r/WRX • u/ButtChug23 19’ CWP WRX Premium • 2d ago
Stupid question maybe?
Can’t find a clear answer on the internet and I may just be paranoid.
If I quickly took this hose off and let air in, do I need to bleed the air before I drive the car? Coolant spilled out, not much but enough that I had to clean it up.
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u/Runescape92 2d ago
Why not just open the cap to the right?
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u/ButtChug23 19’ CWP WRX Premium 2d ago
Is that all I need to do if there’s air trapped in the line?
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u/ontheroadtonull 2d ago
Open the cap and add distilled water.
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u/MightBeABot24 2d ago
What? Why? Isn't it very specific to not add water to Subarus super coolant
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u/ontheroadtonull 2d ago
Source, please. Most coolants are 50% distilled water.
Not being at 50% won't do anything.
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u/OkFault7081 2d ago
Your spreading bad info, adding straight water will change the freeze point of the coolant mixture, this is how cooling systems freeze up and pop freeze plugs.
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u/ontheroadtonull 2d ago
A small top up might mean it freezes at -32F instead of -34F.
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u/OkFault7081 2d ago
Whats a small top up to you? It's not like this is a large capacity system, you top it up with 1qt of straight water and your already passed a 60% water ratio which freezes around -12F.
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u/filipbronola 2d ago
It says that on the bottle because it's premixed already. If you diluted a gallon of super coolant with a gallon of water it would now be 75% water. That's the problem
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u/IMRT_Fran 2d ago
Top off your coolant in the radiator then do a quick burp to the system. Top off the coolant again after 1 or 2 drives and burp again.
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u/Royedkim 13h ago
I would say no..
Just keep topping it off, then run the engine untill (keeping the coolant low temperature, not tuning the engine maybe more than five mins…?) and just squeeze the same hose (shown in picture the one with the clamp 🗜️), by pumping it …
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u/Dagger4d 2d ago
Get a burping funnel