Get grounded with recognizing any issues with the GM 3.6L Engine Timing Chains so you know what to look for during any Test Drives before you Make The Deal. If the Dealership is the Seller... Make them put a Scan Tool on the SUV and show you a Live Reading of the PCM looking for any outstanding Engine Codes. Getting a CARFAX Report is also helpful and worth paying for.
Do you know about the timing chain problem that comes with the GM 3.6L V6 engine? We are going to tell you more and show some solutions for fixing the problem.
cararac.com
If it comes to pass, this is an expensive and complicated repair in more ways than one; even for Gifted Techs and Mechs:
@m.mcmillen has worked on this Engine and may have more information and experience about what to beware of here...