2005 Altima 2.5 I have noticed that there is water in the oil when I check the dip stick. I am thinking head gasket. Has anyone repaired one of these before?
Yes. Check that your coolant level is dropping. This will prove that the gasket is leaking. Watch for signs of water formation in your tailpipe. Soem condensation in the oil is normal on cold, damp, or humid days. It will burn off as the engine heats up. If you have an excess. like the oil is milky, then you may need a new head gaskte. This is an expensive undertaking, as the heads will have to be heated, reshaped, and milled at an appropriate engine shop to prepare for re-installation. Also, it is tricky because you are dealing with the timing belt and other pulleys. You might be able to get away with having your head bolts re-torqued to factory spec's, in order, one-at-a-time. Do this with the engine hot. It should be able to pull the head back into shape if it has over-heated. Use only Genuine Nissan coolant, never mix it with anything but h2o. Also, be sure that your idle air control valve is clean. If it is not working properly or if the PCV valve is not, it can cause water formation that acts like a head gasket problem. Good Luck!!
If you find that there's milky colour sticking out of the dip-stick, then you're right. It's a blown head-gasket. A top over-haul could solve everything. All the best.
yep that,s what it is, the head gasket.
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