Recent content by R467X

  1. R

    Engine Startup Procedure rebuilt 2009 6.2l Denali (Rookie Question)

    Great stuff!
  2. R

    2012 Tahoe needs a new engine

    If it does indeed turnout to be just the spring, great. However, if you plan on keeping it, do yourself a favor and perform an AFM + VVT if you have that delete. Reach out to Michigan Motorsports or Texas speed, they'll email you all the parts you need. There are lots of videos online and plenty...
  3. R

    Oil leak while towing

    There's one bolt holding the dipstick tube to the head. You take that off and it'll pull right out. When you can't easily find a leak, adding UV or dye like previously mentioned is going to make it a lot easier for you to figure out. As mentioned before, lots of places for oil to leak from...
  4. R

    Summoning the geniuses of the forum: Problem accelerating from a stop / hill, engine stumble [updated]

    Definitely sounds like potentially a fuel pump pressure problem/ fuel pump starting to go. Like others said, get a gauge. Also consider running a quality fuel system cleaner, I always run Red-line every 6 months or so. I also think someone here mentioned electrical. Would be a good idea to...
  5. R

    Coolant leak and smell inside

    Number of things*
  6. R

    AFM disable or lifter issue 2012 PPV TAHOE

    I ran an AFM disabler for many years before doing an AFM and VVT delete a number of months back. The disabler is, in fact, a bandaid, only prolonging the inevitable lifter collapse. You keep driving like that and may find yourself paying for a rebuilt / new engine. When I'd unplug my AFM...
  7. R

    Coolant leak and smell inside

    Consider adding some cheap UV additive to your coolant and run your engine until warm. Makes it extra easy to find leaks. It could be a number and may not be the pump at all. I second replacing all the hoses. I did a complete replacement two years ago on my 250k mile suburban. Water pump...
  8. R

    2007 Yukon Timing Chain Tensioner Broke

    Pull your oil filter out and cut it open before you do anything else. Like others suggested, you may have blown something else. Do you have AFM? Could be a failed lifter turned major engine damage. Did you have any weird noises leading up to? Major ticking, knocking? I'd definitely do the oil...
  9. R

    Oil pump

    Yeah, I wasn't going to argue, figured those guys are subject matter experts.I haven't had a single issue. I also deleted VVT so maybe that's why.
  10. R

    Rear AC blowing hot

    More than likely it's your rear HVAC actuator. Look at this video.
  11. R

    Engine overheating 2013 tahoe

    Add some UV additive to your coolant tank and see if you can find a leak. If no then just #1 flush coolant, #2 replace thermostat, #3 change coolant temp sensor. And you'll be good to go. Do not drive on an overheated engine. If you plan on keeping your rig, I highly advise replacing all your...
  12. R

    Oil pump

    So I just did an AFM / VVT delete on mine and was going back and forth with Michigan Motorsports who absolutely advised getting a lower pressure pump than what I had there out of factory. My pressure, when warm after driving can go down to 18 and usually hovers at 18-22 when warm. Basically, if...
  13. R

    Oil pump

    Are you experiencing any weird shaking or vibration? Has it done that for a while? My guess could be your oil pressure sensor starting to go. Use a scan tool to verify before you start throwing parts.
  14. R

    Startup issues

    So after running through that fuel tank I filled up, and refilling at Costco, my issue has disappeared.
  15. R

    Can I drop my differential safely with the cv axles disconnected or will my vehicle front end fall

    I've done that so many times with zero problems when doing suspension work. My diff has been dropped 3+ times for various reasons. I've probably re-done taken things on and off my suspension 5+ times since 2011 between lift kits combos and suspension wearing out. Only replaced hub assemblies...
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