Service lifetime transmission fluid or leave it alone — 2024 EV9
The manual treats the fluid as lifetime under normal conditions, but the vehicle is getting older and I plan to keep it. What are owners doing in practice, and…
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Repairs & ownership
Vibration under acceleration but not while coasting — 2018
Quick one about the Outlander. The car is smooth at the same road speed when I lift off, but under moderate acceleration I can feel a vibration through the flo…
Temperature climbs in traffic but drops once moving (Dallas)
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…
Intermittent hesitation pulling away from a stop — buyer question from San Diego
Every few days the car hesitates for a split second leaving a stop, then drives normally. No permanent warning light. I want to know what data to capture the n…
2019 Toyota Camry: Radar warning after windshield replacement
A driver-assistance warning appeared after glass work. 2019 Toyota Camry, about 88,700 miles. I would rather book one useful diagnostic visit than another quic…
Readiness monitors complete but the original fault is unexplained
The follow-up scan is ready, yet there is still no account of why the earlier codes were cleared. I am comparing actual written terms rather than trying to gue…
2013 Infiniti G37 — weird vibration only between 62–70 mph
Quick one about the G37. Car is smooth around town, but on the highway I get a vibration in the steering wheel and seat between about 62 and 70 mph. Above that…
CTS-V: new pads squeal at parking-lot speeds
Noticed this on the Cadillac: this started as a small annoyance and I finally decided to track it down. Pads and rotors were replaced recently and stopping per…
2007 Toyota Camry — buzzing noise only at one engine RPM
There is a light buzz from the dash at one narrow RPM range. It disappears above and below that speed. Any good method for locating trim resonance without rand…
4Runner: blower works on some speeds but not others
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…
CR-V steering wheel vibration only at one highway speed — 2021
The car is smooth around town, but there is a noticeable steering-wheel vibration in a narrow highway speed range. It gets better again above that speed. Tires…
New pads squeal at parking-lot speeds?
Noticed this on the RX-7: pads and rotors were replaced recently and stopping performance is good, but there is low-speed squeal. Hardware was cleaned and lubr…
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…
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…
Clean history report but corrosion under the car
Note: The report looks uneventful, while inspection photographs show corrosion. Detail: I have time to clarify this before committing. Question: Which detail w…
2012 Toyota Prius hybrid: P0401 without a constant rough idle
The code returns, but normal commuting feels mostly unchanged. What should I bring so the appointment is useful?
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…