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5268 lbs
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Six
If it has nav system it is in the center counsel
to my knowledge ther is no purge valve, but in reference to what .
13 city 17 hwy Roughly
On the bottom of the radiator it a purge valve
Look it up somewhere eles, like a car website or somthing
No. This forum does not allow picture attachments. Best bet is to visit one of these two places as your question involves dropping the tank. For an Envoy Denali - www.trailvoy.com For a Yukon Denali - www.fullsizechevy.com
Shut up you idiot!
It is located on the upper right rear of gas tank. You have to remove tank to access it.
Purge solenoid.