Weird vibration

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Originally Posted by xaymaca

If it's a similar vibration to what I've had only once or twice in my year of ownership (and only hot days), the vibration came from engine bay. Somewhere near the master cylinder and back of the engine.
Still have no idea!

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I am noticing it is more common as we enter summer. If I lift the bonnet I can hear a buzz coming from around the intake manifold area but can not pin point it. My dash has the vibration running though it also.

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Originally Posted by Will Wallace

Do you have ACE?

I had a buzzing/vibration at just above idle.

It was one of the black actuators/ solenoids on top of the ACE block on the chassis.

These are cheap.

Hope you get it sorted soon.

Will

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No ace.

EGR solenoid/modulator may buzz loudly if disconnected from egr but still connected to vacuum. It's beneath the intake manifold, and cycles on and off.

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Originally Posted by sjane

EGR solenoid/modulator may buzz loudly if disconnected from egr but still connected to vacuum. It's beneath the intake manifold, and cycles on and off.

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YYEESS!! That was it. The bottom one of the two was causing it! Who would have though something that small could shake the car like it did.

I will remove the valves completely when I get some time since they won't ever be needed.

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