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  1. upper_tanker

    A/C issue after fixing HVAC doors

    I didn't know that about the factory service manuals. I mean I just had to swap the condenser, I didn't even think to look inside the tube for an orifice tube because I forgot about the orifice tube. My plan of action was to install a new condenser, and that's what I did. Why would I ask a...
  2. upper_tanker

    A/C issue after fixing HVAC doors

    Thanks a ton for your message above. I forgot to reply when I read it, so my apologies. You were right, I put the orifice in and that was the issue. I did end up pulling vac for 8 hours and leaving it sit overnight. My dad has a Robinaire machine so I just used that. I just charged it today and...
  3. upper_tanker

    Heater Mode Door issue/questions

    I FINALLY got mine done. Was just going back through this thread and seen yours above. I TOTALLY forgot to transfer the screen over. How bad is that? This truck literally sees a few trips out hauling kayaks in the spring-fall, and plowing snow in the winter.
  4. upper_tanker

    A/C issue after fixing HVAC doors

    Thank you for this. I was about mentally done with the whole job by the time I got to that point so it was my laziness and just not knowing lol. I will order one and install it and hope that's the issue. I appreciate it! Edited to ask if you know if I'd be better off with the red or white one...
  5. upper_tanker

    A/C issue after fixing HVAC doors

    I feel like I need to start this by saying the only knowledge I have on A/C systems is from what I've figured out along the way of fixing issues on my vehicles. I'm going to try to put as much info here that I can about this issue. Also, to preface this story, the A/C blew ice cold before the...
  6. upper_tanker

    4l80e shifting out of overdrive

    You know.. at the risk of sounding like an idiot when I first posted, I thought this could be converter related. ONLY because ever since the trans was rebuilt, it has had almost like a hesitation off the go. Like it just doesn't move like it should until 2000-2500 RPM. It's so weird because I...
  7. upper_tanker

    4l80e shifting out of overdrive

    My dad has a 1997 K2500 5.7/80E, uses it mainly as a plow truck but takes really good care of it, it's his pride and joy. It has had an issue for this and last winter where you'll just be driving it and it will shift out of overdrive into 3rd. It seems like there is nothing obvious causing this...
  8. upper_tanker

    Heater Mode Door issue/questions

    I only put it here because it seemed like this is where the majority of HVAC questions were. I didn't know where it would fit best.
  9. upper_tanker

    Heater Mode Door issue/questions

    Thank you! I'm hoping that gasket is in good health. i just ordered a 16x12x1" piece of foam from Amazon so I am hoping that is big enough. We have a chance of getting snow on Friday night which is when I will be getting all of these parts so me getting this done is going to be cutting it close...
  10. upper_tanker

    Heater Mode Door issue/questions

    Thank you! I see Amazon had a bunch of different listings. Any idea how thick, wide, and long I should get?
  11. upper_tanker

    Heater Mode Door issue/questions

    I honestly can't thank you all enough for your input on this. Below is what I'm ordering. Am I missing anything? Question on the heater core though. I've never done one or even seen it back there with no dash. What's the best way to drain it enough where it doesn't leak all over the place? Or...
  12. upper_tanker

    2000 K2500 with FF rear end, brake issue while plowing

    That's a good point you make. I ran through enough piles of wet snow for sure. This truck sure does do everything I ask of it without complaining or acting up. I'm hoping this was the cause. It just seems like it'd be really tough to get water up in there but I guess if I'm running over 1'...
  13. upper_tanker

    2000 K2500 with FF rear end, brake issue while plowing

    I was out for around 15 hours plowing last night. Noticed about 8 hours in that the back brakes would lock up with even the slightest application of the brake pedal, as well as squeal just before I came to a stop but only in reverse. It didn't do it all the time, but I'd notice when I was...
  14. upper_tanker

    Intake Manifold Gaskets

    You'd need to know the cost of the parts and your shops labor rates but here are the times.
  15. upper_tanker

    Heater Mode Door issue/questions

    Thank you both a ton for this info. I was actually asking about replacing the mode door due to the common air coming out of every vent issue on a Facebook group last year but got zero replies. I did actually get it back into the hole when I was out in the parking lot but it came right back out...
  16. upper_tanker

    Heater Mode Door issue/questions

    I was out plowing in my 2000 K2500, it was like plowing fresh concrete. It was a rough night with plenty of jolting/jerking since it was like plowing fresh concrete. Around 8 hours in I noticed my little toesies were getting cold but I could hear the blower motor screaming. I was getting like 5%...
  17. upper_tanker

    2000 K2500 trans cooler questions

    2000 k2500 plow truck 4L80E, trying to hook back up the radiator trans cooler after bypassing it in hopes that it was the cause of the high temps before replacing the entire radiator. It wasn't, so now I want to hook the cooler lines back into the radiator since I added a Derale cooler with fan...
  18. upper_tanker

    2000 k2500 CV shafts... Replace?

    Seems like I don't have much of it these days! LOL
  19. upper_tanker

    2000 k2500 CV shafts... Replace?

    Thank you all for the replies. I didn't even think about removing the 6 bolts and sliding it out from the back. I tend to go the more difficult route, figured I'd have to pop both ball joints out of the knuckle and pull it from the front. I just figured while I was here, instead of touching it...
  20. upper_tanker

    2000 k2500 CV shafts... Replace?

    I am replacing my front pads/rotors/calipers/hoses/UCAs/all ball joints in the front. I figured while I'm here, I'd see if RockAuto has Delco CV axles. They don't. This took me down the rabbit hole that I seem to always fall down. These shafts were not clicking or making noise before I pulled...
  21. upper_tanker

    Issues on two GMT400 plow trucks, 350/80E and 454/80E

    I've posted this in a few different places now but haven't found much help, figured I'd post it here. My dad and I have two GMT400s that we plow with, his is a 98 k2500 350/80E and mine is a 2000 k2500 454/80E. We both noticed that ever since last year plowing, when you've worked the trucks...
  22. upper_tanker

    2000 k2500 shift lever won't fully engage into 1st on the dash

    This is what I thought too, which was my initial reasoning for replacing the cable. I figured since it was at least 10 years old, it could have used it anyways. I installed it prior to the trans rebuild. Amy idea how to properly set it? When I installed it, the shifter/trans was in park. I put...
  23. upper_tanker

    2000 k2500 shift lever won't fully engage into 1st on the dash

    Hey all. I noticed a few months ago that my 2000 k2500 plow truck seems like it won't fully engage into 1st according to the light under the 1 on the dash and just the feeling of the lever the shift cable is brand new and the trans just got rebuilt a few days ago (for other reasons). When I pull...
  24. upper_tanker

    Quality replacement 9003 pigtail/connector replacement options

    Thank you for this, I just messaged him.
  25. upper_tanker

    Quality replacement 9003 pigtail/connector replacement options

    I just did a search on their website for "headlight," "Headlight harness," and "9003" and nothing came up. I totally forgot about them, but that was worth a try. I appreciate the suggestion regardless!

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