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Ok, this is my last question on vibration, I promise.

 
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Old 06 Jul 2013, 03:18 pm
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Gru Gru is offline
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Default Ok, this is my last question on vibration, I promise.

05 GT autostick
I have searched and researched. I think I have addressed every possibility. I just want to run it past the experts one last time. I am wondering if it's just supposed to vibrate.

The vibration happens only at idle. It happens whether the ac is on or not, ac makes it more pronounced. Putting it in neutral or park diminishes it quite a bit. I see the back of the hood vibrating. It has vibrated since I purchased it in March.

I believe I have zip-tied all the vacuum hoses/lines. I may have missed something.

I replaced plugs and wires (plugs were really worn out). While in there, I cleaned out the TB, the ICV, and replaced the PCV with the hose.

Because the plugs were so worn, I spent $100 on having the top end cleaned at a shop through the tank and the intake. That was probably wasted money.

The radiator fan works. The ac blows cold. I think the ac compressor is going out because I hear a moaning noise tied to rpm, but I don't think that would cause the vibration, would it?

The lower engine mount seems intact. The lower connection looks fine. I assume the sides are like bumpers and are not attached. I couldn't see the top, but I am going to assume its OK. The engine isn't exactly centered in the mount, that is, the engine is pushed back from center in the mount just a bit. I assume that is ok.

It seems to run fine otherwise, just lots of vibration on idle. I haven't disconnected the battery but I don't think that will do anything.
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Old 07 Jul 2013, 01:23 pm
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Default Re: Ok, this is my last question on vibration, I promise.

Maybe your torque struts need to be re-balanced (adjusted).

Read through this thread to see if it might be your problem.

Changed Motor Mounts Engine Shakes

If your torque struts are out of whack you can get a lot of vibration at idle.

It's a pretty easy job for a home mechanic and if your struts (mounts) are in good shape then it won't even cost you anything.
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Old 07 Jul 2013, 02:39 pm
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Lightbulb Re: Ok, this is my last question on vibration, I promise.

This may be of assistance also: http://ptcruisernetwork.com/PDF/misc...adjustment.pdf
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