is my thermostat frozen? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

rongfk · 03-15-2008, 09:46 PM

ok, my car has been sitting for a long ass time. when i drive it it reads normal temp, but the damn thing overheats. could it be a faulty thermostat?

***S14DB*** · 03-15-2008, 10:51 PM

How long? May need to Flush the block, Inspect the thermostat and water pump and replace if needed.

Are you reading the dash temp?

Skaterjunky8 · 03-15-2008, 11:07 PM

start the motor and let it sit while it gets up to temp but monitor the gauge. If you see it starting to go to the hot side, go feel your upper and lower hoses, if one is substancialy hotter (top) then the other one, or if it is really tight and the other one isnt, then yes your thermostat is stuck closed, or there is a restriction in you cooling system, if both are about the same your problem is else where. also verify that it is even getting that hot, could just be a faulty sensor

03-15-2008, 09:46 PM	#1
rongfk Zilvia Addict Join Date: Dec 2006 Location: sur, califa's Age: 41 Posts: 865 Trader Rating: (13) Rides Gallery: rongfk Feedback Score: 13 reviews	is my thermostat frozen? ok, my car has been sitting for a long ass time. when i drive it it reads normal temp, but the damn thing overheats. could it be a faulty thermostat? __________________ for sale: http://www.zilvia.net/f/showthread.php?t=193169 -1990 s13 hb w/all jdm 180sx goodies... gone to fresno -1985 ae86 gts turbo... going threw a heart transplant -1963 euro ragtop bug... asleep in the garage Luv 2 Build, Luv 2 Show, Luv 2 Cruise!....

03-15-2008, 10:51 PM	#2
*S14DB* AFC #1 Join Date: Oct 2003 Location: 昨晩あなたのお母さんの家 Posts: 20,181 Trader Rating: (3) Feedback Score: 3 reviews	How long? May need to Flush the block, Inspect the thermostat and water pump and replace if needed. Are you reading the dash temp? __________________ Comments should be taken as Opinions not as Statements of Fact

03-15-2008, 11:07 PM	#3
Skaterjunky8 Leaky Injector Join Date: May 2004 Location: Hawaii Posts: 57 Trader Rating: (0) Feedback Score: 0 reviews	start the motor and let it sit while it gets up to temp but monitor the gauge. If you see it starting to go to the hot side, go feel your upper and lower hoses, if one is substancialy hotter (top) then the other one, or if it is really tight and the other one isnt, then yes your thermostat is stuck closed, or there is a restriction in you cooling system, if both are about the same your problem is else where. also verify that it is even getting that hot, could just be a faulty sensor