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Our 2015 Q7 began the dreaded startup rattle around 15K miles, and has progressively worsened where it rattles now almost every morning, and even warm startups, after sitting for as little as 20 minutes. We brought it to the dealer's attention at the 25K service but they could not reproduce.
I've inquired twice now (at the dealer) whether or not a timing chain or tensioner issue is covered by the 10y/120k dieselgate fix, and they insist it is. I plan to get it in writing, just in case. We had the emissions recall done at 21K.
Just wondering if you have had any further prognosis ?????
Oil's been sampled before each change (we have the paid maintenance plan), and iron is averaging 140 ppm each 10k miles (we've tried two 5K changes and iron averaged 80 ppm). Blackstone says this is 3 times as high as universal average. Aluminum is a little high as well (but not so bad).
The vehicle is our family's transporter so it sees several short trips (<5 miles) a week, though it does warm up fully each time, according to the temp gauge. Occasionally we take trips over the mountains (~200 miles roundrip).
At the 35K service we brought it up again, and they actually confirmed after hearing it start it when it sat for an hour at the service drop-off. They kept it overnight, and were not able to reproduce the next morning so they sent us on our way. Sigh.
We have no intentions at this point to sell or move on because there just isn't any vehicle out there that has the same capabilities as our beloved Audi. Maybe if Chevy puts their vaunted I-6 new diesel into a Tahoe I just *might* be tempted