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HElP! ??d15b overheating

Old 10-26-2015, 04:47 PM
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Join Date: Oct 2015
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Exclamation HElP! ??d15b overheating

hey guys and gals I have just done the water pump and thermostat as the water pump seal was broken and it was leaking ..
now its all done I over heat after driving for about 20 mins like over heat big time its steaming out into my overflow making a bubbling sound..
but if I put the heater on full blast its fine?
any ideas I really need some help thanks awesome people cheers

JDM first gen D15B 92 eg4
Old 10-26-2015, 05:15 PM
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Try a new radiator cap ...bleed the cooling system... make sure cooling fan is coming on at the right temp (225ish).....if you still get bubbles in the overflow, time for a head gasket

Last edited by AOL.COM; 10-26-2015 at 05:17 PM.
Old 11-29-2016, 03:45 AM
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Join Date: Nov 2016
Posts: 2

I'm curious ya said its a JDM d15b I got the same swap. What timing belt and water pump did ya use? I read it has to come from a d15z1 cause that motor and the JDM both use a 103 tooth timing belt as well as the same water pump
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