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99 Forester S auto
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56 Posts
Discussion Starter · #1 ·
so veh is a 99 forester S with a 2.5 thats been swapped at some point in its life, with the swaped motor had head gaskets done, timing belt ect.... has about 175 K on it right now. its done this once before in this super crazy cold temps we have had this year in MI but not this bad.





this moring it was negitive 25 here in MI..



started it up to let it warm up came out to take off its blowing cold air out vents... and shows its warming up... cant get it to blow any heat heater core lines are ice cold.



this issue happened about a month ago when we had around same negitive temps. but it eventaually jsut started to warm up and blow heat



this time when i tried to drive it jsut down the road the temp gauge skyrocketed to way hot and turned it around and parked it had to take my LGT to work. which didnt like starting in this cold.



i am thinking that maybe the coolant its self isnt proper mix and is frozen or slurpy like somewhere and wasnt allowing it to flow? any one got any ideas?
 

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2002 Forester Automatic
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45 Posts
Definitely have the coolant checked, sounds like its frozen. Get it done ASAP as the coolant expanding as it freezes can do damage including cracking the block.
 

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2014 Forester 2.5 Premium 6mt
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78 Posts
Definitely too much water and not enough anti-freeze, get it handled sooner than later(as in TODAY) or you could be looking at a new engine and radiator if it freezes completely!
 

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2007 Forester Sports XT Manual
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219 Posts
I don't have too much experience with freezing temps here, but you should be able to look in your overflow bottle to see if it is frozen and check your level. You could just be low on antifreeze.
 

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99 Forester S auto
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56 Posts
Discussion Starter · #5 ·
ill get to looking at it tonight the neg 25 temps from over night have passed and now temps are on rise will be a whole 10 degrees by noon... im hoping the warm up / overheat will put enough residual temps in the motor to thaw what ever was frozen till i can address it tonight when i get out of work. ill be checking and flushing coolant asap regardless.


just hope no major damge was done
 

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Premium Member
2019 Crosstrek 2018 Forester XT
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14,934 Posts
Also make sure your radiator is full by opening the radiator cap when it is cold.
 
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