2 Stage 1 Camshaft

    I used the GM 28-12672469 on a 6.2 I just put in my Yukon.. Runs fine.
  23. I

    6L80- Drive it till it quits, rebuild local or replace with rebuilt GM part?

    Yea, it's not what I do for work anymore so I look forward to all of it.
  24. I

    What year would you avoid in a Tahoe or Yukon?

    It might be time to break out the expensive tools and start working through it. I'd loose my shirt if I gave up on my yukon, it's paid off as of last month. Haven't been able to drive it in a year.. I'm determined to have an error free truck at this point. Here's my suggestion. Get an...
  25. I

    open or limited slip

    Here's some intel.. Front then rear axle specs listed. I look all this data up, walk over to my cabinet of oils and say.. Hmm.. I have enough of this other stuff.. it'll do. Edit- But just in case you really need it.. Here you go. Application Type of Material GM Part Number Canadian Part...

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