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Go Back   NissanForums.com :: Nissan Forum > Nissan Models > Sentra, Pulsar, NX, B14 200SX > QG18 1.8L Engine
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QG18 1.8L Engine Engine Discussion: 2000+ Sentra XE, GXE, & 1.8

       
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Old Dec 3rd, 2007, 12:16 AM   #1 (permalink)
cutehumor
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White smoke from under hood need help diagnosing

2003 Nissan sentra XE 1.8L 78k miles

my dad told me that he had white smoke coming from underneath the hood with a strong smell. no codes,no overheating. Headgasket was replaced 25k miles ago. I was wondering where should I look at to check for the source of the problem? He told me it was coming from the back of the engine. oil was changed four months ago and it is still full he says. any tips to look?
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Old Dec 3rd, 2007, 10:30 AM   #2 (permalink)
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well i would first say to make sure there are no leaks in your coolant hoses. what kind of bad smell? you can usually tell if the smell is oil or coolant. maybe they spilled some oil when you changed it last and it's just burning off? is this still going on? or was it a one time thing?
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Old Dec 4th, 2007, 07:04 PM   #3 (permalink)
cutehumor
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it's an exhaust type of smell coming from the back of the engine. it's white smoke. it's at start up and shut off. oil was changed four months ago. oil is still full on dipstick.
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Old Dec 5th, 2007, 10:05 AM   #4 (permalink)
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four months ago? someone needs to get on the ball
i'd probably just check it out back there when you're changing the oil. turn the car on and see where it's coming from. sounds like it might just be a small leak somewhere
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Old May 16th, 2008, 03:18 PM   #5 (permalink)
justforinfo
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I dont mean to thread jack but does anyone have a link to a DIY for a headgasket? I cant find anything anywhere.
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Old May 17th, 2008, 11:50 AM   #6 (permalink)
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if you're not mechanically inclined, i probably wouldn't recommend doing it. you can get the fsm at PhatG20 - Home.
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Old May 17th, 2008, 12:09 PM   #7 (permalink)
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Quote:
Originally Posted by cutehumor View Post
it's an exhaust type of smell coming from the back of the engine. it's white smoke. it's at start up and shut off. oil was changed four months ago. oil is still full on dipstick.
Check the exhaust manifold nuts to make sure they are tight; just don't apply any gorilla action with the wrench or else you can break the stud off. You may have to end up replacing the exhaust manifold gasket if all the nuts are tight.
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