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Overheating JDM STI

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Old 02 March 2023, 07:13 PM
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JDMDave
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Default Overheating JDM STI

Well lads issue as above. Car was in the way at the weekend so started up and moved it after letting sit for idle about 10mins needle was nearly at red. let cool down and checked header tank which was low so topped it up, started again seemed fine went for short drive, all good. Returned home let sit for 5 mins noticed fans where not kicking in then it started to rise in temp.
before this I recently changed iacv and cleaned throttle body to which I had to remove the pipe from front mount attached to throttle body. Would air got into the rad? I did check rad and no visible coolant until I removed cap from header tank. I did however check oil for any milkshake. I’m at my wits end, any help appreciated
Old 02 March 2023, 07:39 PM
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JdmSti2006
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fans ,wires maybe

Last edited by JdmSti2006; 05 March 2023 at 07:32 AM.
Old 02 March 2023, 08:42 PM
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lockheed
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Originally Posted by Newscoobyman
Air lock
Being full of hot air you would know
Old 03 March 2023, 11:53 AM
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Vxr2010
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Fans disconnected , fuse gone to fans , rad cap failing, Air lock ? 👍
Old 04 March 2023, 07:36 PM
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JDMDave
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Problem solved: cooling fans had its day
Old 05 March 2023, 06:32 AM
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Hawkeye D
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Well done for finding out what it was.
In any weather in traffic I always switch on the A/C, it runs a separate fan in short blasts (Hawkeye STI) and I can only but think it helps with under bonnet temps / reducing heat soak of the TMIC.

The EJ cooling system is weird, and I've never been able to quite get my head around it.
On another note, look at how the oil filter is surrounded in what I see as a cage of exhaust manifold death, yes I know it has water cooled modines, but even so!
Old 09 March 2023, 09:51 PM
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Vxr2010
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I had a jdm sti new age wagon , it had all the gauges , it was a significant drop in temperature by putting the ac on , I always put it on in traffic 👍
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