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  1. S

    Low MPG's

    I filled up before leaving Virginia on my way to South Carolina. The trip was 353 miles. I filled up this morning with 22 gallons. Hand calculated is 16 mpg. The computer is showing 16.5 so roughly the same. I have 140 some thousand miles on the Yukon now so could it be in need of a tune up. Thanks
  2. S

    Low MPG's

    yeah I'm going to keep track of the gas mileage and hand calculate. The same trip one years ago I got 19 MPG two months ago I got 16 so something is off just don't know what.
  3. S

    Low MPG's

    Tires are Nitrogen filled at the proper PSI.
  4. S

    Low MPG's

    I got the MAS and the Throttle Body cleaned. The TB was pretty dirty. I'm going on vacation tomorrow with a 350 mile one way drive. I will see how it does and try to get a data log when I get back. Thanks
  5. S

    Low MPG's

    I'm running Shell gasoline with the 91 octane performance tune.
  6. S

    Low MPG's

    Maybe I'm wrong but it seems like my gas mileage is getting worse. I have a 07 Yukon with a Black Bear Tune Airaid Jr. intake and Magnaflow muffler. The Black Bear tune has disabled the active fuel management and stays in V8 mode. My mileage around town is under 13 and highway is around 16. Does...
  7. S

    Nickel plated slip yoke.

    Everything I have read says not to use grease on 4X4's due to the grease contaminating the transfer case fluid. I dont want to cause more problems.
  8. S

    Nickel plated slip yoke.

    If I have this in the wrong section mods please move it to where I will get some replays. Thanks
  9. S

    Nickel plated slip yoke.

    Im having issues with the CLUNK in my 07 GMC Yukon. My question is where is the best place to order a new nickel plated slip yoke from.
  10. S

    Service Suspension System.

    How hard are these to replace?
  11. S

    Service Suspension System.

    Took it in to the dealer and was told the compressor was bad. Was told it would be 485.00 out the door. How hard are these to replace and what is the best option for a replacement compressor?
  12. S

    Service Suspension System.

    Could extreme cold temps have anything to do with it. Here in Virginia its been below freezing for the past few days.
  13. S

    Service Suspension System.

    Quick question about Service Suspension System on display. Today i went out and jumped in the Yukon and when I started it up I had the Service Suspension System on my display. It's been setting for two days with no issues at all before it was parked. Where do I need to start looking to find the...
  14. S

    2nd row controls.

    Anybody?
  15. S

    2nd row controls.

    2007 GMC Yukon.
  16. S

    2nd row controls.

    The display for the controls on the back of the center console are extremely dim and I can't figure out how to make them brighter. I've tried the dimmer switch but that only seems to adjust the brightness of the buttons not the display. Any ideas on this. Thanks
  17. S

    New Blackbear tunes.

    I finally got everything sent in and new tunes sent back to me. I got them loaded tonight and must say I'm pretty impressed with them. I went with the 91+ oct ECM and the Sport TCM. Also had the AFM disabled.
  18. S

    A little confused.

    So I got my email today with my tunes and I'm a little confused. It came with two ECM tunes and two TCM tunes. So do I load one of each for the ECM and TCM or is it just one of the four that I load to my truck. Thanks
  19. S

    GM Fault injured my child

    Sorry to hear about you sons fingers. When we bought our 07 Yukon it had around 100k miles and both front interior handles had started peeling. I ordered chrome exterior door handles and the two front interior handles and had them replaced at the same time.
  20. S

    Denali grill installed.

    I love the new grill but wife hates it. Says it looks like a cheese grater. Lol Anythings better than this.
  21. S

    Denali grill installed.

    Yeah I know I'm looking for one to replace the old one.
  22. S

    Denali grill installed.

    Got my new denali grill installed. Easy install and great looks.
  23. S

    Oil change. Mileage or life.

    So do you guys and gals change your oil when you reach a certain mileage or go by the oil life on the info screen.
  24. S

    Gas. Fill it up or not.

    I know with a lot of the newer vehicles they recommend that you don't top off the gas when filling up. Is this also true for my 07 Yukon. Thanks
  25. S

    Stock radio w/dvd for aftermarket dvd.

    I really don't like the factory radio/nav/dvd player in my 07 Yukon. From the looks to the function. I want to know if I buy an aftermarket radio will it be plug any play with the factory overhead monitor. If not what does it take to make it work. Thanks

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