2006 Nissan Altima - 2.5L Smokes After LOF

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rogersauto17
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2006 Nissan Altima - 2.5L Smokes After LOF

Post by rogersauto17 »

This car has a 2.5 motor in it. Customer took it some place for an oil change. The shop did not drain old oil and put the new oil in, so it was way over full. We drain the oil and put the right amount in it. The car was smoking every time you started it. After we drain the oil it got a little better , but still smokes when it sits running. We pulled the head and took it to the shop for new valve seal put in it. Installed the head and it still smokes after it sets running. Replace pcv valve also and this car only has 55,000 miles on it. This all started with the oil change. Car was fine before. Need help , not sure what else it could be. The valve seals was bad in head !
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ricmorin
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Re: 2006 Nissan Altima S

Post by ricmorin »

My first thought is that over-oiling would affect rings before valve seals.
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John C.
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Re: 2006 Nissan Altima S

Post by John C. »

ricmorin wrote:My first thought is that over-oiling would affect rings before valve seals.
Just relayed this to Mark, and that's what he said. Oh, and he added, "it's engine time."
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Re: 2006 Nissan Altima S

Post by jbadenoch »

maybe the exhaust is still loaded with oil and it will take some time to burn out?
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ricmorin
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Re: 2006 Nissan Altima S

Post by ricmorin »

John C. wrote:
ricmorin wrote:My first thought is that over-oiling would affect rings before valve seals.
Just relayed this to Mark, and that's what he said. Oh, and he added, "it's engine time."
Maybe. If the cylinders are not damaged, they might get away with a re-ring. Risky.
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Re: 2006 Nissan Altima S

Post by ricmorin »

jbadenoch wrote:maybe the exhaust is still loaded with oil and it will take some time to burn out?
Good point. How much has it been driven since the repair work?
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rogersauto17
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Re: 2006 Nissan Altima S

Post by rogersauto17 »

Well we have drove the car for about 20 miles and it still is smoking this is after we had new valve seal put in the head. So , can you give me some more thoughts on this car !!! Have a lot of money in it and it still is smoking.
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Re: 2006 Nissan Altima - 2.5L Smokes After LOF

Post by steven kiser »

It may have to run a lot longer than 20 minutes to resolve the oil burning issue if it is in the exhaust. I've seen vehicles smoke for hours when head gaskets blew. a quick answer would be to drop the exhaust.
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Re: 2006 Nissan Altima - 2.5L Smokes After LOF

Post by jbadenoch »

dont ya hate it when issues never get resolved?
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