20 Most Recent 2013 Audi Q5 Questions & Answers

I would try replacing the ambient temp sensor. It is located in front of the radiator near the bottom. You should be able to see it from under the car.

isolate the grinding noise asap have someone stand outside the vehicle and drive by and have them tell you front or back

The most common reasons are listed below. As you vehicle is reasonably new some of the one further down the list will be less likely but it does happen. How long after the repair did the vibration start? If it was on the same day or a few days after take it back to the repairer so they can check their work. On rare occasions even brand new parts can be faulty. It's happened to me with a front wheel bearing. 80 miles and it made more noise than the old one. I would suggest you get the first 2 on the list checked first as these are the cheaper and simpler fixes. Wheel and tyre not balanced, Badly worn tyre, Warped brake disc, Worn wheel bearing, Worn CV joint, Drive shaft out of balance, Worn suspension parts.

Try this:

You need to have the transmission control module (TCM) scanned for fault codes, this is a must.

That gas is not intended for your car. You should only fill from pumps with the proper size nozzle.

REPLACE THE CHANGER.