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Old 02 Jan 2010, 11:16 pm
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Default 5 speed honda trans sounds like it has marbles in it when driving?

ok while i drive my civic from taking off from a stop it sound slike marbles inside the bellhousing part of the transmission i cant tell if its the throwout bearing or the input bearing.. if im driving 30 mph and put the car in neutral and shut the car off while coasting there is no noise but if i press in the clutch and put the car in a gear the noise comes back and when i let off the clutch after i put in back in neutral it goes away all this is done while the car is moving with the engine off just coasting.
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Old 02 Jan 2010, 11:31 pm
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probably its the throat bearings
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Old 02 Jan 2010, 11:46 pm
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the noise will be the input shaft bearings inside the transmission. A clutch release bearing sounds like a seized air conditioning clutch or a drive belt that is slipping when it goes bad--it makes a high pitched screeching noise. I've seen many of the transmission rattles on the Civic transmissions and its inevitably the shaft bearings. I recommend changing all of the internal shaft bearings.































There is one other possibility you should check before condemning the transmission. That possibility is the catalytic converter. When the converter guts break apart they rattle like marbles in a coffee can and sound almost the same as the transmission bearing rattle. The converter is on the exhaust header pipe that runs under the engine and trans up to the exhaust manifold. when the converter breaks apart the noise often telegraphs forward through the hollow pipe and sounds like its coming from the engine or transmission. I'd recommend checking that out before you pull the trans.































hope that helps
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Old 03 Jan 2010, 12:01 am
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rear main seal
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