[jonszr1]

you can use a little food thermometer to see what the water temp is . are your fans comming on ?how i fill my zs. is i take off the throttle body line on the passenger side. i hold it up with a coat hanger i bent for the purpose .i then slowly pour in as much as it will take with the motor off usually i can get in 21/2 to 3 gal oput the cap back on fill up the over flow totally full and start the car and idle till its totally warm.then shut her down and either ck the overflow in the morning or when i drive her next . i fill the overflow if needed. and shes done/jmho .thids has never failerd to work for me