Jerking Motion, Anyone?
#1
Jerking Motion, Anyone?
Hopefully, someone can give me some insight.
I got my G for half a year now. For the first 4 months it was running smooth. However, since last two month, the car suddently jerks while I am driving in a straight line on a very flat road at a constant speed ~60km/h / 1800rpm. My car is a 5 speed manual. The car shutters as if one driving a stick and let go of the clutch too soon. I can feel the problem is from the rear wheel or the transmission. No noticible noise can be hear. I check with my dealer twice, but they can do a thing about it since the problem occurs once in a while, intermittent. They couldn't recreat the problem when test drive. I asked them to check my TSC version, and mine is TRANS: 31016 - AC111.
ENGINE: 23710 - AM608
My G is a 04', and I checked the manufacturing date is Oct/03. I heard that the updated TSC version is 31016-AL016. So is my AC111 is older than AL016?
Kindly Thanks,
ILuvMyG35
PearlG/Graphite
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
I got my G for half a year now. For the first 4 months it was running smooth. However, since last two month, the car suddently jerks while I am driving in a straight line on a very flat road at a constant speed ~60km/h / 1800rpm. My car is a 5 speed manual. The car shutters as if one driving a stick and let go of the clutch too soon. I can feel the problem is from the rear wheel or the transmission. No noticible noise can be hear. I check with my dealer twice, but they can do a thing about it since the problem occurs once in a while, intermittent. They couldn't recreat the problem when test drive. I asked them to check my TSC version, and mine is TRANS: 31016 - AC111.
ENGINE: 23710 - AM608
My G is a 04', and I checked the manufacturing date is Oct/03. I heard that the updated TSC version is 31016-AL016. So is my AC111 is older than AL016?
Kindly Thanks,
ILuvMyG35
PearlG/Graphite
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
#2
#3
Re: Jerking Motion, Anyone?
Sorry, typo.. mine's a 5AT,
Yeah, I think it will get worse. I just hope that it will not stall the engine while I am driving highspeed. Otherwise, my tranny will go alright, but I go with it. [img]/w3timages/icons/frown.gif[/img]
ILuvMyG35 <--- have doubts now..
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
Yeah, I think it will get worse. I just hope that it will not stall the engine while I am driving highspeed. Otherwise, my tranny will go alright, but I go with it. [img]/w3timages/icons/frown.gif[/img]
ILuvMyG35 <--- have doubts now..
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
#4
#5
#6
Re: Jerking Motion, Anyone?
I notice I thing is that when you shift to tiptronic. It doesn't happen at all. But proof me I am wrong. I only tried for a week with the tiptronic test. I suspecting TCU version. Mine's at AC111. InfinitiTech says the latest one with AL013. not sure which is newer. Please see you guys can bring your car to the dealer and ask them to give you a print out of your TCU version. I know that Sedan has diff version number.
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
04' G35C/Ivory Pearl/Graphite/Aero/Performance/sat radio/5AT/
#7
Re: Jerking Motion, Anyone?
I have noticed something similar on my G35 5AT.
You are driving... basically cruising around 40-50mph and then just feel a very small jerk like your engine misfired but I am sure it can't be that but something else. There is no noise. It happens during steady crusing and then you feel the jerk and before you kow it its gone you are thinking you just imagined it.
Is it what you guys have felt??
I have only noticed it ~3 times in last 3-4 months and so it is not regular at all. I have owned my car for last 8 months so I can't say what happened before that.
If anyone figures out a cause and cure please post
Thanks!
2003 G35 Black Sedan
You are driving... basically cruising around 40-50mph and then just feel a very small jerk like your engine misfired but I am sure it can't be that but something else. There is no noise. It happens during steady crusing and then you feel the jerk and before you kow it its gone you are thinking you just imagined it.
Is it what you guys have felt??
I have only noticed it ~3 times in last 3-4 months and so it is not regular at all. I have owned my car for last 8 months so I can't say what happened before that.
If anyone figures out a cause and cure please post
Thanks!
2003 G35 Black Sedan
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#8
#9
#10
Re: Jerking Motion, Anyone?
weird, I just noticed the same thing in my 04 coupe at around 13k...mine is at much lower RPMs...2-3k and only from a dead stop...have noticed it 2 times in 2 weeks...
I will have them reprogram at my next service
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I will have them reprogram at my next service
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#11
#12
Re: Jerking Motion, Anyone?
now I think these are 2 different problems. Mis is EXACTLY as described above, but seems to be happening a little lower in the RPM range. From what I can tell tho, it's durring exceleration, not cruising.
Do I understand every one's problem correctly?
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Do I understand every one's problem correctly?
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#13
Re: Jerking Motion, Anyone?
so I was just playing around to try to replicate it.
seems mine happens from the shift from either 1 to 2 or 2 to 3 and feels like a "clunk" or a jerk in the motion forward. I also notices this only happens when I accelerate at 1500-1800RPM...i.e. pulling forward in rush hour traffic on LA's wonderful freeway system.
Anyway, just trying to help get to the answers by getting all the facts on the symptoms. If anyone has any ideas, i'd appreciate it.
J
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seems mine happens from the shift from either 1 to 2 or 2 to 3 and feels like a "clunk" or a jerk in the motion forward. I also notices this only happens when I accelerate at 1500-1800RPM...i.e. pulling forward in rush hour traffic on LA's wonderful freeway system.
Anyway, just trying to help get to the answers by getting all the facts on the symptoms. If anyone has any ideas, i'd appreciate it.
J
My Team Transport Profile
#14
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