Humming with throttle?

Asked by May 15, 2017 at 03:58 PM about the 2000 Subaru Outback Base Wagon

Question type: Maintenance & Repair

My car started humming while under throttle. It is continuous with the cruise
on. At low speeds the shifter buzzes until you hit 35mph. It doesn't hum while
parked with ignition on and tranny in park, neutral, or drive. I have no check
engine light or any warning lights. I have checked the fluid level and it is fine.
I'm at a loss on this one. Any help would be greatly appreciated.

5 Answers

76,675

Maybe worn gears in the transmission. Have you checked the gear oil level or changed it?

1 of 1 people found this helpful.

I was hoping it wasn't the tranny. Wishful thinking on my part. Thanks for the help. I got the car from my brother and he put a used tranny in it. That's why it was my first thought.

5,540

Maybe he didn't set the differential tolerances correctly...or could be a bad pinion mating. Check the setup before trashing the trans, as these noises are usually the diff.

1 of 1 people found this helpful.
20

I had a similar issue in my car. But it wasn't a humming. It was a vibration at low speeds. It wasn't super bad and it went away so I put it off. But it came back with vengeance. It got super bad. Through first and second gear is vibrated so much it shook my feet. So I had to cave even though I couldn't afford the repair. Got a really nice mega of to help me out. They put my car into the air and my cv joint was completely shot. Not even sure how I was driving. It looked like someone had torn it open. Thankfully I bought a warranty on this lemon and am getting my monies worth out of it. Symptoms I had. Vibrating shifter knob when accelerating through first and second gear. Sounded like a very loud clunking/knocking/vibration from under my feet (as the front drivers side was the torn one) Replaced both front cv axles and the boots. Problem Solved

1 of 1 people found this helpful.
5,540

Check that BOTH half-axles are fully pushed into the diff.

1 of 1 people found this helpful.

Your Answer

Outback

Looking for a Used Outback in your area?

CarGurus has 584 nationwide Outback listings starting at $2,495.

Postal Code:

Subaru Outback Experts

  • #1
    Markw1952
    Reputation
    7,980
  • #2
    TheSubaruGuruBoston
    Reputation
    2,610
  • #3
    F_O_R
    Reputation
    2,370
View All

Related Models For Sale

Used Subaru Forester
51 Great Deals out of 988 listings starting at $1,900
Used Subaru Impreza
56 Great Deals out of 827 listings starting at $2,188
Used Subaru Legacy
24 Great Deals out of 439 listings starting at $3,295
Used Honda CR-V
51 Great Deals out of 2,525 listings starting at $1,997
Used Toyota RAV4
54 Great Deals out of 3,159 listings starting at $2,495
Used Toyota 4Runner
7 Great Deals out of 436 listings starting at $5,990
Used Toyota Highlander
23 Great Deals out of 650 listings starting at $838
Used Toyota Tacoma
37 Great Deals out of 871 listings starting at $5,990
Used Jeep Grand Cherokee
101 Great Deals out of 2,740 listings starting at $1,695
Used Honda Accord
81 Great Deals out of 1,074 listings starting at $1,200
Used Toyota Camry
62 Great Deals out of 1,933 listings starting at $850
Used Ford Escape
191 Great Deals out of 5,592 listings starting at $1,215

Used Cars For Sale

2018 Subaru Outback For Sale
65 listings starting at $30,700
2017 Subaru Outback For Sale
12 Great Deals out of 99 listings starting at $28,085
2016 Subaru Outback For Sale
26 listings starting at $25,495
2015 Subaru Outback For Sale
20 Great Deals out of 115 listings starting at $20,995
2014 Subaru Outback For Sale
56 listings starting at $14,895

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.