I have a couple threads about my wonderful tC's Parkinsons Disease aka shaking when in drive but fully stopped.

I have tried numerous things and read that cleaning your throttle body can help, I cleaned my throttle body and the car ran good for about 2-3 hours, even when I had the A/C on it didn't get the shakes, but the shakes have returned. Any hints on what to look for next.

Short story short my car was hydrolocked and got in a small fender bender, I am going to look at my radiator cage next, seems like anytime the fans come on is when I get my shaking. I wish there was a way to know if it is my engine making the shakes or my body.

Possible leads:
Idle control motor/servo kit
motor mounts
Radiator cage damage
Dirty injectors (ran 3 bottles of injector cleaner don't know if that's good enough)
already changed plugs

Only mods on my A/T 06 tC is Headers, Intake, Exhaust. Really leaning towards the motor mounts

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have you cleaned out the MAF sensor yet???

not sure if it would help or not but its a try

 

yes I pulled it out and cleaned it, extremely dirty but its clean now.

 

Well... without being able to witness it first hand...
If you are noticing the "shaking" when the fan/fans turn on... You might want to look to make sure that one of the shafts isn't damaged, or any of the fan blades bent, etc. since you've been in a fender-bender with it.
Oscillation from minor damage causing it be out of balance could easily cause shaking. This may or may not be the root cause of your issue, but as with any automotive problem, if it's not readily apparent what the problem is, process of elimination starting with when you take count of what the vehicle is doing when the problem starts up is your best course of action.

 

They put it on a rack and made sure it was straight, Im going to take pictures of the radiator cage as I see a little damage.
Sometimes when I am stopped it only makes a little shake, not enough to notice, than I hear the fans turn on and it shakes like crazy.
I hope its just the fans, rather than something else. the tC is about to be my beater car but I can't stand the shaking.

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Well,my car does the same thing when i turn on the A/C and it if hot it gets worst you can see the washers noozles on the hood jumping around,the bumper shaking,the fogs too,wipers evrething and i dont now what it is,i change all the motor mounts and nothing happens its the same when i got the engine torque damper it was insane and you can hear the damper so dam loud inside the car that you just have to turn off the A/C and still today i dont know the reason for it sometimes drive me crazy but i have learnd to live with it.

 

My radiator cage has a slight bend but it's not touching anything. Ive replaced the bumper but no matter what I do it still wants to hang on that side.

 

Frame needs straightening

 

shot in the dark, but have you checked your battery voltage or changed the battery recently? exactly how long has it been doing these things and is it idling low?

 

Just to add to this, I have seen this issue with a lose battery cable, also with a bad ground wire.