Well.. one thing most people do not worry about is undercooling... well it happened to me. After idling and the temp going to up to normal operating temps, all it took is a pull to red line and cruising at 5k for about 1/2 mile and magically the temp gauge dropped about 3/8 the way up from cold...

It looks like the thermostat. How much do they cost?

Sucks too... just did the damn timing belt, there goes more coolant!

 

mine was about 25 bucks from the dealer...

 

15 buck from Prostreetonline.com

 

Just drain about half a gallon of coolant into a container and reuse it. The thermostat is up on the head, so you don't have to drain that much. OEM thermostats are the best, but I have one from Autozone that has been perfect for the last 3 years, takes a little longer to reach operating temp tho, like 10 minutes instead of 5.

 

i got mine at autozone...been working fine for 2 yrs...

 

mayb 5 bucks at the most u can get a 160 degree or 170 if you want it to run cooler