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Mazda MAZDA6, Hatchback, Sedan, Wagon
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#2523 of 2858 Strange Whining Noise
Apr 06, 2009 (9:32 pm)
Hoping that someone here can help me out or relate to my experience. I have a 2009 Mazda6 S (only 1,000 miles on it) and anytime the engine is running there is a very loud Whining noise which seems to be coming from the rear passenger side (fuel pump?) but I may be wrong about location its hard to tell. The sound is pretty annoying and totally detracts from the nice purr of the V6. Anyone else notice this in their 6 or any they have test driven? Dealer told me it was "normal engine noise" surprise surpise. I took it to Browning Mazda where I leased it from.
Thanks for your help!
#2524 of 2858 Re: Strange Whining Noise [jimosu]
Apr 08, 2009 (9:16 am)
There is a whining noise upon startup when the pump is priming. That lasts about 2 seconds. If it persists, there has to be something else.
Apr 11, 2009 (7:54 pm)
Ok, I own an 04 6s (wagon) I have a 100k warranty from Mazda .and garage kept . I had the fuel pump replaced at 42,000 miles. Car would die when cornering, or hard exeleration.
My new problem is a ticking noise on a cold start up, and a raw fuel smell. 55,000 miles now. I had the PCV replaced (not covered under warranty)... This clicking noise goes away about 60 seconds... Seems like it is on the passenger side by the wheel, under the hood. So the dealer could not verify the noise. I hope it is not LOW oil pressure. No codes or an oil light on. What do you all think?............
#2526 of 2858 Re: Strange Whining Noise [chikoo]
Apr 11, 2009 (7:57 pm)
Is this about my "ticking" noise apon start up? or another persons problem?
#2527 of 2858 Re: Engine Noise -- Ticking [espumoso]
Apr 11, 2009 (8:25 pm)
YES I 2 have a ticking sound at idel cold start up on my 04 6s wagon. Then goes away. But it did constantly make this noise and had a raw fuel smell and a heavy smoke. I had the fuel pump replaced $800.00 warranty covered that. Also had the PCV replaced $350.00 not covered under warranty. Now it is only at cold start up, but the fuel smell seems to be comming back. after 4000 miles. hope this helps you.
#2528 of 2858 Re: Tapping/Ticking Upon Acceleration [lg2207]
Apr 21, 2009 (2:56 pm)
did you get your ticking issue fixed and how's the result? I have a 06 wagon 3.0L V6, similar problem as what you describled, ticking sound goes obvious when car is under load but can be easily coverd by road noise, I had to pull my car on my drive way with some degree of slope there and slowly push my gas pad to make it obvious without road noise, and ticking frequency correlates with engine RPM. my car had 50k miles already, not sure if it will still be under warranty. if you get this issue fixed and won't mind to share the experience, that will be great!
#2529 of 2858 Re: Tapping/Ticking Upon Acceleration [akodmen]
Apr 22, 2009 (11:26 am)
Yes, it took three tries and trips to the dealer. There is a TSB which I will look for- It has do with the brackets/rubber gasket and placement of the purge valve.
There are thicker rubber mounts for the purge valve that help absorb the vibration/sounds that come from the purge valve- in my case- the tech needed to actually shift the position of the mounts and the purge valve to eliminate the noise.
Send me your email and I will forward the TSB
#2530 of 2858 Re: Tapping/Ticking Upon Acceleration [lg2207]
Apr 23, 2009 (10:20 am)
larry, thank you for sharing your experience, I couldn't see your email on your profile, can you pls mail me to: akodmengmail.com
By the way, how bad was your condition as of ticking sound, Mine sound more like very light 'da.. da..' and at first time I thought that was some type of radio noise and had to sit inside of cabine to hear it clearly (never tried to stand beside the engine since it's not noticable when engine is runing at idle) . had to push the gas pad to make it more frequent and more obvious around 1~2k RPM.
Thanks a lot!
#2531 of 2858 Re: Tapping/Ticking Upon Acceleration [akodmen]
Apr 23, 2009 (11:57 am)
It sounds like the same exact thing that I had. It was a pain in the ass for the dealer and me as it was slight and hard to pin down- but the tech did a good job finding the TSB and resolving it after two trips- does not affect performance or the engine. Just bad design! Will send the TSB via PDF.
#2532 of 2858 tapping noise
Apr 26, 2009 (9:04 pm)
I have the 2009 mazda6 2.5 I4. I am noticing a tapping noise when accelerating from a stop at low rpm, as the car shifts, the noise is gone, so only appears at initial acceleration. It does not happen when idling. And I only hear it in the evening probably because of much less outside road noise at night compare to driving during the day.
I tried reproducing when at idle, I can hear it if I rev up slightly to 1000 rpm. if I increase the rpm, the tapping sound is gone. Is this normal of this engine, or should I be worried and take it in for service? I did notice on my oil change receipt from the dealer that they are using bulk 5w30 oil. The manual recommends 5w20 oil. Could the
thicker 5w30 oil be causing this issue?