2003 Yukon smokes out of tail pipe
Asked by Tucker2433030 Sep 10, 2018 at 05:59 PM about the 2003 GMC Yukon XL
Question type: Maintenance & Repair
1 Answer
Hornet_2497 answered 6 years ago
Sounds like you have a leaking head gasket allowing antifreeze into the combustion chamber. That's a fairly common problem, especially on the 350 Chevy engine.