[Tara Martin]

Originally Posted by keep_hope_alive

I'm treating it like it needs the same procedure.

Good luck, Sir! Any updates on your engine break-in or any anomalies?

Tara

[keep_hope_alive]

Originally Posted by Tara Martin

Good luck, Sir! Any updates on your engine break-in or any anomalies?

Tara

So it's been about 1,800 miles so far. I did an oil change at 1,500 and am sending it to BlackStone Labs for analysis.

I still haven't gotten above 5k rpm. Car feels like it has more power than before, but it could be the 2 months I went without also. Hard to say. It's fast regardless.

Car is ok. I feel like the transmission behaves a bit rougher at times than before. I had to fix a window seal issue. And I've lost communication with the Telematics unit (OnStar, Internet). Dealer won't touch the Telematics issue since I used a PAC-Audio breakout harness, they are saying that somehow, 7 months after I installed it, and after being with them for 2 months, that it's because that harness compromised the pins in the radio harness.

I think it's an antenna communication issue, but the only way to confirm is to remove the shark fin and test it. I measured resistance of the coax cable/antenna combo from the Telematics unit and one had 10k ohms (expected) and one had 500k ohms (likely an open circuit). So, it's either a failed antenna or the coax cable has a broken internal wire. Regardless, my acoustical treatment and audio efforts place this issue in m lap, not theirs.