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Coolant leak is making me crazy

20K views 11 replies 7 participants last post by  xterra mom x2 
#1 ·
ok so i have checked the wax pellet...it checked out ok from what i know and read
the coolant is leaking from somewhere on my upper intake...seems like towards the middle where i cant see...
but its now leaking enough that its dripping off the trans and over the manifolds....
i have been reading up and nave seen that there are a bunch of lines on the intake mani....are they a pain?
my haynes manual is not helping much
thanks alot any help is much appreciated
 
#3 ·
X2 on that. The haynes manuals for the xterra are pretty vague at best I've heard. I have the Nissan tech manuals for my xterra at home. When I get home from work, I'll see if I can find something in them that will help if you're still having trouble by then.
 
#4 ·
ok thanks...i only have been poking around ...not doin anything really other then getting an idea of my target before i rip into it...especially since its usually something thats a pain to get to lol...thanks for the help
 
#6 ·
follow the manuel for timing belt removel and stop when you uncover the hose.this hose should be bought from nissin it has a sharp bend and i think it will hard to find one with right bend and size all so replace those wire clamps every were you can with screw clamps the nissin clamps are crap.
 
#8 ·
so i believe i found the leak(or general area of source) its on the upper intake....drivers side.....cant see the exact hose but i know its on the intake thankgod i did my oil about ten mins ago and its not a head gasket :) i was worried sicne until two days ago the coolant was magically disappearing..... so no i just gotta get a place to tear into the pig lol
 
#9 ·
I have a slow leak that leaves deposits on top of the water pump and down the front of the timing chain cover. I'm thinking it's from a heater hose under the manifold, but I have yet to top up the coolant level, so i"m not too concerned about it just yet. Looks like it would be a bitch to get at....
 
#10 ·
Thanks for the posts in this thread. I've been trying to figure out where my Xterra is losing coolant. I was also dreading a head gasket though the only symptom was coolant loss. Off to look up what the wax pellet is then I will make plans to replace the hoses suggested here. Thanks!
 
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