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  1. Douglas Friedberg

    2006 Yukon XL SLT Body Patch Panels

    Been looking around at ideas of repairing rusted Yukon, rockers, rear lower panels and wheel arches rotted, seen what ebay has to offer and a few others but i have not seen any panels made in fiberglass. also regarding the steel patch panels who has worked with these panels when it comes to...
  2. Douglas Friedberg

    Just to say Hello and Thanks for some of the replys here.

    Just a 72 year old gear head with 20w50 blood type. My love is drag racing and the yukon XL gets me there. I like building Mark4 BBC 1100 plus HP NA motors to 10,000 RPMs and clutch 4 speed trans. I do my own chassis work and 4 link system always upgrading my Chevelle SS Use to have a shop...
  3. Douglas Friedberg

    OBD 2 codes and operation OF

    Well end result after replacing fuel pump and by the way pump works find just tubes rotted off after 245,000 original miles on pump, 2006 date coded 2005 on pump, hey that lasted awhile i guess. I had to go through 3 gas caps as well even new one was a dud. Vehicle pass emissions hear in...
  4. Douglas Friedberg

    Rear blower motor gremlins

    In reference to rear ac heat blower motor operation it seems that when people use the rear seat for some reason the blower winds up coming on when the controls are left on all the time anyway. Werd but maybe not, is the wire loom under seating area for rear controls to rear ac heat unit blower...
  5. Douglas Friedberg

    OBD 2 codes and operation OF

    Ouch. Sorry have a bad habit of posting without rereading and finding big fingers mistakes and sir ******* up word corrections. But thanks for info my intent was to close system if it where n/c valve my Unplugging it. But found that it’s a n/o valve so that kills that idea. But interesting...
  6. Douglas Friedberg

    OBD 2 codes and operation OF

    So the vent valve is n/o and forced closed by system. Is the BBC answer why it’s hot to the touch.
  7. Douglas Friedberg

    OBD 2 codes and operation OF

    Both connection tubes 5/16. And 3/8 steel output lines of pump where rotted and cracked almost in half.
  8. Douglas Friedberg

    OBD 2 codes and operation OF

    End result of evap code was fuel pump rott. The pressure side rotted in half springing a fuel leak dropped the tank found original pump 240,000 miles and return side back feeds evap system was rotted in half as well. Many dollars later and fuel line replacement and repairs system is now sealed...
  9. Douglas Friedberg

    Keeping coolant and transmission temps under control when towing in the summer heat

    Many transmissions burn up towing and that idea eliminates the problems.
  10. Douglas Friedberg

    Keeping coolant and transmission temps under control when towing in the summer heat

    Read some of your postings. Interesting info. I tow a 5000 lb load with my 2006 Yukon xl 5.3. Haven’t had the problems with my two 1500 mile trips. Other then keeping it out of overdrive going through the KY mountain area. I wonder what the diff are between the two trucks. But was in sept...
  11. Douglas Friedberg

    Rear blower motor gremlins

    Someone mention looking through the ac posts that wiring diagrams where posted somewhere for rear ac systems Mine being 2006 Yukon XL SLT my gremlin is the rear blower motor hot or cold works when it wants to. And when it does everything works as advertised when it doesn’t no blower motor...
  12. Douglas Friedberg

    "Solved" Exhausted and dont know where to turn - vibration

    I bought a 2006 Yukon xl last October. 2020 240,000 miles Cal. Trip miles family miles not worried so much not like it’s city miles with short trips Had all theses vibration problems crop up like dominos Shifted belts on the tires changed them. Still various speed vibration problems...
  13. Douglas Friedberg

    2006 Yukon xl emergency brake system

    Thanks everyone for your answers I really find it hard to understand why a crappy system was invented when the single piston caddy caliper could have been redesigned alittle and become a proven system and used. Most of the design was there already. Every in rotor parking brake system if seen...
  14. Douglas Friedberg

    2006 Yukon xl emergency brake system

    Ok I got a surprise I wasn’t happy to find. Apparently these e brake systems don’t last long. As I took apart my rear end to get other work done I found out why e brake doesn’t work because it’s all gone. Someone gutted the system and all is gone. so what’s the best thing to do buy all the parts...
  15. Douglas Friedberg

    For the new members wondering if 100 or 200k is high miles

    None of the credit belongs to the big three that’s for sure. But it’s a slow payment for a vehicle 10 times the cost of a new one. If it wasn’t for people doing their own repairs saving a vehicle or to afford one these junks they design would be all going in 10 years. The Rich have it right buy...
  16. Douglas Friedberg

    Tell me why I need a Tech 2.

    Great thread. Thanks guys my hats off to you all
  17. Douglas Friedberg

    OBD 2 codes and operation OF

    I can understand that and thanks for info. First thing I looked for was hoses. Nice that there not using so much rubber anymore but that was the first thing I always look for. Someone had the tank down it looks like to me all new hose clamps and some hoses.
  18. Douglas Friedberg

    OBD 2 codes and operation OF

    The evap system did cycle into system ok and ready fir about a month. While it did come up with code again of leaks I did play around with what set off the code sooner as farc as gas tank half or full doesn’t make a diff. While Iam on fuel matter. I come to find out Yukon is 2006 flex...
  19. Douglas Friedberg

    OBD 2 codes and operation OF

    I used ac delco for purge valve. And auto zone stuff in back. While I did disconnect vent solenoid in rear it never came back with leak codes but just solenoid code understandable. However once I plugged rear sol back in sol code went away as did dash one indicator and next day small leak...
  20. Douglas Friedberg

    OBD 2 codes and operation OF

    Never know enough about OBD2 system, But i keep getting evap error codes large small leaks, i went through the system found bad purge sol. replaced it then replaced rear vent solenoid and checked the lines, replaced gas cap twice, and then i thought i would play around with trying to fool the...
  21. Douglas Friedberg

    2002 Tahoe..Help with rotational whirring.

    Have the same noise i believe transfer case noise traveling through drive shaft and makes it seem like rear axle bearings Not so i changed axle bearings and that noise is still there not rer end or pioion bearings either. G80 differencial 2006 yukon rear end oil free of any dibris of metal...
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