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Heat Soak After Engine Off


VippiN

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  • Member For: 15y 3m 18d
  • Gender: Male
  • Location: Adelaide, Australia

Hi guys, have a bit of a weird problem. Picture this:

Going for a normal drive, mostly off boost. Some on boost. Get to destination. Turn off car. Get back in car after few minutes turn on car - Temp has gone from where it sits normally at 1/4 to bit over 1/2 way. Turn car on, fans kick in, heat drops back down.

This is what's been happening last few weeks. After a hard boost session, temp actually hit 3/4 when going back to the car. Letting it idle for a few minutes before turning car off has little to no effect.

Thoughts? Ideas?

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  • Manual mode ________________________ All day, erryday
  • Donating Members
  • Member For: 16y 5m
  • Gender: Male
  • Location: Probably above atmospheric pressure

Did some logging using Torque app and Android phone. These are different days (so possibly different humidity) but same temperature.

Stopping the car added about 10° over 5 minutes. Starting up and sitting for a minute with fans on made it spike, driving slowly again around the front yard didn't help either.

IntakeTempsAtShutoff.png

Intake temps drop after only 10-15 seconds but it takes a while to get rid of the heat by the looks.

IntakeTempFallOnceMoving.png

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  • 5 weeks later...
  • Manual mode ________________________ All day, erryday
  • Donating Members
  • Member For: 16y 5m
  • Gender: Male
  • Location: Probably above atmospheric pressure

Eh?

No logs of coolant temp sorry Boris.

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  • Bronze Donating Members
  • Member For: 10y 9m 24d
  • Gender: Male

I've logged a few drives with a dongle thing I've got. You can see the heat soak & the way the rad/cooler drop or raise temp in soak conditions really well. Next time I get a chance I'll post a few graphs

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