2018 Infiniti Q50 — light-throttle shudder around 35–45 mph
2018 Infiniti Q50 Red Sport, about 138,000 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range.
Transmission
Repairs & Ownership
1988 Toyota Land Cruiser — clunk when changing from reverse to drive
1988 Toyota Land Cruiser FJ62, about 252,500 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration whi…
ManualEnthusiast82Community StarterMay 23, 20261988 Toyota Land Cruiser FJ62Cleveland8 replies0 helpful
Anyone else: Shudder at light throttle around 40 mph
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…
TorqueGeek60Community StarterMay 21, 20262024 Ford F-150 Lariat 3.5 EcoBoostSouth Florida20 replies0 helpful
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1968 Ford Mustang Fastback, about 161,500 miles. The manual treats the fluid as lifetime under normal conditions, but the vehicle is getting older and I plan t…
2023 Genesis G70 — humming rises with road speed, not engine RPM
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2021 Toyota Highlander — clunk when changing from reverse to drive
There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruising. What would you inspect first: mounts, d…
Shudder at light throttle around 40 mph
2025 Honda Civic Sport Touring Hybrid, about 78,000 miles. I get a light shudder at steady throttle around 35–45 mph. If I accelerate harder or lift off, it go…
TruckDriver39Community StarterMay 18, 20262025 Honda Civic Sport Touring HybridHouston5 replies0 helpful
2025 Toyota Camry — clunk when changing from reverse to drive — trying to narrow this down
There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruising. What would you inspect first: mounts, d…
2023 Mercedes-AMG C43 4MATIC — shudder at light throttle around 40 mph
2023 Mercedes-AMG C43 4MATIC, about 118,000 miles. I get a light shudder at steady throttle around 35–45 mph. If I accelerate harder or lift off, it goes away.…
2023 Acura Integra — clunk when changing from reverse to drive
2023 Acura Integra A-Spec, about 61,500 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cr…
2021 Chevrolet Silverado 1500 LTZ 6.2 — silverado light-throttle shudder: engine or transmission?
2021 Chevrolet Silverado 1500 LTZ 6.2, about 78,000 miles. At steady speed with light throttle I get a vibration that feels almost like driving over fine rumbl…
TruckMiles96Community StarterMay 5, 20262021 Chevrolet Silverado 1500 LTZ 6.2Nashville28 replies0 helpful
2025 Porsche Macan — humming rises with road speed, not engine RPM
There is a low hum that rises with road speed regardless of engine RPM. Turning slightly left or right changes the sound. Is that enough to suspect a wheel bea…
Shudder at light throttle around 40 mph
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…
Silverado light-throttle shudder: engine or transmission?
At steady speed with light throttle I get a vibration that feels almost like driving over fine rumble strips. It disappears if I accelerate. What's the cleanes…
DetailGalCommunity StarterApr 28, 20262021 Chevrolet Silverado 1500 LTZ 6.2Raleigh2 replies0 helpful
2008 Honda Accord — clunk when changing from reverse to drive
2008 Honda Accord EX-L, about 165,500 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while crui…
2025 BMW M3 — clunk when changing from reverse to drive
This started as a small annoyance and I finally decided to track it down. There is a single clunk when changing direction at low speed, especially reverse to d…
2021 Range Rover Sport — light-throttle shudder around 35–45 mph
2021 Range Rover Sport HSE, about 50,000 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range. Harder acceleration or l…
2021 Mazda CX-5 — clunk when changing from reverse to drive
2021 Mazda CX-5 Turbo, about 86,500 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruisi…
2023 Nissan Z Performance — should I service 'lifetime' transmission fluid?
2023 Nissan Z Performance, about 1,200 miles. Manual says the transmission fluid is lifetime under normal use, but the car is approaching 80k miles and I plan…
2024 Chevrolet Corvette — light-throttle shudder around 35–45 mph
2024 Chevrolet Corvette Stingray Z51, about 31,500 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range.
TrailDaily11Community StarterApr 13, 20262024 Chevrolet Corvette Stingray Z51Denver8 replies0 helpful