Annoying rattle, Transmission?
#1
Annoying rattle, Transmission?
I'm banging my head against the wall trying to figure this out. I took the car to Honda and they claimed to have fixed the rattle by replacing the engine mounts but here I am $900 poorer and the rattle remains.
The noise only occurs when pressing the gas pedal with the engine above 3,000 rpms. The noise is present with clutch engaged and disengaged, in gear or in neutral. It sounds like the noise is still present as high rpms but it's difficult to hear it over the engine noise.
I did run the car about 100 miles with the oil cap off, I checked the oil afterwards and only lost 1/2 quart of oil at the most. The noise started a few weeks after that incident.
Anyone have any ideas? I've searched around and the most common problem seems to be the throwout bearing however the noise remains with the clutch pedal pressed down as long as I give it gas.
A buddy and I plan on taking apart the transmission once we're a bit more confident it's where the noise is actually coming from.
I captured a video of the noise @
[media]http://www.youtube.com/embed/D2Ndoyx5lag[/media]
The noise only occurs when pressing the gas pedal with the engine above 3,000 rpms. The noise is present with clutch engaged and disengaged, in gear or in neutral. It sounds like the noise is still present as high rpms but it's difficult to hear it over the engine noise.
I did run the car about 100 miles with the oil cap off, I checked the oil afterwards and only lost 1/2 quart of oil at the most. The noise started a few weeks after that incident.
Anyone have any ideas? I've searched around and the most common problem seems to be the throwout bearing however the noise remains with the clutch pedal pressed down as long as I give it gas.
A buddy and I plan on taking apart the transmission once we're a bit more confident it's where the noise is actually coming from.
I captured a video of the noise @
[media]http://www.youtube.com/embed/D2Ndoyx5lag[/media]
#4
Wow, that really sucks....Honda definitely raped you on that one.... Unless your mounts were leaking grease...they were perfectly fine. Shame on you Honda... Definitely sounds like your oil cap rattling against the tranny.
#5
The reason you can tell it's not anything mechanical as far as engine/transmission is there is absolutely no harmonics to it. It is not a constant noise in time with the motor or the tranny. It's simply the oil cap rattling due to vibrations against the transmission. Taking apart the transmission isn't for the feint of heart and definitely wouldn't help you out. Well, technically it would because upon removal of the transmission (a fairly tedious process) the oil cap will have fallen out, solving your problem, but you'll have wasted a good 4 or 5 hours of your time doing so.
#6
Thanks for the replies. I put the oil cap back on after I discovered it was off, it feel behind the engine but I was able to grab it and replace it no problems. The noise started a couple weeks after putting the oil cap back on.
As for the mounts, If they were telling the truth they needed to be replaced anyways. They said on one of the sides the engine was sitting on the metal.
As for the mounts, If they were telling the truth they needed to be replaced anyways. They said on one of the sides the engine was sitting on the metal.
#7
It is possible that there is another oil cap from a previous owner that fell back there, or even something else....and it just now got dislodged and is able to create vibrations/noise?
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#8