2017 Audi Q7 — clunk when changing from reverse to drive
2017 Audi Q7 3.0T, about 138,000 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruising.…
Transmission
Repairs & Ownership
2023 Rivian R1T — humming rises with road speed, not engine RPM
2023 Rivian R1T Quad-Motor, about 42,500 miles. There is a low hum that rises with road speed regardless of engine RPM. Turning slightly left or right changes…
TowMechanicish588Community StarterJan 13, 20262023 Rivian R1T Quad-MotorOrange County4 replies0 helpful
2021 Lexus ES 350 — delayed engagement into Drive when cold
On cold mornings, shifting from Park to Drive takes a second or two before the car actually engages. Once warm it's instant and shifts fine. Fluid level/condit…
2024 Kia EV9 — service lifetime transmission fluid or leave it alone?
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…
2024 Lexus RX — 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…
2024 Subaru WRX — 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…
2024 BMW i4 eDrive40 — should I service 'lifetime' transmission fluid?
2024 BMW i4 eDrive40, about 48,000 miles. Manual says the transmission fluid is lifetime under normal use, but the car is approaching 80k miles and I plan to k…
2024 Lexus RX 350h — should I service 'lifetime' transmission fluid?
2024 Lexus RX 350h, about 96,000 miles. Manual says the transmission fluid is lifetime under normal use, but the car is approaching 80k miles and I plan to kee…
2024 Polestar 2 — service lifetime transmission fluid or leave it alone?
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…
CanyonMiles540Community StarterJan 5, 20262024 Polestar 2 Long Range Dual MotorPortland4 replies0 helpful
2021 Lexus ES — 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…
2016 Audi A4 — delayed engagement into Drive when cold
2016 Audi A4 Premium, about 127,000 miles. After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. O…
2007 Toyota Camry — humming rises with road speed, not engine RPM — buyer question from Orange County
2007 Toyota Camry LE, about 135,000 miles. There is a low hum that rises with road speed regardless of engine RPM. Turning slightly left or right changes the s…
2023 Toyota 4Runner — delayed engagement into Drive when cold
After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. Once warm it behaves normally. Would you sta…
2025 Lucid Air — service lifetime transmission fluid or leave it alone?
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…
Anyone else: 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…
SmoothGuy86Community StarterDec 20, 20252021 Chevrolet Silverado 1500 LTZ 6.2Michigan1 reply0 helpful
2014 Ford Mustang — service lifetime transmission fluid or leave it alone?
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…
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…
TrackMom50Community StarterDec 15, 20252021 Chevrolet Silverado 1500 LTZ 6.2Nationwide10 replies0 helpful
2018 Kia Optima — 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…
2023 Hyundai Ioniq 5 — light-throttle shudder around 35–45 mph
2023 Hyundai Ioniq 5 Limited, about 45,000 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range. Harder acceleration or…
OldSchoolWeekendCommunity StarterDec 6, 20252023 Hyundai Ioniq 5 LimitedCharlotte22 replies0 helpful
2021 Chevrolet Silverado 1500 LTZ 6.2 — question: Silverado light-throttle shudder: engine or transmission?
2021 Chevrolet Silverado 1500 LTZ 6.2, about 118,000 miles. At steady speed with light throttle I get a vibration that feels almost like driving over fine rumb…
TowLearner62Community StarterDec 5, 20252021 Chevrolet Silverado 1500 LTZ 6.2Detroit34 replies0 helpful