Oil leak problem
Well members its been a while since I have posted about this problem..... But I have still have an oil leak problem. This is what I have done so far
1. Cleaned old pan and replace silicone - still leaking 2. Cleaned old pan and replace silicone - still leaking 3. New pan and silicone - still leaking 4. Replaced oil cooler o-ring - still leaking It leaks when the car is parked and over night I will have a spot the size of a baseball and golf ball. Any suggestions would great. Thanks |
You sure it is coming from the oil pan instead of other sources, like the rear main seal?
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well its on the side of the oil pan.... i know that doesn't mean much as oil can travel to where ever on the car then drip..... but it pretty consistent.
I have also thought about the oil pressure switch....maybe? |
rear valve cover?
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Can't imagine why this has not been said before, so I'll say it now:
:worthless I would clean everything and try to catch the oil leaking red-handed. |
Ok after a long wait here are some before cleaning and after cleaning pics. Please look and tell me what you think I am still thinking the oil cooler O-ring is bad even after replacing it once. ITS FOR SURE NOT THE UPPER GASKET!!!!!
http://i272.photobucket.com/albums/j...s/IMG_0159.jpg http://i272.photobucket.com/albums/j...s/IMG_0146.jpg http://i272.photobucket.com/albums/j...s/IMG_0144.jpg http://i272.photobucket.com/albums/j...s/IMG_0153.jpg http://i272.photobucket.com/albums/j...s/IMG_0155.jpg http://i272.photobucket.com/albums/j...s/IMG_0152.jpg http://i272.photobucket.com/albums/j...s/IMG_0160.jpg http://i272.photobucket.com/albums/j...s/IMG_0162.jpg http://i272.photobucket.com/albums/j...s/IMG_0166.jpg |
Front main seal (although I seem to recall some sort of bronze washer rather than a typical rubber seal). It seems to come from above the oil cooler.
Also, is this coolant hose torn? http://i28.tinypic.com/2qunl8k.jpg |
Now that it's clean, you have to wait for it to start leaking again. Would hazard an early guess of the front main seal. You should take it for a drive, let it sit for 1/2 an hour and check. Post new pics after the drive.
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Originally Posted by 2slow
(Post 7640460)
Front main seal (although I seem to recall some sort of bronze washer rather than a typical rubber seal). It seems to come from above the oil cooler.
Also, is this coolant hose torn? http://i27.tinypic.com/2zg7nyr.jpg No the hose is not torn |
I forgot the name of them but its have you checked the selonoid beside the rear valve cover??? Both of mines was busted and I thought it was the oil pan but it wasn't... no to condole speeding but try flooring the car and see if it smokes at a certain speed... I don't remember what the name of the part is but its like an oil pressure selonoid...
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Originally Posted by Grand_hustle17
(Post 7640507)
I forgot the name of them but its have you checked the selonoid beside the rear valve cover??? Both of mines was busted and I thought it was the oil pan but it wasn't... no to condole speeding but try flooring the car and see if it smokes at a certain speed... I don't remember what the name of the part is but its like an oil pressure selonoid...
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Originally Posted by str8max
(Post 7640512)
No it doesn't smoke at all!
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Ok after coming out this morning and looking and this is what I see! everything is dry but the cooler....
http://i272.photobucket.com/albums/j...MG_01852-1.jpg So what do you think now? |
I think it's ironic that a 5.5 gen is losing oil through leakage.
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Originally Posted by Rydicule
(Post 7641592)
I think it's ironic that a 5.5 gen is losing oil through leakage.
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Yea, that helps him.
There is an O ring behind the oil cooler. I'd start by removing the cooler to see whats going on. Might get away with just replacing the O ring. |
Originally Posted by str8max
(Post 7383817)
4. Replaced oil cooler o-ring - still leaking
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For starters I'd pressure wash your engine bay to clean everything, then start the engine and see what starts to leak and where.
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Originally Posted by 2slow
(Post 7641922)
Do this again.
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OK installed a in oil o-ring and that did the trick....;)
I removed the old one and it looks like it twisted on installation.... I have to give big ups to a .org member that said to just remove the 2 cooler lines and that made it easy as pie and I lost zero coolant! Thanks again |
Originally Posted by str8max
(Post 7648054)
OK installed a in oil o-ring and that did the trick....;)
I removed the old one and it looks like it twisted on installation.... I have to give big ups to a .org member that said to just remove the 2 cooler lines and that made it easy as pie and I lost zero coolant! Thanks again |
Originally Posted by vastmax
(Post 7650629)
if you just unbolt the coolant hard line, you dont have to disconnect anything.
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Oil leak resolved!
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i had that same prob for a month and it drove me crazy. changed the oil cooler o-ring and the leak was gone.
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Thank god for these forums, I have the same leak! I'll be fixing it soon!
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Mine is leaking at the same spot. How much is this gasket?
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like $3
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Originally Posted by spock
(Post 7641809)
Yea, that helps him.
There is an O ring behind the oil cooler. I'd start by removing the cooler to see whats going on. Might get away with just replacing the O ring. |
Originally Posted by maxpilot53
(Post 7707765)
Is this o-ring behind the part that the filter mounts to? If so, how do you get it off?
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Originally Posted by RR5
(Post 7707941)
Drain oil and optionally the coolant, remove oil filter and remove the bolt the oil filter attaches to. I did it myself no problem, just clean the hell out of everything before reinstall. You also have to disconnect the coolant lines to the oil cooler. Be prepared to catch the coolant.
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Originally Posted by SoonerFan
(Post 7641700)
exactly
"I love the smell of burnt oil from a VQ in the morning!" :D Glad the OP got that fixed....i would have guessed main seal. Didn't know there was an o-ring at the filter junction. gr |
Originally Posted by RR5
(Post 7707941)
Drain oil and optionally the coolant, remove oil filter and remove the bolt the oil filter attaches to. I did it myself no problem, just clean the hell out of everything before reinstall. You also have to disconnect the coolant lines to the oil cooler. Be prepared to catch the coolant.
Also I believe the oil cooler bolt is a 22mm |
Originally Posted by spock
(Post 7641809)
Yea, that helps him.
There is an O ring behind the oil cooler. I'd start by removing the cooler to see whats going on. Might get away with just replacing the O ring. |
Originally Posted by maxpilot53
(Post 7719903)
I think mine is leaking here too. Where do you get the o-ring. Dealer says they don't have it.
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Thanks str8max,vastmax and all others for this post. I had this leak for some time,no one figured out where the leak was from but because of you guys leak is gone now.
Thanks. |
I was told by DaveB that this leak only happens to 3.5 'cause the 3.0 doesn't have an oil cooler.
I have a leak around th same area ... I wonder where this leak is coming from ... |
good to know...another reason to love the 3.0!
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Just got around to doing my oil cooler o-ring. Pretty easy! As vastmax said, I unbolted the two brackets that hold the coolant hard lines. This gives you enough play to remove the cooler enough tho replace the o-ring without disconnecting the hoses.. What is weird, is that when I went to the dealer, they said they had no listing for the 0-ring. They showed me the picture on their computer and it indicated that they only sold the cooler as a unit for $226. I told him that that was rediculous and that I know from the forum that the part exists. I went home and got the part number from this thread. Called the dealer with the number and he says he has two in stock. I asked how that could be possible, and he tells me that those o-rings are probably used in other vehicles too, but not available for a 2002 Maxima. I said that's either a rip off trying to get you to buy the whole unit or just plain stupid. Anyway, no more oil leak thatks to this forum.
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I need to check my car as I have a nasty oil leak. I have oil on the a/c compressor and alternator. I was told by mechanic it is the timing cover. I have replaced the oil pan gasket. This problem started after a oil change by walmart. Im guessing they over filled the motor. I have cleaned my motor, and now my belt makes a funny sound...
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Thanks for the above info...
I too started with the oil pan gasket. I suggest everyone that has leaks similar to this start with the oil cooler oring. |
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