sounds like the brake booster is out...

 

That's what I thought too. Frank

 

Well gentlemen I finally settled on the 06 Yukon Denali. What a super ride and super vehicle. Where can I find an owners manual? Is ebay an option? And does it take premieum fuel? Thanks for all. Frank

 

Congrats on your purchase, get some pictures up when you can
You should only need 87 octane gas for daily driving, higher octane is only needed if you will be towing at elevation otherwise its just filling your tank and emptying your wallet..

Signup here and you can get a free e-version of your owners manual
-> https://login.yahoo.com/config/login...php?vehicleId=

 

Shoot us some pics when you get the time.