1970 Datsun 240Z — temperature climbs in traffic but drops once moving
Coolant temperature rises while sitting with the A/C on, then drops once the car is moving. Coolant level looks correct. Fans run, but I do not know whether th…
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Repairs & ownership
2023 Audi S5 — a/C is cold on the highway but warm at stoplights — Charlotte owner question
Quick one about the S5. The A/C works well with road speed but gets noticeably warmer at long lights, then cools again almost immediately once moving. Does tha…
Anyone else: surface rust underneath a winter daily — Salt Lake City owner question?
Noticed this on the Q50: there is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment s…
SleeperEnthusiastCommunity StarterJun 8, 20262018 Infiniti Q50 Red SportSalt Lake City5 replies0 helpful
2018 Mercedes-AMG C63 — new pads squeal at parking-lot speeds
This started as a small annoyance and I finally decided to track it down. Pads and rotors were replaced recently and stopping performance is good, but there is…
Model 3: single-cylinder misfire comes and goes (Orlando)
A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. Plugs are not very old. Would you swap coils, inspec…
Camry: wireless CarPlay drops at the same intersection — 2007
In Chicago, wireless CarPlay is reliable almost everywhere but disconnects at the same intersection on my commute. Does consistent location point strongly to R…
Coolant slowly disappears without an obvious leak — 2021 Highlander
The reservoir goes from full to low over several weeks. It's at 66,000 miles.
Civic: windshield replacement created a highway whistle
A windshield was replaced and now there is a whistle around highway speed that did not exist before. Glass looks seated. Any simple way to locate the air leak…
2025 Honda Civic — shudder at light throttle around 40 mph (Houston)
I get a light shudder at steady throttle around 35–45 mph. If I accelerate harder or lift off, it goes away. Trying to figure out whether this sounds more like…
TruckDriver39Community StarterJun 7, 20262025 Honda Civic Sport Touring HybridHouston5 replies0 helpful
2023 Lincoln Navigator — recall shows for my model but not my VIN
I saw a recall announcement that includes my model year, but my VIN currently shows no open recall. Is that usually because only a subset is affected, or can V…
PistonHauler96Community StarterJun 9, 20262023 Lincoln Navigator ReserveNYC / Long Island2 replies0 helpful
First used-oil analysis: what matters? — buyer question from Phoenix — 2024
Looking for a sanity check. It's at 13,500 miles. I am thinking about sending an oil sample to establish a baseline. For a normal street engine, which trends a…
2007 Porsche Cayman — dealer says they can't reproduce the problem
I've brought the car in twice for an intermittent warning and both times the dealer says no fault found. I have video and timestamps. What's the best way to do…
Sanity check: dealer says they can't reproduce the problem — 2023
I've brought the car in twice for an intermittent warning and both times the dealer says no fault found. I have video and timestamps. What's the best way to do…
Sanity check: extended warranty on a used luxury car
In New York, i am buying a used luxury car just outside factory warranty. Dealer is offering a service contract that is not cheap. What exclusions, labor caps,…
Rear end still feels floaty after new shocks
Shocks were replaced and there are no obvious loose parts, but the rear still feels vague over highway undulations. What alignment, bushing, tire or installati…
ApexEnthusiastCommunity StarterJun 7, 20262024 Toyota Tacoma TRD Off-RoadPhiladelphia4 replies0 helpful
F-250 metallic rattle for a few seconds after cold start
There is a short metallic rattle after the first cold start of the day, then it disappears once the engine settles. Warm restarts are quiet. Where would you st…
2018 Mercedes-AMG C63 — infotainment became glitchy after an OTA update
After a software update the screen occasionally reboots and one saved setting keeps resetting. Is there a normal post-update reset procedure owners should try…
Model Y check-engine light turned itself off — still scan it? — anyone dealt with this recently
The light was on for two days and then disappeared before I could schedule service. Car feels normal. Is there still likely to be useful stored or pending data…
Anyone else: a/C is cold while driving, warm at stoplights (Bay Area)
Noticed this on the Civic: a/C gets properly cold on the highway but becomes noticeably warmer at long lights. It cools down again almost immediately once the…
MileageBuilder65Community StarterMay 25, 20262025 Honda Civic Sport Touring HybridBay Area13 replies0 helpful
Sanity check: blower works on some speeds but not others (Los Angeles)
Cabin fan works normally on certain settings and then cuts out or changes speed unpredictably on others. Before replacing the blower motor, what should be chec…