I got a new one from the Toyota dealer and it’s been running normal temperatures since.
Pros: normal temperatures
Owner reviews for thermostat
Manufacturers
Comparisons
If it’s damaged or no longer functioning, I’d recommend NOS stant superstat off eBay.
Pros: recommend stant superstat
The Mopar stats (mfg by Motorad) can be had from Rockauto, and are generally well regarded, if more expensive than generic parts store units.
Pros: generally well regarded
Cons: more expensive
Mine has been chilling little to no problem so far in 20-30° PA
Sometimes going down long hills engine braking will close the thermostat and will warm up to 200, but then opens back up
I replaced it with the motorad thermostat that opens 10° lower
Pros: little to no problem
I’ve installed Borg Wagner thermostats and those always failed until I installed a Mahle one which never failed. For some reason any other brand will get stuck open and the engine will never get up to temp.
Pros: Mahle never failed
Cons: Borg Wagner always failed
It is currently in need of a new thermostat but it is running great besides that.
Pros: running great
Cons: need new thermostat
Vehicle:
Ford
Mileage: 88000 km
I had a brand new mahle one with the connector wired in reverse for constant. Kept blowing a fuse. Returned it for a replacement and worked fine.
Pros: worked fine after replacement
Cons: connector wired in reverse
Batteries crap and so is the thermostat / heat and the trim on the steering wheel and gear shifter is thin and cheap and will come off everything else. Car is great
Pros: car is great (overall)
Cons: crap battery, cheap thermostat, trim comes off
Vehicle:
Mazda
I just got this fixed at the dealer on my 21. Its the thermostat. They put in over a million bad ones and don't want to own it with a recall so they sent out a TSB. There's also an extended warranty for all the cars for this part/labor.
Pros: fixed at dealer, extended warranty
Cons: defective part, no recall
Vehicle:
Mazda
I replace thermostat even the whole block. Same issue. This fucking car don’t heat.
Cons: car doesn't heat, same issue
Vehicle:
Mazda
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