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  1. DonnieBrasco

    2013 Silverado - dropping gears when coasting downhill

    Thank you!
  2. DonnieBrasco

    2013 Silverado - dropping gears when coasting downhill

    I just got my first truck. Been driving an '03 Yukon for the last 15+ years. Just got a 2013 Silverado LTZ, 5.3L V8. This weekend we had it camping in the Appalachians. On the interstate, when going down the grade, I would coast a fair amount. And I started noticing that when I was coasting...
  3. DonnieBrasco

    AC not cooling - likely compressor, could it just be clutch?

    Damn. That's what I was afraid of. Any ballpark idea on what kind of cost I am looking at (not repairs, just to evac and recharge/diagnose it)? Like is this a $200 type thing, or a $500 type thing? Thanks for the advice.
  4. DonnieBrasco

    AC not cooling - likely compressor, could it just be clutch?

    Hey everyone, got some updates here and need further advice... I cranked up, blasted the AC, and connected the can gauge. Sure enough, it was at zero psi. So I started filling. And pretty quickly (much faster than I assumed), it started going up. Then the compressor kicked on, the pressure...
  5. DonnieBrasco

    AC not cooling - likely compressor, could it just be clutch?

    Ok, this is great to know. I did not realize that it wouldn't run if it's dead ass empty. I'll recharge it this weekend and see if I can get it cooling. Huge thanks.
  6. DonnieBrasco

    AC not cooling - likely compressor, could it just be clutch?

    So the belt is still on the compressor just fine. And it's not making any crazy noises. But if I connect the can, and it says it's empty, and then I recharge it (with likely a full can), and the compressor still won't turn on, didn't I just waste a whole can? Because I will have to flush/drain...
  7. DonnieBrasco

    AC not cooling - likely compressor, could it just be clutch?

    My AC is not cooling. I got a can of refrigerant to recharge it, but then I noticed that the compressor doesn't seem to be kicking on. My questions are... (1) How do I confirm if the compressor is totally dead? (2) Is it possible to replace the clutch only or is it an all or nothing type...
  8. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Can you do the smoke test at home? Or is this out of my wheelhouse?
  9. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    I can't tell you how thankful I am for this comment. This explains SO much about this issue. As much as I've tried to track this down this is without a doubt the best explanation I have gotten. Thank you a millions times. I will try the trick with the purge solenoid and see what that does. As...
  10. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Sorry, the vacuum is still confusing me. I do understand it has a vacuum leak. I think I just chose a poor choice of words. I was referring to there being a massive pressure release when I unscrew the gas cap. I'm leaving the Yukon home this weekend and when I get back on Sunday I'll get out my...
  11. DonnieBrasco

    03 Yukon - TPS codes and TPS about year old

    I got this one https://www.amazon.com/gp/product/B00DE97N5E/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 and it had wires to splice into the existing wires.
  12. DonnieBrasco

    03 Yukon - TPS codes and TPS about year old

    A little over a year ago, I started getting "reduced engine power" and throwing codes for the TPS. I replaced the TPS and didn't have any problems since. Until yesterday. Yesterday I picked up the truck after getting some new tires and got reduced engine power. I shut the car off and cranked it...
  13. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Welp. Didn't fix it. It still pulls a vacuum. Obviously it's worse the lower the fill is in the tank, e.g., when it's at a quarter tank or below, it gets worse. And it screws with my gas gauge and it drops quickly once it's under a 1/4 tank. I'm basically giving up on this. I've replaced every...
  14. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Yes indeed. It's a kick in the pants for sure. But, this Yukon is 15 years old with over 250k miles on it, so it definitely didn't hurt to replace all the other components.
  15. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Thanks brother. Just ordered an OEM replacement.
  16. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Sooooo...basically I'm screwed? Obviously it's not a leak in any of the three things I've replaced. How would I even go about tracking that down? I probably have a year or less left in this vehicle, so I may just ride it out.
  17. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    Thanks dude. So if it is just the gas cap, that could throw a code? I guess the creation of the vacuum would be throwing the code? The old one did not rattle. And I tapped it on the ground and didn't see much if anything fall out. And I was able to blow through the ports, which was my first...
  18. DonnieBrasco

    Vacuum in gas tank - already replaced almost everything

    2003 Yukon has been throwing the code for the fuel evap (445 and/or 446?) for a while now. As far as I know, this code and the vacuum associated with it can come from one (or more) of four areas: (1) Evap/purge unit on engine block; (2) Evap/purge unit under the car near the tank; (3) Charcoal...
  19. DonnieBrasco

    Engine noise - like a pressure cooker - some coolant loss

    2003 Yukon 240k miles. Not sure if these are related, but I'll give all the info I can... Last week had a massive coolant leak. Like, add coolant and can see it pouring out right around the water pump. Investigated and I'm 99% sure it was the water pump. Changed out the water pump and...
  20. DonnieBrasco

    03 Yukon - "Battery Not Charging" but intermittent...

    So, it's still a little intermittent, but getting worse. When I pulled in the driveway last night coming home from work the battery was totally dead (but I hadn't been charging it at night yet). I charged it overnight and it's fully charged today, but I know it will go down again. I've ordered a...
  21. DonnieBrasco

    03 Yukon - "Battery Not Charging" but intermittent...

    Awesome thanks for the heads up. I will be heading to HF today at lunch to grab one of these. Yeah, I did that. But, like I mentioned, it's intermittent. So, of course, when I went to AZ to get it tested, it was saying battery not charging and the gauge on the dash was low, so obviously it said...
  22. DonnieBrasco

    03 Yukon - "Battery Not Charging" but intermittent...

    2003 Yukon Last weekend got in the car and the battery light was on, the gauge was below the normal 14 volts, and it said battery not charging. Ok, so my first thought is alternator. Get out the multimeter, check the batter, it's only getting about 12 volts. So, alternator, right? Still cranks...
  23. DonnieBrasco

    2003 Yukon losing ~3 quarts oil over 3k miles

    That's an excellent point. Not to mention, my oil pressure gauge has been a little wonky lately. Nothing crazy, but it fluctuates more than usual. I might go ahead and change that guy. Is it easy to access, i.e., how much shit do I need to pull out to get to it? Thanks for the heads up.
  24. DonnieBrasco

    2003 Yukon losing ~3 quarts oil over 3k miles

    You know, I feel like a dumbass because I hadn't even thought of doing that. Anything I should (or should not) be using with shop rags to make it easier to remove the gunk?
  25. DonnieBrasco

    2003 Yukon losing ~3 quarts oil over 3k miles

    Yeah...I was worried about that. I'll try and get back under it this weekend and hopefully get some good pictures to try and narrow it down.

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