did you ever figure out what was causing 4.? My bighorn is clunking in the rear as well ( i removed my spare tire and it is still doing it).I purchased a 2025 1500 big horn level 1 equipment group 3 weeks ago. Overall I like the pickup. So far just under 700 miles.
Issues:
1. Low windshield washer fluid warning comes on sometimes. It's full
2. Two times now, when in park, the exhaust note pulses. However, the RPMs don't pulse. After driving again for a short time, it goes away when in park again.
3. Kinda has a rough ride compared to rams I've had in the past.
4. Over slightly aggressive bumps, there is a clunk from the rear. Not sure if it's the spare tire or the tailgate. There is a little vertical play on the tailgate.
I have not brought it in to the dealership for anything yet.
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