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09-19-2012, 06:57 PM #1
- Join Date
- Nov 2010
Changed my antifreeze. Got a question.
06 Yukon XL.
Past time to change the antifreeze. Haynes showed picture of radiator drain.
Said pull the rubber drain hose down. No drain hose.
OK. Next step.
Said turn the little knob. No knob. What the heck.
Why is there no knob???
Probably cost to much.
Haynes showed a picture of the block drain plugs. Said to drain the block.
Right, one was above the starter. I might have been able to get to it if I pulled the wheel.
The other was above the transfer case. Probably same deal.
I was worried about getting them back in. I said forget that plan, go to plan 'B'.
Pulled the bottom hose and then the top. I was really surprised at how easy the hoses came off.
Got about 2 1/2 gallons out and back in.
09-20-2012, 12:09 PM #2
I noticed the same thing on my 05 yukon xl last night. I was looking for a possible coolant leak and noticed that there is no knob on the petcock. There is a drain tube there, but no knob or wing shaped thing. I too will pull the lower hose when it is time to drain it. one day when I am feeling ambitious I will take a look in the hole with a mirror and flashlight and see what is going on in there. Maybe someone else knows whats up with this
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
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