2010 hyundai santa fe v6 3.5L leaking antifreeze

Asked by Mar 28, 2016 at 02:17 AM about the 2010 Hyundai Santa Fe 3.5L Limited AWD

Question type: Maintenance & Repair

Had to replace oil pressure switch. Since i had surge take unbolted, I
changed the spark plugs. To change the back 3 spark plugs that are under
surge tank, I lifted up passenger side of surge tank to get at plugs and
coolant leaked out and I didn't think much of it. After I put it all back
together, it's leaking antifreeze when running. What did I do when I tilted
the surge tank up? and what do i have to do to fix it? What does the surge
tank do and how does it work? Any help is appreciated.

2 Answers

815

What you did was remove the intake plenum. You'll need to remove the entire thing, clean both surfaces, and replace the gasket.

I appreciate the response. Turns out I cracked a hose nipple at the back of thermostat housing assembly when i lifted the surge tank/intake plenum on left side to get to back spark plugs. Thought I was going to have to replace both halves of thermostat housing assembly but only needed the hose nipple which was in very tightly so I didn't realize at first that it would come out.

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