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Gear shift vibration

Old Nov 8, 2019 | 10:32 AM
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Default Gear shift vibration

I would like your opinion if this normal or a problem and/or possible causes.

At about 3500 rpm and up at nearly full throttle the gear shift vibrates fairly hard beyond would I consider normal. Their is no vibration with normal around town driving or the expressway, but as you get into the max torque it starts to come on and only when you accelerate.

I've recently installed a LS7 clutch, but I get no vibration revving the engine in neutral. Anyone want to guess?

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Old Nov 8, 2019 | 08:10 PM
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Transmission mounts may need to be replaced?
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Old Nov 9, 2019 | 11:49 AM
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Originally Posted by PaulRMcKenna
Transmission mounts may need to be replaced?

I don't think so, but I did remove and inspect them when I did the clutch. I'll go double check them thanks!!!

I was thinking torque tube but why then why if I go faster or slower would I not have a problem but only under high torque would I get vibration? If push to 5000 rpm everything gets smooth as glass. I've messed up a lot of things over the years doing it myself, but I've always managed to figure out what I did wrong. This is driving me nuts.

Any manual guys out there a get vibration at the start of max torque?
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Old Nov 9, 2019 | 01:11 PM
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Originally Posted by Dutch08
I don't think so, but I did remove and inspect them when I did the clutch. I'll go double check them thanks!!!

I was thinking torque tube but why then why if I go faster or slower would I not have a problem but only under high torque would I get vibration? If push to 5000 rpm everything gets smooth as glass. I've messed up a lot of things over the years doing it myself, but I've always managed to figure out what I did wrong. This is driving me nuts.

Any manual guys out there a get vibration at the start of max torque?
I do too. I have no idea if its normal or not. I'd love additional feedback on this.
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Old Nov 9, 2019 | 01:25 PM
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Not normal.
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Old Nov 9, 2019 | 02:30 PM
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I have an 07 with 50K Miles and have a similar situation. It sounds like detonation
or rattle but the noise is coming from the shifter/box. If I hold the shifter the noise goes away.
The OE factory bushings are rubber and degrade with time & miles.

There is a CHEAP (like $2.00) fix which involves changing out to some slightly
oversized washers and drilling out the center hole. I am going to give this a shot before
buying a new shifter box. Post was in C6 section and recently bumped (several years old)
Maybe it will help you as well.

"$.68 lower shifter box upgrade"

Last edited by Navy Blue 210; Nov 9, 2019 at 02:40 PM.
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Old Nov 9, 2019 | 05:06 PM
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Originally Posted by Navy Blue 210
I have an 07 with 50K Miles and have a similar situation. It sounds like detonation
or rattle but the noise is coming from the shifter/box. If I hold the shifter the noise goes away.
.....
Exactly!!! I have an MGW shifter with a new lower box, but like you "If I hold the shifter the noise goes away". So something's going on. I checked the transmission mounts (see previous post) they looked fine and checked the torque on the bolts.

So, I turned off all the nanny's (~9 seconds - hold the button down until it turns off handling and traction) and all was perfect. (I'm really confused now.) Someone else please try this and post with results. Thanks to all so far !!!

Last edited by Dutch08; Nov 9, 2019 at 05:20 PM.
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