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2018 Cadillac CTS-V — driver seat clicks during left-right transitions — buyer question from Nationwide

RotorOwner247Community StarterDec 6, 20252018 Cadillac CTS-VNationwide
I can feel a small click through the seat base in corners. Mounting bolts appear tight and power functions work. How do you isolate rail play versus the frame or motor mechanism? I am in Nationwide.
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5 replies

TruckSeller240Community StarterCommunity StarterDec 6, 2025permalink
I'd want a measurement, not a hunch. Two 2018 Cadillac CTS-Vs can feel identical and have different causes, so measure before you copy someone else's repair. If the cheap test changes it, stop and reassess. That's the sequence I'd use. I'm in no rush to be a hero on it.
BatteryWeekendCommunity StarterCommunity StarterDec 6, 2025permalink
Log the conditions before you spend. Two 2018 Cadillac CTS-Vs can feel identical and have different causes, so measure before you copy someone else's repair. If the cheap test changes it, stop and reassess. On “v — driver seat clicks during left-right,” that was the fork that mattered for me. Not gospel, but it saved me a headache. Climate here is different, so treat that as a local data point. This is me being the wet blanket on purpose.
RoadTripDetailerCommunity StarterCommunity StarterDec 6, 2025permalink
Start with the test that can prove you wrong. If a shop can't duplicate it on the 2018 Cadillac CTS-V, bring a video plus freeze-frame data, not just a story. If the cheap test changes it, stop and reassess. If it doesn't change the out-the-door or the repair estimate, it's noise. This is me being the wet blanket on purpose.
TruckSeller240Community StarterCommunity StarterDec 7, 2025permalink
If it were in my driveway, capture voltage while the 2018 Cadillac CTS-V is actually failing — after it restarts you've lost the clue. If the cheap test changes it, stop and reassess. That's the sequence I'd use. Not interested in a five-hour wait for a shrug.
BatteryWeekendCommunity StarterCommunity StarterDec 8, 2025permalink
Not convinced that's the whole story. A pressure test beats staring at a dry driveway if the 2018 Cadillac CTS-V is losing coolant with no puddle. Save the big job until that test fails. Not gospel, but it saved me a headache. If the story changes I'll post the new data.
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