G35 non-rev up oil consumption
#1
G35 non-rev up oil consumption
Do non-rev up VQ35DEs consume oil like the rev-up engines? I'm asking because I've driven about 2000 km since I changed the oil on my 2006 AT coupe and the oil level was down towards the bottom of the stick just above the L mark. I added about 1/3 to 1/2 a quart to bring it back up to the H range. My car has just over 100k km but if it needs this much oil now then I'm calculating that it would need a quart to a quart and a half of oil between oil change intervals of 7500-8000 km. Is this acceptable for a non rev-up VQ? I'm presently using 5W-30 Castrol Edge.
#4
The records I have indicate that the oil was changed regularly with synthetic 5w-30.
#5
#7
Premier Member
iTrader: (11)
THIS. They can all potentially burn oil. It's just that the rev-ups were so bad that Infiniti put out a Tech Service Bulletin on the issue and replaced a few engines, that's why you hear about the rev-ups so much. The reality is that I personally know more people with 04 models that burned like crazy than I do people with rev-ups burning oil.
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#8
Do non-rev up VQ35DEs consume oil like the rev-up engines? I'm asking because I've driven about 2000 km since I changed the oil on my 2006 AT coupe and the oil level was down towards the bottom of the stick just above the L mark. I added about 1/3 to 1/2 a quart to bring it back up to the H range. My car has just over 100k km but if it needs this much oil now then I'm calculating that it would need a quart to a quart and a half of oil between oil change intervals of 7500-8000 km. Is this acceptable for a non rev-up VQ? I'm presently using 5W-30 Castrol Edge.
Did you change your own oil or bring it in somewhere to have it changed?
Oil consumption problems are much more rare on the non-Rev Up engines but not unheard of. Keep in mind that all gasoline-powered 4-stroke engines are susceptible to burning more oil as they stack on miles and age... it's not something that is specific to our cars, but the rev-up motors occasionally had the more severe problems as a result of design and manufacturing defects where some were burning through a whole quart or more of oil per 1000 miles when the engines only had like 15-25K miles on them (in some cases).
#10
That sounds a bit extreme. Have you checked the PCV valve?
Check for oil leaks all around and under the engine. A catch can may help but it depends on how bad the actual burning is. Compression test would give you a good idea on the condition of those piston rings.
As I see it there are multiple ways to lose oil in the VQ:
-Piston Rings
-PCV Valve
-Valve Covers
-Rear seal
-Oil Cooler O ring
-Rare case although it can happen is bad valve stem seals.
Hope this helps!
-Ali
#11
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laksjd84
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07-24-2015 05:12 PM