Buzzing noise from rear pass wheel area when parked - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

pszuvela · 08-29-2013, 03:41 AM

Over the last weekend I washed my car and when I got to the rear passenger wheel area I noticed a faint buzzing noise. At first I thought the tire might be leaking air but then realized it was some sort of electric buzzing, almost like a small pump. I didn't have the key on me and the car had been parked for over an hour.

Then again tonight I went out to put something in the truck and noticed it was doing it again. I hadn't driven it for over 4 hours!

Has anyone else experienced this and if so, do you have any idea what is making the noise? It may be totally normal operation, but I don't want to come out to the car one day only to find the battery dead from running some pump for no reason.

Any thoughts?

Thanks - Peter

Ghost 86 · 08-29-2013, 09:02 AM

Yes I went out in the middle of the night a couple weeks ago and heard this. No idea what it is but I forgot to even mention it on here

Freetime · 08-29-2013, 10:56 AM

holy crap, read your manual. Or search here for the 9844546546 threads about this already.

stevemp5 · 08-29-2013, 11:09 AM

Fuel pump test

Sigh-on-Rice · 08-29-2013, 02:58 PM

FYI, copy and paste from BRZ manual page 14.

Quote:

Noise from under vehicle after turning off the engine
Approximately five hours after the engine is turned off, you may hear sound
coming from under the vehicle for several minutes. This is the sound of a fuel
evaporation leakage check and, it does not indicate a malfunction.

gily25 · 08-29-2013, 04:01 PM

That messed with me a few weeks ago...it's crazy but normal...I feel like for all the other freakin warning decals on the car THIS actually needs a warning or at least more than a one line mention in the book.

pszuvela · 09-09-2013, 03:59 PM

Thanks for the replies. Glad to know it's just normal.

Freetime - Settle down man. I read my manual cover to cover when I bought the car in December. Must have just forgotten this part since I hadn't experienced it yet. Thanks for the response

.

michaelosx · 12-11-2013, 01:36 AM

Thanks for this post. I've already gotten used to the crickets, so when my wife called me out to the garage to check on a mysterious noise coming from the right rear wheel, I was not happy. I love my car, and I'm so relieved there is nothing wrong.

08-29-2013, 03:41 AM	#1
pszuvela Member Join Date: Jan 2013 Drives: 2013 BRZ Limited - Manual, WRB Location: Everett, WA Posts: 39 Thanks: 11 Thanked 7 Times in 6 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Buzzing noise from rear pass wheel area when parked Over the last weekend I washed my car and when I got to the rear passenger wheel area I noticed a faint buzzing noise. At first I thought the tire might be leaking air but then realized it was some sort of electric buzzing, almost like a small pump. I didn't have the key on me and the car had been parked for over an hour. Then again tonight I went out to put something in the truck and noticed it was doing it again. I hadn't driven it for over 4 hours! Has anyone else experienced this and if so, do you have any idea what is making the noise? It may be totally normal operation, but I don't want to come out to the car one day only to find the battery dead from running some pump for no reason. Any thoughts? Thanks - Peter

09-09-2013, 03:59 PM	#7
pszuvela Member Join Date: Jan 2013 Drives: 2013 BRZ Limited - Manual, WRB Location: Everett, WA Posts: 39 Thanks: 11 Thanked 7 Times in 6 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Thanks for the replies. Glad to know it's just normal. Freetime - Settle down man. I read my manual cover to cover when I bought the car in December. Must have just forgotten this part since I hadn't experienced it yet. Thanks for the response.

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08-29-2013, 09:02 AM	#2
Ghost 86 Senior Member Join Date: May 2013 Drives: 2013 Whiteout FR-S Location: Maineville OH (Landen) Posts: 104 Thanks: 12 Thanked 40 Times in 22 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Yes I went out in the middle of the night a couple weeks ago and heard this. No idea what it is but I forgot to even mention it on here

08-29-2013, 10:56 AM	#3
Freetime Senior Member Join Date: Mar 2013 Drives: Raven Manual FRS Location: Jacksonville, FL Posts: 275 Thanks: 84 Thanked 241 Times in 97 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	holy crap, read your manual. Or search here for the 9844546546 threads about this already.

08-29-2013, 11:09 AM	#4
stevemp5 Senior Member Join Date: Jan 2013 Drives: scion fr-s Location: montreal Posts: 217 Thanks: 89 Thanked 148 Times in 77 Posts Mentioned: 4 Post(s) Tagged: 1 Thread(s)	Fuel pump test

08-29-2013, 04:01 PM	#6
gily25 Senior Member Join Date: Aug 2012 Drives: Silica BRZ 6MT Location: 06103 Posts: 650 Thanks: 97 Thanked 115 Times in 92 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	That messed with me a few weeks ago...it's crazy but normal...I feel like for all the other freakin warning decals on the car THIS actually needs a warning or at least more than a one line mention in the book.

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