Originally Posted by Hatch"R"Us
what type of motor is the above picture.i have a b16 and it looks a lil diff.i removed a clip that looks like and and unscrewed it.i used a 19mm.and coolant came out.is there maybe another one that looks like it.
that is also a b16a......and yes I beleive it is 19mm not 17mm I couldnt remember which one it was. Yours wont be blue...that one is blue because it is a Spoon Sports thermoswitch.