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I think most problems are associated with early released vehicles, prior to sw updates, etc. New shipments should be much better/ok according to most reviews i've read on jeep's web site. I didn't experience any of the problems mentioned above with my jeep.Report it
Wheel balance is the first thing I'd check on the vibration at 70 mph. This should be an easy solution. See if they use a force balancing machine at your local dealer. This did wonders for my oversized tires on my wrangler. For the temperature, a computer software update may be the answer. The only other consideration is the internal ambient temperate of the vehicle. If it's winter in my Jeep, and it's 20 degrees in the car, when i set the temperature to 74 degrees on my side of the car, once the car warms up the air that comes out is significantly warmer than 74 degrees. The idea here is to use warmer air to change the internal temp of the car to 74 as quickly as possible. The fans will be moving fast and the air is hot until the interior temperature approaches the goal temperature. Then the fans will decrease their speed and the air will become cooler. There are some variables with this heat issue that a dealer would probably need to see. Jeep is great to work with though, so if you're not getting answers to your satisfaction at one dealer, try another. It may be the difference in how one dealer handles service issues compared to another to keep you a happy Jeep customer.Report it
Check out "Jeep garage forum" and read all the issues with the 2014 Grand cherokeeReport it
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