Whistling noise when accelerating

toyota
rav4

#1

We just purchased a used 2008 Rav4 with 47,000 miles and it is making a whistling noise when over 40mph. The noise gets louder the faster it goes but noise stops when foot is off the gas pedal. Took it to my guys to have a look see and they mentioned dirty trany fluid but the problem lies in the transmission/differential. Took it to Toyota (b/c we have a warranty) they could not find anything wrong and they stated this noise is normal. Should we take it in for a third party or just turn up the radio?


#2

I can’t hear it from here, but it might be an exhaust leak.


#3

I made an appointment for a tranny flush and to check for exhaust leaks. Thanks.


#4

You might also want to check for a leak in the intake. You can use a short length of garden hose as a stethoscope to help you find the source of the noise.

I made an appointment for a tranny flush

You should think about that one. Look for a transmission fluid change with a clean filter. It is better for your car and likely cheaper. Far too many of the transmission flushes are done to just flush the owner’s wallet.


#5

Did you ever find out what was causing this? We just bought a 2008 RAV4 (4WD) with almost the exact mileage (48,000) and are experiencing the same thing! The (non-Toyota) dealer told us it was the variable valve timing and that it’s a normal sound. But we test-drove similar RAV4s and didn’t hear the sound.