New G37 Issues, P0524
06-02-2016, 02:57 PM
#16
Damn, that sounds scary! hopefully it is not that bad. I will take them a copy of the oil pressure specs and see if that helps. I have 3 days to return the vehicle after they finish the fixes. I am hoping I dont have to, but I also dont want to be stuck with a big paper weight. Could a slightly low oil pressure really cause that much engine damage? I would think oil still moves around the engine as the leak is mostly just air.
06-02-2016, 03:11 PM
#17
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The low oil pressure light is triggered at a VERY low psi, even lower than the readings they did for the oil pressure test. While I cannot say for certain how much/if any damage was done, it is not good. If they do not replace the engine, and if you still had a way to get your money back from the dealer for the car, I would probably offload the car back to them. It just simply isn't worth the risk of having a possible motor failure down the road after the warranty is done for.
06-02-2016, 06:09 PM
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They updated me saying they believe it is an internal leak. He says its very possible the leak is the cover gasket. Just like we said! So now I am waiting for them to finish testing and get started on the repair process, hopefully tomorrow. Could having a 10psi oil pressure at idle and 40psi at load really cause engine damage? I know its hard to tell without checking, just dosn't seem likely.
06-02-2016, 10:13 PM
#22
They updated me saying they believe it is an internal leak. He says its very possible the leak is the cover gasket. Just like we said! So now I am waiting for them to finish testing and get started on the repair process, hopefully tomorrow. Could having a 10psi oil pressure at idle and 40psi at load really cause engine damage? I know its hard to tell without checking, just dosn't seem likely.
06-07-2016, 07:11 PM
#23
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Update - G37 was returned to me today. They replaced the rear timing chain gasket. Car is driving good. So far no check engine light, hoping the issues does not come back.
06-07-2016, 09:46 PM
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Unfortunately more bad news. Drove the car some more and got a flashing check engine light and car seemed lacking in power. My bluetooth obd2 scanner said there were 2 pending codes P0300 and P0011. The flashing check engine light went away on its own and car runs fine now.
Is it possible that they forgot to do something during the repair that may cause this issue?
Is it possible that they forgot to do something during the repair that may cause this issue?
Last edited by thatgforce23; 06-07-2016 at 09:56 PM.
06-07-2016, 10:35 PM
#26
Maybe I spoke too soon.
A flashing MIL is serious. DON'T CLEAR THE PENDING CODES. Call them and tell them the situation and have them tow it back and check it out. I wouldn't drive it in that condition. The codes are random misfire and cam position sensor. It might be something relatively easy. It might be more.
A flashing MIL is serious. DON'T CLEAR THE PENDING CODES. Call them and tell them the situation and have them tow it back and check it out. I wouldn't drive it in that condition. The codes are random misfire and cam position sensor. It might be something relatively easy. It might be more.
05-22-2019, 09:28 PM
#27
Hopefully you have another dealer near you as yours is trying to give you the runaround. Your oil pressure tests do not pass Infiniti's oil pressure recommendations per the factory service manual (FSM). Oil pressure at idle must be AT LEAST 14 psi, and AT LEAST 43 psi at 2k rpm. You do not even hit the minimum at 2k at 3k rpm. Download the manual in this section and look under Engine Lubrication on page 15 (LU-15) and print and show them. It is unacceptable that they let you drive home while it failed an oil pressure test.
I know we are quick in this forum to jump to the timing gasket failure, so before you completely jump to it at least make sure that your oil level is fine and that there are no visible leaks and/or burning oil. If your level is fine and you have no leaks/burning oil, then the gasket is a very likely culprit assuming you fall in the model year range it fails on.
EDIT: These readings must be taken when the engine is warmed up, which I am assuming was done. I know it is extreme, but I hope they give you a new engine. Even if they replace the gasket there is no guarantee that damage already hasn't been done unless they inspect parts of the engine like the journals and cylinder walls (which they won't do).
I know we are quick in this forum to jump to the timing gasket failure, so before you completely jump to it at least make sure that your oil level is fine and that there are no visible leaks and/or burning oil. If your level is fine and you have no leaks/burning oil, then the gasket is a very likely culprit assuming you fall in the model year range it fails on.
EDIT: These readings must be taken when the engine is warmed up, which I am assuming was done. I know it is extreme, but I hope they give you a new engine. Even if they replace the gasket there is no guarantee that damage already hasn't been done unless they inspect parts of the engine like the journals and cylinder walls (which they won't do).
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