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  1. Splorg

    Fixes and.then maybe not!

    Check your battery first. Is the truck charging hard when it's running properly? Does the gauge plummet when the idle is low, or just before the idle drops? Only takes a few minutes to rule it out - a weak battery or improper charging can cause havoc with the sensors the computer depends on to...
  2. Splorg

    Radiator replacement

    Yes that is indeed the edge of the aluminum radiator core. It's sort of irritating that mine came assembled and yours didn't. I'll have to remember that when ordering parts online - I would be furious, if positions were reversed. Sent from my SM-S727VL using Tapatalk
  3. Splorg

    Radiator replacement

    I'm so sorry, sir. Had a robbery attempt last night and I ended up at work until nearly time to open this morning. Headed back after I type out this message. What you see is what I got - the only parts recycled are the cooler lines themselves and the plastic caps. Everything forward of the...
  4. Splorg

    Radiator replacement

    I will do that as soon as I'm done at work sir. I would imagine if yours did not come with fittings that it was improperly manufactured. The fittings in my old radiator were let's say very well bonded in place. I know this because I skip that step in the video, and I spent 20 minutes trying to...
  5. Splorg

    Radiator replacement

    Oh jeez that DOES suck. I don't suppose you could take it back and exchange it could you? It has to be defective. Sent from my SM-S727VL using Tapatalk
  6. Splorg

    Radiator replacement

    Never mind, I see it. Only thing that comes to mind is that the spring clips that came with the new rad were of a slightly different shape than the factory ones. Mine aren't seeping after 100+ miles installed - did you use the ones provided? Did they come with new clips at all? I'd have to...
  7. Splorg

    Radiator replacement

    What I purchased was the AutoZone "direct replacement" Duralast B2423 radiator. While I'm not sure if it counts as OEM, it did indeed match all the dimensions and have all the fittings in exactly the same places as the rad that was in my Yuke. A few disclaimers: 1) my upper radiator hose had a...
  8. Splorg

    Radiator replacement

    Ah, okay, I understand! Sorry I'm a bit dense! Thank you, I wouldn't ha e thought of that. Guess I should look to see where the thermostat actually is on this - I wasn't brave enough to try the water pump on my own. :) Sent from my SM-S727VL using Tapatalk
  9. Splorg

    Radiator replacement

    The thermostat was replaced when I got a new water pump in January :) Sent from my SM-S727VL using Tapatalk
  10. Splorg

    Radiator replacement

    Thanks for all the tips and hints! It went in without any real issues, which surprised me. I do however either I would have flushed the thing - the old radiator must have weighed 15 lbs more than the OEM replacement of the same design, which makes me wonder what on Earth kind of dirt is floating...
  11. Splorg

    Battery is always dead.

    If the battery is new and you don't want to invest in a draw meter, use a multimeter to measure the amperage drawn from the battery (I'd suggest alligator clips) and start pulling a fuse at a time. When the amps drawn drops significantly you've found your current draw. Troubleshoot from there...
  12. Splorg

    Radiator replacement

    I've gotten new hoses, clamps, a new radiator and a new overflow bottle cap. I'm about to embark on a radiator replacement. Myself. I'm sure this will turn out.....just fine. My current radiator has developed a sizable crack in the plastic tank just below the top hose, a vertical one, and I did...
  13. Splorg

    2000 Yukon-Long warm up time - partial heater core restriction possibly?

    So it's a bad thing that my 2001 has a top rad hose that is marked 10-31-00? :) It's on my list of stuff to do. It's a long list. Sent from my SM-S727VL using Tapatalk
  14. Splorg

    2000 Yukon-Long warm up time - partial heater core restriction possibly?

    Glad to hear you think you've gotten it licked! Not sure what the other guys experience is, but my Yukon can sit and idle for quite a long time and not generate heat. Since I replaced the water pump and thermostat, though, if I start driving it it only takes a few minutes to have some sort of...
  15. Splorg

    4WD not engaged when indicated

    I didn't directly power it, no; but without checking it again it wasn't long, perhaps a second and a half. I just got kind of excited when it didn't do anything - all right! I found the culprit and this isn't going to be ha.....oh, never mind. :D Sent from my SM-S727VL using Tapatalk
  16. Splorg

    4WD not engaged when indicated

    Okay, finally had the time and spare cash to work at this (I don't have a garage and damn it finally feels like winter here in Pennsylvania!). Here's what I've found so far. Video on replacing the linear actuator said "a lift is not required, we used it for ease of filming". My left arm...
  17. Splorg

    Pulley Bearing Noise???!!!

    As an aside, checking all the accessories and idlers is a good move - but don't wait. I had a noise start in my Yukon a while back, thought it was belt noise because it was wet weather, and less than 30 minutes later (of very, very light easy driving, nothing over 1600rpm) the pulley came clean...
  18. Splorg

    2000 Yukon-Long warm up time - partial heater core restriction possibly?

    Sorry, I only glanced through the messages, someone may have asked already - thermostats are cheap. Replace it. Stuck open thermostat would act like this. Is your fan clutch working? I don't have a ton of experience with mechanical fans, but I'm assuming if it was running full tilt it could...
  19. Splorg

    Fuel Pump Chk valve

    I encountered something sort of similar, but intermittent, with a bad purge solenoid. It would start sometimes, other times you had to crank for a few seconds, then again, then it would catch. That would absolutely set your SES light, though. Sent from my SM-S727VL using Tapatalk
  20. Splorg

    Happy New Year! 2020!

    And a happy 2020 to you all! Sent from my SM-S727VL using Tapatalk
  21. Splorg

    4WD not engaged when indicated

    Results are in, even though it is raining here in beautiful rural central Pennsylvania! It skips it 4HI. But then it skipped in 2HI. I immediately got out and can turn the driveshaft to the transfer case by hand. Still skips. Put back in 4HI. Did a wicked donut in which the front end did not...
  22. Splorg

    Bad pcm?

    Sounds almost identical to what my 2001 Yuke did when I bought it. That turned out the be the fuel pump. Make sure the SECURITY alert doesn't continue in the DIC (Omni-Idiot-Light) after you turn the key. That *should* kill the engine a lot faster, but old electronics being what they are, the...
  23. Splorg

    4WD not engaged when indicated

    Thank you! Here's what I've done, so far: Checked the fuses. All have good continuity. Pulled the switch cluster and tested it. Works as expected. Got under the truck, had my hapless assistant switch it from 2HI to 4HI. Stuff makes noise, linkage....well it kinda moves but not really. Then...
  24. Splorg

    4WD not engaged when indicated

    Sorry for almost certainly duplicating another post. I tried to search for this specific problem, there are so many permutations that I can't seem to find my exact symptoms. Last Friday night my water pump quit (2001 Yukon SLT 4WD 5.3L) Being a cheapskate, a friend brought out his truck and...
  25. Splorg

    If you could only choose one modification, what would it be?

    Insofar as it matters, tuning that kind of black bear with anything short of a 30-.06 at distance seems like a bad idea. We have a few roaming the wilder areas of central Pennsylvania. When they come into town it gets more interesting. In all seriousness, I know very little about tuning. Guess...
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