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Old 07-22-2016, 02:51 PM   #5 (permalink)
Jhill
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Join Date: Mar 2016
Location: San jose
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Drives: 2013 370z sport
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Originally Posted by Darwins Child View Post
Speaking of hose leaks and clamps, notice the area pointed out by the arrow in the photo below. If the cap is leaking, why would there be coolant residue on that small pipe in that particular area? Is that pipe ever substantially pressurized during normal operation?

Do you think that Nissan's small and large OEM hose clamps shown in this photo clamp down / seal those hoses against the pipes as well as say traditional stainless steel hose clamps that are tightened with a screw?

I ask because I'm wondering if I should save some time, travel and trouble and replace those two OEM clamps with those I just mentioned, because the more I think about it, the more I think that it is not the cap that is leaking.

Thanks.
Usually the Oem clamps I prefer. Very rarely do I have issues with them. They are also nice because they eliminated the possibility to over tighten. People usually have a bad habit of over torque the screw type, the bands have a sharp edge and eventually cut through the hose. The Oem have nice smooth thick edges and can last a lifetime. Again I recommend cleaning and pressure testing. That will tell you right away.

Side question. Is yours a 2012 +? I can't read the cap but it looks to me like it has the pressure relief in it? If so and you have a 2012+ then that is the wrong cap. The one on the pipe should be solid, no relief and the one on the reservoir should have the pressure relief.
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