radiator

Hi, I hope someone can provide advice with my issues. I'm not a mechanic and the most I can do is change a tire, change air filter, or change battery. The corolla had the spark plugs and pistons changed in December 2016. In the first week of March 2017, the break pads and serpentine belt was...

So I bought a TRD radiator cap, mostly because it's an OEM performance part. The stock cap is 88kpa which is 12.7 psi. The TRD cap is 1.3 bar, about 18.8 psi. So I've just increased the pressure in my cooling system by 6.1 psi. That seems enormous. Has anyone else installed this part and...