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Re: [GMCnet] Vibration [message #341099 is a reply to message #341097]

Sun, 17 February 2019 14:14

James Hupy

Messages: 6806
Registered: May 2010

Karma:

Senior Member

John, first thing I would check would be drivers side inboard CV joint
flange bolts. They historically loosen with use, particularly when they are
improperly tightened to begin with.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

On Sun, Feb 17, 2019, 11:42 AM Charles Boyd via Gmclist <
gmclist@list.gmcnet.org wrote:

> Hi John. It seems if the vibration was in the engine it would be an rpm
> vibration and would vibrate at that rpm in each gear. A mph only vibration
> seems would be between the engine and the wheels. Physically get your
> hands on the shafts and joints and mid shaft bearings and try hard to find
> loose motion. Check the differential mounts and bolts. Inner cv bolts..
>
>
>
>
>
>
> Nicholls wrote on Sat, 16 February 2019 19:44
>> I am stumped. Severe vibration at 35 which goes away at 45. Quite
> violent. Ran with the hatch open today and it is the engine. Had thought
> it
>> was tires but complete balance Friday killed that theory. What would
> make the engine shudder so and then go away. Comments and suggestions most
>> appreciated.
>
>
> --
> C. Boyd
> 76 Crestmont
> East Tennessee
>
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[Message index]

		Vibration By: Nicholls on Sat, 16 February 2019 18:44
		Re: [GMCnet] Vibration By: Dolph Santorine on Sat, 16 February 2019 18:46
		Re: [GMCnet] Vibration By: bdub on Sat, 16 February 2019 19:05
		Re: Vibration By: Ken Burton on Sat, 16 February 2019 19:10
		Re: Vibration By: Carl S. on Sat, 16 February 2019 19:44
		Re: Vibration By: JohnL455 on Sun, 17 February 2019 09:45
		Re: Vibration By: C Boyd on Sun, 17 February 2019 13:21
		Re: [GMCnet] Vibration By: James Hupy on Sun, 17 February 2019 14:14
		Re: [GMCnet] Vibration By: Nicholls on Sun, 17 February 2019 19:07
		Re: [GMCnet] Vibration By: Ken Henderson on Sun, 17 February 2019 19:32
		Re: [GMCnet] Vibration By: Ken Burton on Sun, 17 February 2019 22:02
		Re: [GMCnet] Vibration By: Ken Burton on Mon, 18 February 2019 04:58
		Re: Vibration By: JohnL455 on Mon, 18 February 2019 08:37
		Re: [GMCnet] Vibration By: James Hupy on Mon, 18 February 2019 08:46

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