Transaxle chatter
#1
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I have a '98 SE with 33K miles, and manual trans. When the ambient temperature was in the 30's or colder, I would get a severe chatter when first starting out in the morning. The idle would be up, but it seemed that giving it a little gas would cause the chatter. It also seemed to be worse when then turning left from a stop. After warmed up, it would run fine. Now that the ambient is high, I haven't experienced this problem. I'm wondering if it might be too lean a mixture at start up, or a major problem with the tranny. I'm wondering if anyone else experienced this problem.
#2
Originally posted by sammyd
I have a '98 SE with 33K miles, and manual trans. When the ambient temperature was in the 30's or colder, I would get a severe chatter when first starting out in the morning. The idle would be up, but it seemed that giving it a little gas would cause the chatter. It also seemed to be worse when then turning left from a stop. After warmed up, it would run fine. Now that the ambient is high, I haven't experienced this problem. I'm wondering if it might be too lean a mixture at start up, or a major problem with the tranny. I'm wondering if anyone else experienced this problem.
I have a '98 SE with 33K miles, and manual trans. When the ambient temperature was in the 30's or colder, I would get a severe chatter when first starting out in the morning. The idle would be up, but it seemed that giving it a little gas would cause the chatter. It also seemed to be worse when then turning left from a stop. After warmed up, it would run fine. Now that the ambient is high, I haven't experienced this problem. I'm wondering if it might be too lean a mixture at start up, or a major problem with the tranny. I'm wondering if anyone else experienced this problem.
#3
My 98 SE has only 33K kms (20K miles) on it and, as I've posted before, the clutch engagement is very non-linear when the car is cold. I live in the city and the car sits in an underground parking garage almost all the time and it is a little jerky to drive for the first couple of minutes after starting. However, when I am out of town and the car is parked outside all night, I notice significant clutch chatter. As I first pull away (when the car is cold), engaging the clutch a bit slower than normal to avoid being too jerky, I notice significant clutch chatter. This goes away after a couple of minutes and the clutch then operates smoothly. This seems really weird to me. I know that others have reported chatter, but does everyone else only notice it on start-up. Is it common on low mileage cars? (I don't abuse the clutch)
Daniel, maybe you can answer this, what is causing this chatter (that goes away after warming up) and is this a symptom of a future problem?
Daniel, maybe you can answer this, what is causing this chatter (that goes away after warming up) and is this a symptom of a future problem?
#4
Originally posted by Evan
... Daniel, maybe you can answer this, what is causing this chatter (that goes away after warming up) and is this a symptom of a future problem?
... Daniel, maybe you can answer this, what is causing this chatter (that goes away after warming up) and is this a symptom of a future problem?
Clutch chatter may be caused by, or aggravated by,
- oil or dirt on the friction surface (leaking rear main engine oil seal)
- glazed friction surface (excessive heat resulting from abusive driving practices)
- pressure plate diaphragm spring misaligned
- loose or broken engine mounts
It is not possible to say if this is a symptom of a future problem. That is because we don't know what is causing the chatter in your particular car. If it is caused by a leaking rear main seal, it will get worse with time.
The hypothesis of a leaking rear main seal is consistent with the change of behavior with change of temperature. The traces of oil will change viscosity as the clutch heats up.
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