Question about 2001 Nissan Xterra

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2001 xtera loosing coolent but don't know where from

I don't see a leak anywhere but if i tighten the cap on the radiator it looses coolent. no smoke or no coolent in oil where can it be going?

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Hi and thanks for your input


Posted on Nov 05, 2008

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These engines had some issues with headgaskets leaking coolant externally. It is a small leak and usually only when hot, so there is no puddle because the coolant evaporates before it gets off of the block.

Get under the vehicle and, using a light, look at the rear face of both cylinder heads. If you see a greenish-white stain, that's the issue. This is a very labor-intensive job and should only be attempted by a qualified technician. I don't know your experience level, so I can't say whether you should try this yourself or not.

If you don't see any staining, a cooling system pressure test would be in order.

If you're located somewhere in central Pennsylvania, I could probably help you out.

Hope this is helpful!

Nissan Scope Technician- 10+ years experience in Nissan dealership.

Posted on Nov 04, 2008

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Posted on Jan 02, 2017

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