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Coolant Temps - Whats normal?
http://ozfoz.com.au/forum/viewtopic.php?f=19&t=56661
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Author:  booki [ Sun Jul 15, 2018 7:35 pm ]
Post subject:  Re: Coolant Temps - Whats normal?

Just bumping this back up -

My temps still seem a bit iffy to me.

Downhill I am around 80c-85c, soon as I get some flat stretch of road Temps will climb to about 92c give or take.

Slight inclines with roughly 1/4 throttle, so not alot of load the car will get up to 98c

These are not slow speeds, is there something wrong with my cooling system or is this normal?

Author:  sneaky [ Mon Jul 16, 2018 12:46 pm ]
Post subject:  Re: Coolant Temps - Whats normal?

Not sure about SH but with SG XT and you would assume similar cooling system my rad cooling fans always kick in at 95-96 deg c and bring down temps to low 90's and with the Forester moving and airflow through the rad, normal driving as such I never see over 90 deg c, only creeps up to 96 deg c idling for periods in traffic. Never done a track day with the Forester so i don't know how the cooling system copes with constant WOT heat but it's always been this way since owning the car and I've replaced all cooling system components when the oem rad split.

Author:  Yowie [ Mon Jul 16, 2018 12:53 pm ]
Post subject:  Re: Coolant Temps - Whats normal?

The temps & behaviour in the original post seem excessive.

My (SH) cooling system is basically OEM. 87-89 degrees is the usual operating range, going up to low nineties in harder (non track) conditions.

Quote:
Slight inclines with roughly 1/4 throttle, so not a lot of load the car will get up to 98c


This seems to be the most remarkable symptom of something amiss (eg a head gasket issue?)

Author:  cam99 [ Mon Jul 16, 2018 2:05 pm ]
Post subject:  Re: Coolant Temps - Whats normal?

Geez mate not having much luck ....
My temps are on par with yowies , with the stock radiator , I've just put a thicker alloy rad in but seems about the same still , not sure what's still goin on with yours after all the work you've had done - twice
The fans are both working and the fins are clear yeh ?

Author:  booki [ Mon Jul 16, 2018 2:17 pm ]
Post subject:  Re: Coolant Temps - Whats normal?

Yep fans are both working no issues and the rad fins are clear.

Booking it in to a shop to see whats up.

Author:  Speedy46 [ Tue Jul 17, 2018 6:12 am ]
Post subject:  Re: Coolant Temps - Whats normal?

Mine is around 80-89 in traffic (fans set to come on at 89) open road around 85-90 and on steep inclines it creeps up to around 98.
Partial throttle on milder inclines will see it run to about 92 degrees.
Mishimoto radiator installed which hasn’t brought about a large change in temps but I feel a bit more comfortable with it in there.



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