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  1. kenny-or

    Hybrid engine rebuild

    I just did my second rebuild on my 2008 hybrid. Make sure that you buy really good AFM lifters for it. Don’t do the cheap ones and make sure to replace the plastic trays for the lifters. my first build, I bought cheap lifters, and one of them came apart. I was fortunate, in that it didn’t...
  2. kenny-or

    2008 Tahoe hybrid oil capacity after rebuild

    I have been debating adding mechanical gauges but I have to keep the original ones working or the computer will freak out so it wouldn’t make sense with the exception of having a reliable gauge haha
  3. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Hey everybody, thank you all for joining into the thread and posting. It’s been a long road to get this thing running again. The battery issue I was having ended up being that. I hadn’t actually gotten the connector on the battery put in properly. Shortly after getting the initial rebuild done...
  4. kenny-or

    2008 Tahoe hybrid oil capacity after rebuild

    I ended up putting 6 quarts in. It was the transmission that I read for 15+\- quarts. I was just tired and misread lol The rebuild so far has gone really well. With the exception of a bad sensor everything sounds great and it’s in great running order. I’ll post a new thread about that as I...
  5. kenny-or

    2008 Tahoe hybrid oil capacity after rebuild

    To give context to this. I just pulled the block out, flipped it over and completely rebuilt the engine from the crank up. I put it back in put oil in it and coolant and everything else. I had oil pressure at 40 to 80 psi and then the oil pressure slowly drops to zero I let the engine go into...
  6. kenny-or

    2008 Tahoe hybrid oil capacity after rebuild

    I just did a full tear down and rebuild of my 2008 Chevy Tahoe. How much oil does it take to fill it from completely empty in the hybrid LFA 6.0 vin 5?
  7. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    ivin74: Yea, I went through the process of cleaning each injector. I used a 9v battery to activate the injectors so I could spray cleaner through both directions. I took the time to soak the fuel rail in some gas as well and shook out and possible loose debris. Went ahead and replace all the...
  8. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    From my understanding to do the delete you have to change the cam due to duration and grind. They sell VVT cams that can retain the VVT of it that work with the delete I think. My memory is very hazy. I researched this a few years ago but couldn’t find any way to update the computer at that time...
  9. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    @j91z28d1 Thanks for all the info. The lifters I ordered were supposed to be new OEM replacements. I actually ordered them a couple years ago when I was having an aux trans pump issue and mistook it for the AFM. I’m planning to pull the valve covers to check and see if any of the rockers are...
  10. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Well guys... She is alive!! I went out today and removed every plug and ground that I had to remove during the lifter replacement. I blew out each plug and reattached it. I used a wire brush to clean the grounds and used sandpaper to clean the contact points on the battery disconnect. I put the...
  11. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    My tool isn't showing any codes currently. I called GM and their first thought was a bad ground but I confirmed that the 3 grounds I disconnected to do the job are back in place and secure. I'll just have to order a tool when I get the cash together for it and see what that does from there. At a...
  12. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Just tried Remote start again to no avail. I think its in crash protection mode. It's the only thing that makes sense at this point. :shrug:
  13. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    I did attempt to start it with the remote start and it failed. Turned on and went through the motions but stopped short of the crank.... I'll actually go attempt that one more time though since trickle just for good measures.
  14. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    @Rocket Man Is there a way to PM on this Forum?
  15. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Hey guys, Thanks for the links and for the info that you have shared so far. I will be getting a tech2 in the very near future as it seems that this is kind of a requirement imo. I hate that the other scanner can't allow access the extra functions. I left the car on a trickle charger for the...
  16. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    j9: Great info! Sorry for the confusion, I replaced all of the lifters not valves, I misstated. My current scanner is a Actron cp9690. Oh, in regards to the latch, I did get that secured properly but I can see how people would over look that. I do feel like I am missing something in the...
  17. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    I'd still love to see a couple links to what you guys would suggest I purchase scanner wise if you wouldn't mind :)
  18. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    RocketMan: I totally understand not letting your tools go. I have learned that lesson as well but figured there was no harm in asking even is the chances were slim. I actually thought the scanner was significantly more expensive then $300. I had read on some other sites that the cheap ones were...
  19. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Hey RocketMan, as TollKeeper said the car is not capable of traveling currently unless I put it on a car trailer which I have half a mind to do at this point but I would have to check with some friends about them helping me achieve that. I'm starting a new job slinging parts for BnR on Monday so...
  20. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Thanks for the suggestions. It would be awesome if there was someone close that could help me out. Lord knows I don't want to buy a computer right now but I guess I will have to plan for it in the near future here. Then I can at least be another resource for others that don't have one and need...
  21. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Thanks for your response swathdiver. I'll end up buying the computer if it comes to that long before I'll take it to the dealer. I'm sure I would end up needing it again at some point if I had to buy it. Wish my current scanner would work but of course they had to lock that out so only their...
  22. kenny-or

    08 Tahoe Hybrid no start/ no crank after AFM valve replacement

    Hey all, I'm looking for some help and thoughts on an issue I have been battling with my 08 Tahoe Hybrid. I recently had an issue with a collapsed AFM lifter so replaced all of the valves. Due to the cathedral heads I needed to remove the valve covers, Heads, Intake, Exhaust Manifolds, and the...

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