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I have a 2007 altima. hybrid. Always had some vibration when…

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I have a 2007 altima...
I have a 2007 altima. hybrid. Always had some vibration when switching between modes. Now have serious vibration at idle or when take foot off gas. Car has 185,000 miles. My in house mechanic changed plugs, coils(?); dealer did the same. Now dealer tells me it needs a new head. Reading online shows this has been an on-going problem caused by carbon buildup in head. New models have redesigned heads. The question is: can head be reconditioned, or can the new style head be used? vin:1N4CL21E37C237557
Submitted: 1 year ago.Category: Nissan
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Answered in 56 minutes by:
5/8/2017
Nissan Mechanic: Mike S., ASE Certified Technician replied 1 year ago
Mike S.
Mike S., ASE Certified Technician
Category: Nissan
Satisfied Customers: 8,101
Experience: ASE Certified since 1985
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Hi, I am Mike, welcome. I'm reviewing your question.

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Nissan Mechanic: Mike S., ASE Certified Technician replied 1 year ago

Carbon can always be cleaned from a cylinder head.

I don't have info on that new style head, if the dealer says it's a new design or whatever, than I suppose it would fit.

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Nissan Mechanic: Mike S., ASE Certified Technician replied 1 year ago

if carbon is a problem, perhaps going to a hotter spark plug might help burn off that carbon,.

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Nissan Mechanic: Mike S., ASE Certified Technician replied 1 year ago

Did that answer your question? If so, kindly leave me a positive rating, so I get credit. After all, you have already made the deposit.

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