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Rb25 Neo Water Outlet To Radiator Corroded

shanec86

By shanec86,
in General Maintenance

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shanec86 Collaborator

shanec86

Posted
Posted

hey does anyone know where i can find another fitting for the RB25 NEO water outlet to radiator (on the intake manifold) it has corroded and im struggling to find a new one.

i found a picture of what im talking about (this guy is holding a new one)

rb25detintake-1.jpg

  • 3 months later...
StevenCJR31 Veteran

StevenCJR31

Posted
Posted

You can take the manifold off and get a pipe welded in place (any ally fabricator)and a bead welded on the end to stop the hoses blowing off, i did this with my 20DET to get rid of the adaptor that steps the hose to a smaller diameter, didnt cost much and it works fine

  • 4 weeks later...
MrStabby Grand Master

MrStabby

Posted
Posted

That part looks like it is supposed to corrode - that is - be the "sacrificial anode" in the electric circuit created by the coolant. In older cars i've worked on the thermostat housing typically performed this function. If you want to understand why, google galvanic corrosion.

tl:dr - only use the replacement Nissan part so that the head and/or block dont start corroding.

Dobz Experienced

Dobz

Posted
Posted

http://www.300zx.com...ylineengine.htm

UAS Chrome Molly Upper Radiator Outlet Intake Manifold

Replaces often rusty factory one.

PRICE: $65

This is what mine looked like

019dcw.jpg

Holy crap! It looks like tap water has been used in that cooling system.

  • 1 year later...
  • 3 months later...
  • 1 year later...
tridentt150v Grand Master

tridentt150v

Posted
Posted

Mine is corroded but not so bad I have to replace it just yet, but when I looked I was going to cut it way using a dremel and a tungsten bit. So slot it and then collapse it. Not sure if thats the best method but reckoned it could work. Be careful not to hit the alloy though, don't really want to scuff it too much.

Pretty sure you could then mike it up and get an exhaust place to make up a new one, if you only have to do it every 15-20 years trhen I don't see a big problem.

MatthewT85 Proficient

MatthewT85

Posted
Posted

I had that issue about 2 years ago, I thought I posted here but I'll chime in Now

I took it to a mechanic and he said he'd seen it heaps, he said he would use a chisel and then collapse it like the other person above has said, then he had an exhaust place make a piece and roll a lip in it

I didn't want to have half a go and do something wrong and then have to tow it So let him do it for me

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