Oil Disappearing
#1
Oil Disappearing
Hey guys, I am stumped by my wife's 03 Maxima...once again.
It is losing oil severely and I can't seem to figure out where its going. There are no puddles on the ground when the car is parked (even after multiple days of being parked), there is no smoke from the exhaust or residue on the back of the car. The engine runs great. Is there somewhere that the oil could be leaking from that would only leak when the engine is running and/or driving? Any recommendations? I've already replaced both valve covers with the next generation covers and there are definitely no leaks from those anywhere (I don't say that because I'm an awesome mechanic, I say that because that was the first place I looked when the oil kept disappearing after I replaced the covers because I figured I screwed it up)
It is losing oil severely and I can't seem to figure out where its going. There are no puddles on the ground when the car is parked (even after multiple days of being parked), there is no smoke from the exhaust or residue on the back of the car. The engine runs great. Is there somewhere that the oil could be leaking from that would only leak when the engine is running and/or driving? Any recommendations? I've already replaced both valve covers with the next generation covers and there are definitely no leaks from those anywhere (I don't say that because I'm an awesome mechanic, I say that because that was the first place I looked when the oil kept disappearing after I replaced the covers because I figured I screwed it up)
#4
Would the bad O-ring account for multiple quarts lost every thousand miles?
Haha, I know thats true! I've been fighting this leak the whole time she's had it, but now its due for inspection and I HAVE to fix it.
Haha, I know thats true! I've been fighting this leak the whole time she's had it, but now its due for inspection and I HAVE to fix it.
#5
5.7 swap or junk it.
#6
#7
Look under the car by the oil pan and by the oil filter and report back.
Child_uv_korn is probably one of the best and most useful members. But I must say he jumps to this conclusion a lot. PTSD if you ask me.
Child_uv_korn is probably one of the best and most useful members. But I must say he jumps to this conclusion a lot. PTSD if you ask me.
#9
Multiple quarts per 1k miles would be leaving puddles if it were a leak. This is 100% normal behavior for ate up rings/cylinders due to precats.
Last edited by Child_uv_KoRn; 09-15-2016 at 03:08 PM.
#10
It's not that easy to just swap an engine.
#13
just saying i removed precats at 184k, and they were intact 100%
edit - I proactively did 6th gen VC's as well at 130k (slight leak on rear not bad at the time)
and with that said i have begun burning oil at small amounts 1 qt per oil change interval (1 qt about every 2000 miles)
its an older car thing a lot of high mileage cars just burn oil plain and simple
not sure about tons, op you never mentioned how much you are burning/ loosing
edit - I proactively did 6th gen VC's as well at 130k (slight leak on rear not bad at the time)
and with that said i have begun burning oil at small amounts 1 qt per oil change interval (1 qt about every 2000 miles)
its an older car thing a lot of high mileage cars just burn oil plain and simple
not sure about tons, op you never mentioned how much you are burning/ loosing
Last edited by Prophecy99; 09-13-2016 at 11:46 AM.
#14
just saying i removed precats at 184k, and they were intact 100%
and with that said i have begun burning oil at small amounts 1 qt per oil change interval (1 qt about every 2000 miles)
its an older car thing a lot of high mileage cars just burn oil plain and simple
not sure about tons, op you never mentioned how much you are burning/ loosing
and with that said i have begun burning oil at small amounts 1 qt per oil change interval (1 qt about every 2000 miles)
its an older car thing a lot of high mileage cars just burn oil plain and simple
not sure about tons, op you never mentioned how much you are burning/ loosing
#16
Using 10w-40 high mileage oil now
This thicker oil burns off a lot slower. Try it out! I have bad valve stem seals, but it's not too bad--slight blue smoke on deceleration. Motor still pulls like mad. I have a Megan test pipe so that i was able to see the blue smoke & diagnose it (someone followed behind me). Good luck.
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