Ok i was on bout a 2 hour trip. Car has never ran hot. I get out the car and hear a bubbling noise coming from under the hood. It was the coolant boiling in the tank. The temp gage was at about 201. Next day same trip it doesn't do it. A couple days later same trip i get out and its white smoke from under the hood. Its been 2 weeks and it hasn't done it again since. But i want to fix the problem. Any ideas or experience with such?

Have the lower intake gaskets ever been changed? Also, check to make sure the coolant elbows aren't leaking. If they're the old plastic design, chances are they could be leaking, also causing the smoke. How's the coolant level? Does it look like it dropped any?

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Joseph

Current: 2013 Infiniti G37 Journey
1999 Infiniti G20T - Sold
1999 Buick Lesabre - Race Couch - gone but not forgotten

Faulty coolant temp sensor? Rad cap on correctly?

Along with what was mentioned above.

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-Car Guy Carl
"Penelope" - 2003 SLE - 247k Miles
"Sydney" - 2000 Honda S2000 - 98k miles

I'm not sure. I'm going to check the things you guys said when I get home from work. I'm thinking mabe it is the intake gasket tho. Cause I seen a slight run coming from there last time I checked.

Yep, lower intake gaskets are a common failure point. Make sure they aren't leaking internally into the oil (The oil will look milky and chocolatey). If they are, drain the oil asap and put fresh in. Replace the lowers with the metal redesigned gaskets and you'll be good to go for a long time. You can replace the supercharger and throttle body gaskets while you're in there, and it's a good time to tackle the coolant elbows with metal ones.

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Joseph

Current: 2013 Infiniti G37 Journey
1999 Infiniti G20T - Sold
1999 Buick Lesabre - Race Couch - gone but not forgotten

Ok. Thanks bro

Where can I get the metal gaskets?

NAPA or Advance Auto. I got mine from Advance Auto. Any good parts store should have them. - BC

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In Memory of Brad - 1/21/1977 .. 10/23/2013 ...... Aaron - 1977 .. 2017 .....
2017 Hyundai Santa Fe Sport ..... 1992 Bonneville SSE 1SB 170 HP L27 4T60E retired/sold to MattStrike ..... 2005 Bonneville SE 1SC 205 HP L36 4T65E - retired/salvage yard ..... PBCF user 2321

Ok. Preciate it