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4

I think this points at the thermostat being bad. The reason I go in this direction is due to there being no heat coming from the heater vents. I'm not sure if Subaru has it this way, but many heating systems in cars only divert coolant from exterior of the motor to the heater core. If the thermostat is not allowing (much or) any coolant through, you'll only ...


2

Without knowing specifics about the WRX engine, it sounds like you have a decent plan of attack. Here are some general guidelines for how to test for possible culprits in a sudden overheating situation: Cooling fan not running You'll want to check fuses, relays, continuity, and apply 12V to make sure that the fan hasn't mechanically seized. Restricted ...


0

Well my expansion tank goes empty and engine in 2003 Buick SUV ran a little warm in hot weather. Got a little panicky and had a store gift card, used it on a Peak gold colored 50/50 solution that stated compatible on GM's compatible w/dex cool. My holding tank or expansion tank actually purged it to a higher level of coolant but not a large color change when ...


3

What you're referring to as a "coolant tank" is your radiator overflow tank. While it does have to have some coolant in it, putting coolant/water in it doesn't do anything to cool your engine really. You need to twist the radiator cap off (make sure you wait for it to cool off) and pour coolant or maybe for the time being while testing, just tap water. ...



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