My car shakes when stopped
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My car shakes when stopped - 12/14/2006 12:54:49 PM
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Exist
Posts: 7
Joined: 12/14/2006
Status: offline
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My car shakes whenever I stop at a stop light, after I've applied the brakes (about 5 secs after) the car will begin to shake (jump up and down). The story so far goes, went to mechanic and run diagnostic, said mass air flow sensor and ignition wires had to be replaced and so it was done. After having the mass air flow sensor (POS costed me $300 at autozone and it would have costed me $500 at the dealer for the part alone) and ignition wires replaced the car still shakes! (wtf ...) So now he's telling me maybe it's the ignition coils and the valve gasket cover, it seems at this point he's not even sure anymore. I seriously doubt it's the ignition coils or the valve cover but since they ignition coils do show some oil on them I figure I should change them either way. Anyone got any advice? I also have another problem, my car horn doesn't work ...
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RE: My car shakes when stopped - 1/20/2007 4:45:39 PM
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Farqart
Posts: 2
Joined: 1/20/2007
Status: offline
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Exist...did you ever fix your Galant from shaking? I think I have the same problem. I'd appreciate it if you could help me with my problem.
Thank you in advance for your cooperation
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RE: My car shakes when stopped - 1/20/2007 10:49:07 PM
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trident
Posts: 25
Joined: 1/11/2007
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Mine, too. ('00 Galant 2.4L) It won't "jump up and down" as yours does, but it does vibrate quite a bit. I'm fairly sure it is the motor mounts (probably the rear ones) that are starting to give. My understanding is that when the car is running the engine revs high enough to make the engine rise up, but at a stop the engine drops back down, and if the motor mounts are not doing their job in cushioning the engine virbration from passing on to the frame, then you'd feel the vibration.
Motor mounts are not cheap to replace. Since I live pretty close to where I work and I only encounter at most 4 stop lights where I need to stop the car long enough (i.e., more than a second or two) to feel the vibration, I simply shift to neutral at a red light. According to Tom & Ray at Cartalk, this would put just a negligible amount of wear to the transmission.
As for your horn, check the fuse and wire.
< Message edited by trident -- 1/20/2007 10:50:06 PM >
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RE: My car shakes when stopped - 1/28/2007 4:07:40 AM
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03GTZ
Posts: 29
Joined: 1/28/2007
Status: offline
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i've got the shakes too. but i dont think its the engine. at a stoplight, if i pop the transaxel in neutral the shaking goes away. must be a tranny thing?
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RE: My car shakes when stopped - 1/29/2007 7:16:16 PM
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soundcolor
Posts: 716
Joined: 1/20/2007
Status: offline
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I am going to agree with o3gtz...
sounds like the tranny to me.
You should consult a new mechanic, he obviously doesnt have a clue
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