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Bad throw-out bearing?
Posted 26 October 2012 - 11:26 PM
rattling noise (loud) coming from front of car. Center. It will rattle if the following conditions are met
The car is in neutral with the clutch pedal in it's normal position (not pushed in)
The car is in gears 1 through 3, clutch engaged or disengaged.
If I'm stationary with the car in neutral and the clutch pedal fully depressed the rattle goes away.
If I'm in motion and I put the car in neutral and fully depress the clutch pedal the rattle still goes away, but takes longer.
I'm not quite noticing any rattling in gears 4 or 5 but that just may be due to road/wind noise interfering.
What do you guys think? If it *is* the throw-out bearing..is it something that really needs to be addressed quickly (ie will it lead to other failures if not corrected) or can it wait until my clutch wears out (which may be awhile).
Posted 27 October 2012 - 09:20 AM
Posted 27 October 2012 - 06:17 PM
Would there be any way for me to be certain that is the issue? The only way I'm thinking there could be is to drop the transmission and check out the condition of the input shaft itself.
The rattling is very, for lack of a better way to describe it, bouncy
sounding. It sounds a little bit like a percolator coffee pot, steadily making noise and occasionally catching something and making a bit more noise very briefly and then going back to it's steady rattling.
Either way, thanks for your advice!
Posted 27 October 2012 - 09:11 PM
The rattle does not make itself evident in 4th or 5th gears.
As I mentioned before, the rattle will occur while stationary in neutral with my foot off the clutch. If I push in the clutch, the rattle will slowly dissipate, like pushing in the clutch ceases motion on whatever it is that's making the noise and it slowly freewheels itself until it stops.
If I push in the clutch and then attempt to put the car in to 1st, 2nd, or 3rd gear, the rattle will abruptly stop. Also, with light pressure on the shifter it is only until the rattle stops that it will actually go in to 1st gear.
I've also noticed that it has been popping out of 1st gear lately, though very rarely.
As mentioned before, I'm not too knowledgable in this area, so excuse my ignorance but my gut wants to throw out
synchros?. But if that's the case, why only 1st, 2nd, and 3rd. Maybe because they are the most used gears driving around town? Lots (LOTS) of speedbumps, stop signs, traffic lights, and dumb-asses in my town..
Food for thought.
Either way, it doesn't seem like it's something simple =\
Till we figure it out, I'm rattling on.
Posted 27 October 2012 - 11:29 PM
Posted 28 October 2012 - 05:45 PM
Thanks again for the ideas
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