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  1. H

    Transmission temp sensor?

    I have a 2005 Yukon XL. My gauge cluster doesn’t have a trans temp sensor, but I would definitely prefer to have it. Also, two of my background lights (I was told by some of you it’s most likely a broken solder) have gone out. I have no problem fixing it, but have seen a lot of clusters for sale...
  2. H

    Gauge Cluster Lights

    I have a 2005 Yukon XL. A few months ago, I was dealing with an airbag code and had an open circuit somewhere (nothing broken, just loose connection somewhere). I did find it, but in the process of elimination I pulled the gauge cluster to see if I could find anything loose behind there. When I...
  3. H

    What engine oil?

    Hopefully the final update. Today I did an oil change, and in 4k miles my full synthetic oil was fairly dark and had dirt throughout. This isn’t surprising tho as a week ago I noticed my air restrictor was missing and was allowing dirty air to go straight through the intake. That’s duct taped...
  4. H

    What engine oil?

    I’m thinking a 5w-40 rather than you no to a 10x-30. I live in PA so it gets cold up here and I don’t want rough starts either. Any input at all would be great.
  5. H

    What engine oil?

    Yes that’s correct. Has anyone here been in the same situation and just switched to a thicker oil without complications long-term?
  6. H

    What engine oil?

    I didn’t do a valve cover gasket, those are solid. It’s either the valley pan gasket or the RMS. Both I would like to avoid repairing if possible, but I will do if this next round of oil doesn’t stop the leaks.
  7. H

    What engine oil?

    I’ve always heard that switching to a thicker oil will only hurt more. Any truth to this? Specifically, I’ve always heard that it will not reach all the small spaces it’s meant to.
  8. H

    What engine oil?

    Yes, couldn’t located anywhere for sure but seems to be the rear main. Isn’t really worth fixing when the additive works, even if it is only temporarily. I was just fishing for ideas on here as well. And the AT-205 is just the same additive they put in many high mileage oils, it’s just a...
  9. H

    What engine oil?

    I have a 2005 Yukon XL with the 5.3. I have an oil leak problem, after 24 hours of sitting it will leave 2 small puddles of oil about 1.5 inch across, and one about 4 inches across. I added AT-205 to my oil a few weeks ago, and it completely resealed them and I lost no oil at all. I noticed that...
  10. H

    P0174

    Sorry for no reply for a while there everyone. I got back at around 3am saturday morning and then worked a double from 7-11 all of yesterday lol. Anyways, both the short and long term fuel trims didn’t trigger any alarms. Long term was even on both sides, usually anywhere in between -3% and 3%...
  11. H

    P0174

    sits around 1.2lb/min at idle while warm
  12. H

    P0174

    worth noting i bought it at 198k a few months ago, and i’ve done a TON of “catching up” maintenance since then. i’m about $4k into repairs, and thats only parts and no need to hire someone else to do anything as of yet.
  13. H

    P0174

    just ticked over 203k on this trip, will be at 203.5 by the time i’m back home
  14. H

    P0174

    All was well for 160 miles/2.5 hours of driving, but then the code came back up out of nowhere. Engine still sounds perfectly healthy with no lack of power. Beginning to lean towards one of the injectors being slightly clogged. May pick up some Techron later and give it a shot. For now i just...
  15. H

    P0174

    Update: I pulled the MAF sensor and the whole thing was covered in a brownish/gray sludge. I hosed it down with MAF cleaner, literally the whole can, and wiped everything to the best of my ability. Will update again if it works or not, I have an 8 hour round trip tonight so plenty of room to...
  16. H

    P0174

    I have a 2005 Yukon XL with the 5.3. Today I got a code for P0174, or fuel trim lean bank 2. I was wondering how I possibly had a vacuum leak when I’ve checked this engine and worked on it up and down since I bought the car in September, but I remembered reading how the MAF sensor is a common...
  17. H

    Spare tire stuck

    I ended up jacking up the spare tire like it says in the owners manual to release the secondary latch, except i just held up the tire and not the latch and let it hang. Then I used a flathead to pry the latch off myself and dropped the jack until the tire came loose and fell to the ground. All...
  18. H

    Spare tire stuck

    The tire doesn’t even drop low enough to access any portion of the cable that’s supporting the wheel. Any other ideas? I was going to try to see if i could manage to squeeze a can of WD40 in there to maybe lube things up just enough.
  19. H

    Spare tire stuck

    My vehicle is a 2005 Yukon XL SLT. I went to remove my spare tire as the rim is beyond rusted and the tire doesn’t hold air anymore. The cable comes down ok, but the spare stays up. I read in the owners manual about a second latch mechanism, and I tried to follow it but it seemingly made no...
    • hmclaughlin67
    • Thread
    • rust spare tire suburban tahoe yukon yukon xl
    • Replies: 23
    • Forum: Exterior
  20. H

    Knock Sensor Troubleshooting

    I have a 2005 Yukon XL with the 5.3. About a month to a month and a half ago, i sprayed my engine with degreaser and just a regular water hose to try to locate an oil leak. Naturally, I got a CEL for P0332. I assumed this would just be the typical switch the KS and harness and have just been...
  21. H

    Airbag light and parking brake

    They don’t visually seem damaged or loose, i may take it apart and just clean them up since they’re covered in oils and whatnot. Any ideas on if there’s a ground wire connection in the cabin anywhere that could’ve been knocked loose?
  22. H

    Airbag light and parking brake

    I have a 2005 Yukon XL with the 5.3 in it. I’ve had an airbag issue where the light will come and go, and it is always for code B0044. I recently fixed my parking brake, and as I’ve been using it I’ve begun to notice that a few times i put the parking brake on, my airbag light would go away if...
  23. H

    Repeat knock sensor codes

    Any updates? having the same issue with my vehicle
  24. H

    Code P0332 and P0480

    I drive a 2005 Yukon XL 1500 with the 5.3. About two weeks ago, I heavily degreased my engine bay to attempt to locate an oil leak. Since then, I’ve had my radiator fans randomly turn on after the car is off and stay on until the battery is dead. When the car is turned on, the fans work...
  25. H

    Engine runs cold

    The restrictor ended up being the issue. Few days of driving now and temp has been good. My dad discovered that a .45 Colt's primer hole is just about the same size as the factory restrictor. Just wanted to post this just in case anyone else in the future has the same problem

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