Question about 1999 Nissan Pathfinder
I have a 1999.5 Nissan Pathfinder that has a rear main seal leak. It is 4x4 and it will cost me a fortune to have someone fix it. I have heard that there are products that i can add to my oil that will stop the leak, or at least slow it down. I have tried Barrs stop leak and that did NOTHING for it. Is there anything else out there that I can buy to help this problem? I cannot afford a $1600 bill to fix my truck, and probably never will. I am also tired of spending 10-15 a week on oil. First its a paiin to have to go to the auto parts store 3-4 times a week plus i know it is a complete waste of time. Please please help!!!
If its that bad your only option is to pull the tranny and replace the seal also check the condition of the end of the crankshaft where the seal rides for excessive gouging or the new seal my not seal without first repairing or replacing the crank, this is rare however and a new seal should do the trick. i recomend shopping around as the seal only costs about $25 and the major cost is removing the engine or transmission to replace it (wich ever is easier sometimes the motor is, but anyway maybe you can find a local friend or family member who could R&R the transmission or motor for you at a good price id say around 500-800 would be more than fair, look around you would be suprised when a shop is slow what kind of deals they will give out just to get some work , good luck please rate Ps those additive are not going to work as the seal has failed very badly and has nothing to hold back any thickness oil, the additives are only hurting your motor -jeff
Posted on Sep 09, 2008
Nothing will really fix it other than new parts. It's not bad job, just time consuming. Need a way to hold tranny up while pulling parts. Have a chilton or haynes manual.
Basically though, you need to remove transmission or be able to move it back far enough... remove flywheel from crankshaft end... unbolt and remove rear main seal retainer... replace seal and gasket... reverse procedure.
Posted on Sep 09, 2008
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Posted on Jan 02, 2017
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The valve cover
gaskets can be a large job on this vehicle and could cost you $450-490
depending on the labor rate in your area. I would quote 5.5 hours; the rear main seal could be about the same, maybe $100 more in labor time.
I would expect an engine with this mileage to leak some oil... not drip, but seep oil on the hot engine and produce a smell or smoke. Make sure the PCV system is working correctly, use thicker weight engine oil like 50 weight Castrol and use an over the counter oil additive like Engine Restore, which you can buy at your local auto parts store.
Hope this helps (remember to rating this answer and leave some testimonial comment).
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