V10 Vibration

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Jul 2, 2012 | 07:39 AM

Attilak1

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V10 Vibration

I just bought a 2001 motorhome with a v10 in it. When I am accelerating I get a vibration or pulsing from either the motor or transmission. It seems to be the worst at around 40 to 50 MPH. When I put my foot into it and make the tranny downshift to accelerate to seems to go away. So is it the motor or the tranny? I can't tell. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com

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Jul 2, 2012 | 07:33 PM

Monsta

Sit. Stay.

Joined: Oct 2001

Posts: 18,308

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From: Washington State

Sounds like a bad COP (Coil on Plug).

Jul 2, 2012 | 09:35 PM

Ridenred333

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Joined: Feb 2011

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From: FT. Rucker AL

My truck has been doing the same think usually between 1200 to 1700 rpms and will in 4th gear on a flat surface or slight grade. Once it downshift it goes away.

Jul 2, 2012 | 09:36 PM

Ridenred333

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Joined: Feb 2011

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From: FT. Rucker AL

Summit did have them COP there brand on sale for like 20 bucks a piece.

Jul 3, 2012 | 06:17 AM

Attilak1

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Are COP's difficult to replace?

Jul 3, 2012 | 07:35 AM

TrdLtly

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Joined: Oct 2006

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From: SE Missouri

Quote:

Originally Posted by Attilak1

Are COP's difficult to replace?

Not sure on a motorhome. If you have easy access to the top of the engine then it is a very easy fix. 7mm (?) socket and you are good to go. I have swapped out many. Takes just few minutes each.