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  1. Matahoe

    Missing Bose components?

    I noticed yesterday that I got the Bose speakers as evident by the label on the door grill. However there does not appear to be a "BOSE" label on the radio head unit. Nor is there a subwoofer at the left drivers side rear speaker location in the back. I also looked under the cup holder and don't...
  2. Matahoe

    Vehicle wandering - Thinking maybe control arm?

    Looking for some suspension advice here on the forums . My Tahoe's been aligned but every time I go back to the shop they say it's out of alignment a bit. Also the truck wanders a bit. So I looked at the bushings and they all look dry rotted. I have a 2005 so I guess its time to replace all...
  3. Matahoe

    Clear Condensate Under Oil Cap

    Thank you for your input sparky! Would sending in a Blackstone oil sample be of any additional benefit? They test for trace amounts of antifreeze in the oil. This, and checking for the Castech logo would be the preverbial nail in the coffin if you will. What say you guys? Any other tips before...
  4. Matahoe

    Clear Condensate Under Oil Cap

    Hello. I have a 2005 Tahoe with 5.3T engine. I have what I believe is the infamous missing coolant issue. Coolant recovery canister always empties over time. I have to keep adding 50/50 Dexcool to fill canister to the halfway point. I also can't find any drips or smell of coolant exterior to the...
  5. Matahoe

    Intermittent rough idle and performance

    Brand new throttle body, intake manifold cleaned inside out. Old GM intake gasket had noticeable missing silicone material missing around many cathedral interfaces. Vehicle has more getup and go after intake manifold and knock sensor replacement. Had an issue with engine pinging at heavy/wot...
  6. Matahoe

    Intermittent rough idle and performance

    Hey everyone. For the most part the 5.3 liter engine runs great. However at times more often than not the engine has a very noticeable rough idle. Not so much rough on a consistent per revolution but rather a definite hard stumble or as of someone injected water into the engine at random and...
  7. Matahoe

    Exhaust manifold leak

    Looks the same as the Dorman solution. I am going to try the nut weld strategy and keep you all posted.
  8. Matahoe

    Trans Shift issues 03 Yukon Xl Denali

    I usually combine a filter replacement and flush within a year of each other. It's A1 on my list after buying a used vehicle. No matter what the previous owner may have done. I just dont trust those quick oil change bays people often go to. Same time flush and filter replacement usually costs...
  9. Matahoe

    Trans Shift issues 03 Yukon Xl Denali

    FWIW I have had the transmission flush done with 3 trailblazers and 1 tahoe and 3 suburbans. All with over 150K. If you don't opt for the flush...then just get a pan drop. If you have the deep pan that will replace about 6 or 7 quarts. The end goal is to replace as much fluid as possible...
  10. Matahoe

    Trans Shift issues 03 Yukon Xl Denali

    Always start with codes first. Don't throw parts at it thinking that will fix it. The code could point to coolant temp sensor, throttle position or other. In the mean time check the condition of the transmission fluid. My suggest would to have the dealer flush service. This might unstick...
  11. Matahoe

    Exhaust manifold leak

    Looking for advice on how to replace the exhaust manifold gaskets. I bought a 2005 Chevy Tahoe LT 5.3 in Nov of 2015. At the time I didn't notice a slight exhaust leak. This past week it has been noticeable more. I looked at both manifolds and the last bolt on each side is broken off at the...
  12. Matahoe

    Buzzing Woosh noize behind IPC

    It never happens when giving it gas at a stop. So that rules out the tachometer. It consistently happens when I give it gas in the snow or ice and the rear wheels spin. But sometimes it happens when I have good traction. I am going to remove the cluster and see if it stops. If it does then its...
  13. Matahoe

    Buzzing Woosh noize behind IPC

    So I was thinking today...how can I describe the noise better. I will get a video on here sometime. The noise sounds like one of those small cheap wind up toys that flip and stuff. When you let them go you hear the gears buzzing. That's exactly the sound I hear. Any ideas I would like to hear.
  14. Matahoe

    Buzzing Woosh noize behind IPC

    This is hard to explain but I will try. I got a buzzing/swooshing sound coming from behind the gauge cluster. It happens every once in a while but mainly after the first drive of the day speeding up and going past 10 or so MPH. I notice the sound comes on at times when "Traction Control Active"...
  15. Matahoe

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

    We had a bad gas smell coming from underneath for months. Fearing the worst I took it upon myself to remove the tank to inspect everything. Long story short the pump was severely corroded to the point of leaking. It was a bear to replace. It needed new connectors and such. Luckily I got a good...
  16. Matahoe

    Newbie

    Will hopefully get some posted tomorrow. BTW..thanks for the welcomes!
  17. Matahoe

    Driver seat heater not working even after OEM replacment

    Hello and good day to you folks. Kind of diving right in here as its my first post on these forums. I am wondering what the problem could be with my seat heaters in my 2005 Tahoe. I just replaced the drivers side with the OEM part and it went it good. It is hooked up but it wont heat up...
  18. Matahoe

    Newbie

    Hey folks. Thought I would post an introduction. My name is Matt. We got a 2005 Chevy Tahoe LT 4x4 a few months ago. I'm fairly skilled with car work with 20 years exp. My family likes to take trips with our travel trailer. I found this site while searching for the best advice on my vehicle.
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