Question about 2007 Nissan Murano SE
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Posted on Jan 02, 2017
SOURCE: White smoke from exhaust
Could also be a warped cylinder head, especially if you've been driving it that way for a while.
If you are noticing a higher than normal temperature indication, this is also indicative of a blown head gasket, warped cylinder head, or both. If your coolant levels seem to be dropping faster than normal it can mean that you're leaking it into the engine. Or, it can be that you have a coolant leak which caused you to overheat, and then blew the head gasket. It's something of a "chicken or the egg" situation.
The best way to determine if this is the case is to change your oil again and inspect it. If it looks like "milkshake," you have coolant mixing with the oil.
Posted on Aug 13, 2008
This is usually an indication of a bad head gasket.I gasket. The white smoke is the coolant leaking out of the engine and winding up in the oil passages, due to a bad head gasket. To confirm this,
1. check oil. Is level increased, or milky appearance?
2. Is coolant level dropping, but u don't see any signs of leaks?
The above indicates a bad head gasket, causing the white smoke u describe. Let me know how u make out.
Posted on Jan 03, 2009
What type of smoke can you see---
If you see a wispy, lingering white smoke that has a bittersweet smell, this is an indication that your car's engine coolant is leaking into the combustion chambers. This may be due to a leaky head gasket, or in a worst case scenario, a cracked cylinder head.
Make sure to take your car to the shop right away to get it fixed.
Thick white smoke---
If your vehicle is belching white smoke upon start-up, it is a sign that transmission fluid is entering the combustion chambers, possibly though a vacuum tube that connects the engine to the transmission.
This type of smoke can be confused with the normal puff of steam during start-up. If you are not sure, have your car inspected at the shop.
A blue/white smoke is an indication that oil is being sucked into the combustion chambers through the valve guides. A quick fix for this problem is by replacing the valve seals. Valve seals are small, umbrella shaped pieces of rubber.
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Posted on Feb 09, 2009
The most likely cause is a blown head gasket,but it could also be a warped head,was the motor overheated prior to the problem starting? The white smoke is steam,check the underside of the oil fill cap and dipstick for a grayish brown residue,check the coolant for a low level and oil conatamination,either of these conditions verify that a head isn't fully sealed.Unless your moderately skilled mechanically this a job to be done by a shop.A good shop will perform a leakdown test to verify this.
Posted on Jun 01, 2009
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