help

  1. 1loehoe_tony

    Need help troubleshooting

    I was driving in the rain stepping on it to make the wheels spin and sliding. Stopped at a gas station to fill up and go home. And as I was leaving I heard and felt stuff going on in the rear. So I parked to check if my driveshaft fell out but it didn’t so I went to put it back into drive and it...
  2. HoeinOrangecounty

    code P0307 and C0561-71

    video of engine and idle why is this happening? P0307 had the issue in july replaced my spark plugs and wires all of them ran perfect. out no where boom. why? what do i need to do.
  3. L

    2012 Yukon xl 4x4 eating antifreeze?

    Let me start off with the fact that she runs perfectly. She's got the 5.3, no hiccups, no codes, no rough idle, live stream on the scanner shows no reds, etc. I have a generic scanner, but it's able to do almost everything a dealer scanner can do. She's got 275k miles on her and she purrs like...
  4. iboughtatahoe23

    Squeaking noise driving me crazy

    Click to listen (takes you to video hosting site) idk what it is. But seems to be getting worse and from front left. Took into shop and don’t think they heard it cause they said don’t worry about it and sent me on my way. Well I don’t “not worry about it” I like to stay on top of what...
  5. J

    2018 Tahoe Premiere Front USB ports not working

    I have a 2018 Tahoe Premiere. This morning when I went to plug my phone in for Android Auto, I got nothing. Both front USB ports under the AC controls no loner work. The ones under the console door work just fine, however. Couldn't really find any solid info anywhere else. The closest thing I...
  6. D

    Help, 2011 tahoe 4wd PPV main brake lights not working.

    Help! This will be a long post to inform of all the diagnosis and repairs already done. I have a 2011 Tahoe 5.3 4wd Issue: Main brake lights won't turn on with pedal. Third brake light works properly. All other exterior and interior lights work properly. This vehicle had a long list of issue...
  7. F

    2005 5.3 lm7 Major issues!

    I have a 2005 Tahoe z71 with a new/reman 5.3 lm7 that had zero miles on it 2 years ago and is out of warranty. So to start I would place my mechanic skill level at 7 out 10, 10 being a master mechanic, Basing that on how good i am at installing parts not diagnosing and I am very good at reading...
  8. cayd3n_idk

    Longtube Header Help

    Hello again yall. So I’m looking for a little insight and help. I just installed a set of long tube headers on my 2003 Tahoe 5.3, and I’m running into a problem where the spark plug wires (from summit) are rubbing straight against the header, in multiple places. I thought about going with a 45°...
  9. cayd3n_idk

    Tahoe TBSS Intake manifold swap

    hello tyf. Not entirely sure if I'm positing where I should be, but figured its my best bet. So I drive a 2003 Chevy Tahoe with the L59 5.3 with FF, and I'm currently planning on swapping a TBSS intake on it, however there are some issues I'm not too sure about that I think the fourm might be...
  10. K

    Buying 06 Z71 in limp mode because of leak from transmission to transfer case?

    I am considering buying this 06' with the issue above. He tells me that it is in limp mode and will only drive to 2nd/3rd gear and he had to flutter the gas and coast. He tells me that Firestone said it is a leak from the transmission to transfer case, and it needs to be sealed. he said adding...
  11. Jeremiah_Yukon02

    2002 GMC Yukon Random Cylinder Misfire (P0300)

    alright guys i just installed new injectors (OEM) and now my truck has a random cylinder misfire (P0300) under hard acceleration and at idle sometimes, I've heard that it could be fixed with a camshaft position sensor relearn but i'm not exactly sure and honestly i don't have the money to throw...
    • Jeremiah_Yukon02
    • Thread
    • 02 5.3l flex fuel 5.3 engine idle engine load gmt800 help i need help please mechanical random misfire
    • Replies: 8
    • Forum: Engine & Drivetrain
  12. cayd3n_idk

    Squeak/Whistle coming from rear-end of Tahoe.

    Hey guys. So I'm driving an 03 4WD LS Tahoe, and I've been having an odd squeak coming from (what I believe) the rear-end for a while. I changed out the entire braking system thinking that was it. Nada. I've replaced bearings within the differential, as well as the cover. Shocks are within 8...
  13. T

    Traction active

    I have a 2003 yukon xl denali. Occasionally when I take off from a stop I get traction active on the dash and loose all power. 2 years and 20ish thousand miles ago I replace both front wheel bearings with ac Delco I check both rear sensors the left appeared to seated correctly the other was...
  14. G

    Reduced Engine power, Service Stability System

    Hello all, I'm new to the group as I purchased a 6.0 2006 Yukon Denali from my dad with a little over 240K on the clock. Don't let the mileage fool you though, this truck as been extremely maintained its entire life and looks as good as if it just came off the show room floor with a couple of...
    • Gstepha0
    • Thread
    • denali electrical fuel injector wiring harness help reduced engine power service stability system yukon
    • Replies: 13
    • Forum: Engine & Drivetrain
  15. W

    P0101 Mass Air Flow Circuit Range/Performance

    I have a 2002 Chevy Tahoe LT 4WD 5.3L/4L60E that keeps giving a P0101 code. I have replaced the MAF sensor, MAP sensor, checked all air intake piping, smoke checked the intake system with no leaks showing, back pressure tested the catalytic converters, new air filter. I'm lost on what it could...
  16. Chevytahoefools

    2002 Tahoe a/c blowing only heat! Help me out!

    I have an 02’ Chevy Tahoe 272,000 miles. One day my ac stopped blowing cold air. The fan works. It blows hot air like a champ. And the heater works fine. ive checked the relay switches in the fuse box to see if anything is blown(we’re all good there) next I checked to see the air compresso. all...
    • Chevytahoefools
    • Thread
    • 2002 tahoe a/c a/c hot air chevy tahoe diy help tahoe
    • Replies: 4
    • Forum: Interior
  17. whyididntdoit

    Mice in getting inside

    Hello I have been getting mice in my 2009 Tahoe need to figure out where there still getting in. I already fix the the vent above the tail lights and check the hvac air intake all have screens on them. Took the hole headliner off to check under it pain in the butt. Anybody have any other spots...
    • whyididntdoit
    • Thread
    • body off restoration help mice rodants tahoe 2009
    • Replies: 22
    • Forum: Interior
  18. iboughtatahoe23

    Pulley question on 2014 Tahoe

    I was changing idler pulley on the 5.3 vortec, new pulley didn’t come with new screw, mount or shim, so I had to use the screw mount and shim from the old pulley. The new pulley(duralast) isn’t exactly identical to the old one(ACDelco) but I was assured it’s the correct one by AutoZone. I went...
  19. G

    Tail lights don’t work but brake lights do

    have a question about something but want to discuss my problem first. For some reason my tail lights do not work at all, occasionally on startup the left tail light stays on but comes off later on, the right one doesn’t work at all but the brake lights and turn signals work. I know there’s so...
    • Gucci2074
    • Thread
    • electrical help lights reverse lights tail lights
    • Replies: 5
    • Forum: Exterior
  20. P

    1991 Suburban/I have ac, but my ac compressor has no high side pressure switch nor connector

    I have a 1991 Chevy Scottsdale suburban with front and rear ac and I want to know if it’s normal for that year if vehicle to not have a high side pressure switch on the compressor and not have a connector for it either? It’s something I just found out and I don’t want to spend a whole lot of...
    • poseid0n19
    • Thread
    • 1991 suburban air conditioning chevrolet help
    • Replies: 0
    • Forum: Interior
  21. Odii

    2014 Tahoe PPV - electrical questions / direction needed

    Howdy all - New here > my introduction post < I have a 2014 Tahoe PPV, got it monday and working on removing the dividers/boxes. Currently the dash doesn't light and it doesn't do *anything* to try and start it. The interior lights turn on and the spotlight turns on - as well as nav --- just...
  22. YukonXLDenali2004

    2003 Tail Light Plugs Don’t Fit 2004

    Hello there Tahoe/ Yukon community. I recently bought some aftermarket tail lights for my 2004 Yukon from CARID, on the site it said they were direct fit, but when I went to install them the plugs were different. Some piece of paper said that the lights fit 2000-2003. Was there a plug style...
  23. H

    Axle Ratio/Towing information is difficult to grok. Would love some help with my 2020 Tahoe.

    I've got the manual and a half dozen websites open and I'm getting different numbers for literally every meaningful value: payload, gcwr, hitch weight, etc. Every website shows different values. Why is this information so annoying to sort out? I'm driving a 2020 Tahoe LT 5.3L RWD. The manual...
  24. Phisher

    Now I've lost interior power

    So back again with the 2002 Yukon I got the no start issue figured out it was the PCM put a new PCM in everything starts just fine but after 3 days now I've lost power to my passenger Windows my sunroof and all my interior lights and my gauge is like to bounce back and forth all of a sudden what...
    • Phisher
    • Thread
    • electrical help no interior lights passenger side window yukon
    • Replies: 12
    • Forum: Interior
  25. M

    Please help!!

    Long time lurker and first time poster. Registered for an account tonight since I couldn't find an answer that I haven't already tried. Backstore: 2006 Tahoe Z71 with 5.3 flex fuel 232,*** miles I just did head gaskets, water pump, thermostat, every gasket that I could think of while in the...

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