05 Altima 2.5S High Miles Oil Leaks - Timing Cover, Torque converter cover - Nissan Forums : Nissan Forum
 
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Old 03-21-2012, 08:50 PM
starscream21 starscream21 is offline
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05 Altima 2.5S High Miles Oil Leaks - Timing Cover, Torque converter cover

Hi, I just purchased a 05 2.5S AUTO with 192k. It is leaking alot of oil. Please give some advise if you could.

1. Oil dripping down from the torque converter access cover (small black plate). I took it off and it has no gasket or seal on it. Is that normal? You can peek in to the torque converter after removing the cover. There also seems to be a small half circle hole between the cover and the main case like it was meant to be there for a plug or gasket.

2. Oil dripping down from above the oil pan. Very hard to tell but it seems like is coming form the timing cover. Does the entire head needs to be remove to replace timing cover seal?

3. White smoke is apparent from the exhaust. There is more smoke when the engine warms up then when it is cold. Carbon dust is also apparent for the exhaust. Oil in the oil pan is not milky(oil is so clean probably since I put so much in it due to the leak) I was told that head gasket was repair a year ago by the last owner. Engine does not seem to be overheating.

Thank you.
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Old 03-21-2012, 10:01 PM
tripod tripod is offline
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That little door is to see if the tranny is okay. its just a dust cover, no gasket needed. if red oil is coming out then theres a tranny leak. if its motor oil then the rear main seal probably is leaking.

if oils coming from the timing cover then get a timing cover gasket set.

the white smoke might have something to do with the leaks.

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Old 03-21-2012, 10:33 PM
starscream21 starscream21 is offline
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Quote:
Originally Posted by tripod View Post
That little door is to see if the tranny is okay. its just a dust cover, no gasket needed. if red oil is coming out then theres a tranny leak. if its motor oil then the rear main seal probably is leaking.

if oils coming from the timing cover then get a timing cover gasket set.

the white smoke might have something to do with the leaks.
1. It is motor oil leaking out the little door.

2. Doesn't the timing cover uses RTG grade sealant instead of a gasket?

Thanks.

3. I think the white smoke may be related to the leaks too. In what way?

Finally it will be very extensive work I imagine to replace the Rear Main seal and timing cover seal. Do you think is worth it on a 192k Engine that suppose to had a new head gasket at 186k? Would it be more wiser just to find a rebuilt engine?

Thanks.
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Old 03-23-2012, 01:54 PM
starscream21 starscream21 is offline
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Update

The leak from the timing side turns out ro be the front oil seal behind the crankshaft pulley. $9 from autozone took care of that.

The smaller leak coming from torque converter access cove seem like entirely another monster (Pulling the Transmission) gonna leave it along for now see how much it really leaks by itself.
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