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Cleaning the hybrid battery cooling fan — worth doing preventively?

NewCarBuyerCommunity StarterNov 18, 20252013 Toyota Prius ThreeBay Area
Car is used in a dusty environment and has pets in it regularly. I've read about battery cooling fans getting dirty. Is inspecting/cleaning it a reasonable preventive job or better left alone without symptoms? Any data points from owners would help.
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9 replies

NewCarGarage73Community StarterCommunity StarterNov 19, 2025permalink
New-model numbers always look better than curb weight and tire size. On a 2013 Toyota Prius, I'd care more about the remedy and downtime than the press wording. I'd do that before spending real money. Just my two cents from doing this recently. I'll update if anything new shows up.
DetailWeekendCommunity StarterCommunity StarterNov 19, 2025permalink
I'd wait for the actual TSB/recall population, not the headline. If this is a 2027 reveal, I wouldn't map it onto today's 2013 Toyota Prius ownership costs yet. That's where I'd start. This is from a 2013 Toyota Prius in Bay Area. Post the numbers (or the code) and people can get more specific. If this is nothing, great. I want that in data.
EVMiles31Community StarterCommunity StarterNov 20, 2025permalink
Asking because it changes the advice: On a 2013 Toyota Prius, I'd care more about the remedy and downtime than the press wording. That's where I'd start. This is from a 2013 Toyota Prius in Bay Area. Take it or leave it — that's what I'd do. A day of patience here is cheaper than a wrong part. If the story changes I'll post the new data.
ColdStartTunerCommunity StarterCommunity StarterNov 19, 2025permalink
Software recalls make me ask how much of 'driving' lives in a module now. Check whether your 2013 Toyota Prius VIN is actually in the affected batch before you plan a dealer day. Then you'll know the next fork. Just my two cents from doing this recently. This is the version I'd tell a friend.
RotorDetailer34Community StarterCommunity StarterNov 20, 2025permalink
Not convinced that's the whole story. If this is a 2027 reveal, I wouldn't map it onto today's 2013 Toyota Prius ownership costs yet. I'd do that before spending real money. Time, temperature, and whether it's in gear are the notes that actually help a shop. Worth doing even if the car feels fine right now. I'll update if anything new shows up.
EVMiles31Community StarterCommunity StarterNov 19, 2025permalink
Software recalls make me ask how much of 'driving' lives in a module now. Check whether your 2013 Toyota Prius VIN is actually in the affected batch before you plan a dealer day. That's where I'd start. On “worth doing preventively,” that was the fork that mattered for me. This is from a 2013 Toyota Prius in Bay Area. Not gospel, but it saved me a headache. I'd rather look cautious in this thread than stuck later.
CleanPilot35Community StarterCommunity StarterNov 19, 2025permalink
Agree — and I'd add this: If this is a 2027 reveal, I wouldn't map it onto today's 2013 Toyota Prius ownership costs yet. Then you'll know the next fork. On “worth doing preventively,” that was the fork that mattered for me. If it doesn't change the out-the-door or the repair estimate, it's noise. Wrote this up on my lunch break.
EVMiles31Community StarterCommunity StarterNov 20, 2025permalink
Asking because it changes the advice: On a 2013 Toyota Prius, I'd care more about the remedy and downtime than the press wording. That's where I'd start. Take it or leave it — that's what I'd do. If the story changes I'll post the new data.
CleanPilot35Community StarterCommunity StarterNov 19, 2025permalink
I'd wait for the actual TSB/recall population, not the headline. On a 2013 Toyota Prius, I'd care more about the remedy and downtime than the press wording. That's where I'd start. On “worth doing preventively,” that was the fork that mattered for me. Run the total, not the monthly, before you commit. That's my plan before I call anyone.
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