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  1. 00YukonSLT5.3Rwd

    Passenger side airbag repair?!?

    I checked them out.. they show the seat bottom but not the seat back. The problem is in the seat back. I got the light out for now. Hopefully it stays out long enough to unload it. I hate to sell it but if I get this new job, it's time for something more economical and worry free.
  2. 00YukonSLT5.3Rwd

    Passenger side airbag repair?!?

    I fiddled around under the seat at the connection and the wiring going under the carpet.. it didn't help. So I pushed in the seat around the air bag in the side of the seatback... I could see the connector but couldn't reach it. It seems the seat cover needs to be removed to access it. After...
  3. 00YukonSLT5.3Rwd

    Clunk from back of Tahoe While Driving

    I am still chasing the same issue. I have done sway bar links, shocks, I have checked the rear, the spare, you name it. Mine does it over certain bumps, and also sometimes when I let off the brakes and begin to accelerate from a stop. If I find it, I will post. If you find it, please share. I've...
  4. 00YukonSLT5.3Rwd

    Passenger side airbag repair?!?

    So I have an intermittent airbag light. Seems it's in the seat, for sometimes when I move the seat it goes out. Then it comes back. Lately it has been steady. How do I remedy this? I can't find a YouTube video and not sure what to do to get the problem solved.
  5. 00YukonSLT5.3Rwd

    Messed w crankshaft, now knock sensor code

    Well when you clear codes, the vehicle has to go through a drive cycle to reset the monitors. The check engine light fails cars for emissions that are obd2. For diagnostics we have had to clear codes and drive the cars, usually get them on the highway over 55 for a period of time to get the...
  6. 00YukonSLT5.3Rwd

    could antifreeze in transmission be causing the shuttering between 45/55mph? h

    How I flushed: Go to Home Depot and get a gallon of Simple Green. After putting the new radiator in, fill cooling system with a half gallon of simple green, the rest water. Run the engine, get it up to operating temp. Make sure thermostat opens and the solution goes through the block as well as...
  7. 00YukonSLT5.3Rwd

    Stalling, no codes

    SLCHOE, I have cleaned the MAF sensor. I think when I ran the intake through the parts washer I got some dirt in the throttle body. I should have taken it off before hand. It isn't as bad now... when it starts to stumble I throttle it up and it fizzles out. I am planning on pulling the throttle...
  8. 00YukonSLT5.3Rwd

    2004 Tahoe fuel issues.

    Best off doing the whole sending unit. Mine came with a new connector for the pump as well. Make sure you use good weatherproof crimp connectors and a decent crimp tool for making the connections.
  9. 00YukonSLT5.3Rwd

    Messed w crankshaft, now knock sensor code

    I know the knock sensors are common in these. I just did mine, and the intake has to come off to replace them. Might as well do the pair, the harness, and cam position sensor while you are at it. Get the good intake gaskets as well.
  10. 00YukonSLT5.3Rwd

    Stalling, no codes

    Well I know it's not the cats. They are new. I was leaning between cam sensor, computer, or throttle body. I had my mechanic buddy look it up on IATN and most common issue was the throttle body. I'm going to pull it off and take it apart, give it a thorough cleaning and cross my fingers that it...
  11. 00YukonSLT5.3Rwd

    Stalling, no codes

    It does have electronic throttle body. I'll look into that.
  12. 00YukonSLT5.3Rwd

    Stalling, no codes

    I can't win. Seems every time I fix one thing a new problem arises. So I went to park in a spot and the engine shut down. I cranked, it tried to start, and stalled. I can hear the pump running when I cycle the key. Then I gave it some throttle while cranking and it started. It was loaded up with...
  13. 00YukonSLT5.3Rwd

    Anyone convert to manual trans?

    I did Google it, didn't turn up much. It's just a thought. Probably won't make it off the drawing board. Update: Google confirmed my thoughts... it will take much more effort to successfully convert the Yukon to a manual than its worth. It would be a fun ride, but I would basically have to take...
  14. 00YukonSLT5.3Rwd

    Anyone convert to manual trans?

    So it may sound silly, but thought to myself how different it would be to convert my rwd Yukon to a manual. It wouldn't be hard to get a clutch pedal assembly from a pickup but to convert over everything else along with making the computer work with it.. probably not worth the headache. Anyone...
  15. 00YukonSLT5.3Rwd

    Subwoofer replacement

    For $80 on Amazon, I bought a replacement sub for my 00 yukon. It's not factory but with very little modification it fits in factory enclosure and can be wired for proper ohms. It's a Polk Audio db840dcv 8" voice coil sub. It sounds great, delivers crisp clear bass. In fact it's slightly...
  16. 00YukonSLT5.3Rwd

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Today the Yukon got an oil change. Now she's ready for my trip to Bushkill Falls later this week
  17. 00YukonSLT5.3Rwd

    clunk when traveling over bumps or releasing brake from complete stop

    All steering components are tight.
  18. 00YukonSLT5.3Rwd

    could antifreeze in transmission be causing the shuttering between 45/55mph? h

    Update, after 3 at flushes and time, the Trans is fine, thank goodness. Even got all of the Trans fluid out of the cooling system using simple green flushes, then tons of water flushes, and refill with fresh coolant.
  19. 00YukonSLT5.3Rwd

    clunk when traveling over bumps or releasing brake from complete stop

    I still haven't found the noise. Checked everything above mentioned and some. Just going to wait until I hear something fall off.
  20. 00YukonSLT5.3Rwd

    Power Loss, Bad Mpg, Weird Shifting

    I probably should have taken the time in the beginning and went through all the checks but I didn't have my scan tool back from a friend for a while. Assuming the problem would be fixed with the knock sensors... well we know what assume means. I hope you get yours figured out. If you haven't...
  21. 00YukonSLT5.3Rwd

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    After throwing the book at the truck for the past year, I finally fixed my loss of power/shifting issue with a simple $52 fix. I replaced the MAP sensor.
  22. 00YukonSLT5.3Rwd

    Lifter noise

    I have the tick. I usually let it warm up for a minute before I drive it. I run semi synthetic 530 oil. I just did my knock sensors. While I had the intake off, I used about a can of 2+2 on the intake ports of the heads to clean the layer of oil and dirt out of them. Also put the intake in a...
  23. 00YukonSLT5.3Rwd

    Knock sensor

    Just did mine with ac delco off amazon. Light is out. Engine was pinging and still not running right. Found today the MAP sensor was bad as well. Runs like a champ now and ping is gone
  24. 00YukonSLT5.3Rwd

    Power Loss, Bad Mpg, Weird Shifting

    Well I put good gas in my Yukon and it was still pinging. So I hooked my scanner up and started doing tests. I tested the MAF sensor and it was reading properly. Fuel pressure seemed good, throttle sensor reading properly. Temperature was right. O2 sensors normal. Then I got to the MAP sensor...
  25. 00YukonSLT5.3Rwd

    OK someone tell me what this noise is

    I would agree with him on the cv joint. Also check hub bearing. You don't have a brake pulse do you?

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