Overheating

**elliot444** · 02-02-2010, 10:10 AM

I just installed a new radiator as my old one cracked and my car has been fine until tonight
i was doing long distance and it started to overheat on the freeway
It was rapidly going from normal to over the red zone within a few seconds and kept going up and down the whole way
i could hear bubbling when i stopped and a kind of hissing from the cap
would it be my cap that not working properly?
also if i accelerated hard it would cool down for a few seconds then go back up
nothing else i did helped it
really frustrating and i dont wanna have to dish out the $$$ again after a new radiator
help please??

**JUNKyardHOE** · 02-02-2010, 01:11 PM

you either didn't fill your system all the way... or your cap is leaking... but either way there isn't enough coolant in the system

did you get a new cap when you got the new rad?

**subspec** · 02-02-2010, 02:06 PM

You gotta burp your coolant system.

**Pineapple** · 02-02-2010, 03:57 PM

Did you get a new thermostat? Always get a new thermostat when you change water pump or rad.

**akley88** · 02-02-2010, 03:58 PM

and make sure that it is installed in the right direction

**elliot444** · 02-03-2010, 05:54 AM

I put it a new thermostat in and bought a new cap, it seemed to do the trick, hopefully it stays that way
however one of my tire valves broke when i was testing it *sigh* lol its never ending
thanks for the help :)

**CelicaGTSboy23** · 02-06-2010, 08:22 AM

When i did my rad swap, mine was doing the same thing. all the guys that posted here are correct. new cap, thermostat and burpin the system is whatcha need. hey sub, quick question...... the thermostats are directional no?

**FluffyNutts** · 02-08-2010, 01:26 AM

Quote:

Originally Posted by CelicaGTSboy23

When i did my rad swap, mine was doing the same thing. all the guys that posted here are correct. new cap, thermostat and burpin the system is whatcha need. hey sub, quick question...... the thermostats are directional no?

I don't believe they are, they only fit in one way, picture them looking something like a bell.

02-02-2010, 10:10 AM	#1 (permalink)
elliot444 Location: australia Posts: 4 Join Date: Dec 2009 Last On: 04-07-2010 03:49 AM	Overheating I just installed a new radiator as my old one cracked and my car has been fine until tonight i was doing long distance and it started to overheat on the freeway It was rapidly going from normal to over the red zone within a few seconds and kept going up and down the whole way i could hear bubbling when i stopped and a kind of hissing from the cap would it be my cap that not working properly? also if i accelerated hard it would cool down for a few seconds then go back up nothing else i did helped it really frustrating and i dont wanna have to dish out the $$$ again after a new radiator help please??

02-02-2010, 01:11 PM	#2 (permalink)
JUNKyardHOE aka. JUNKyardHULK Location: Corvallis, OR Posts: 2,353 Join Date: Jul 2009 Last On: 09-30-2011 04:29 PM Vehicle: '00 Celica GT-S	Re: Overheating you either didn't fill your system all the way... or your cap is leaking... but either way there isn't enough coolant in the system did you get a new cap when you got the new rad?

02-02-2010, 02:06 PM	#3 (permalink)
subspec angry modder/5th gen guru Location: albuquerque Posts: 7,271 Join Date: Apr 2009 Last On: 12-20-2011 02:57 PM Vehicle: ST184 5SGTE 2nd Vehicle: 02 golf gls	Re: Overheating You gotta burp your coolant system. __________________

02-02-2010, 03:57 PM	#4 (permalink)
Pineapple Location: Toronto Posts: 5,131 Join Date: Jan 2004 Last On: 02-02-2012 11:39 PM	Re: Overheating Did you get a new thermostat? Always get a new thermostat when you change water pump or rad. __________________ http://photos.yahoo.com/fredericklaw http://members.rankmyride.com/pineapplelaw

02-02-2010, 03:58 PM	#5 (permalink)
akley88 Watchn Super Speeders Location: reading, pa Posts: 3,697 Join Date: Jul 2009 Last On: 11-11-2011 01:12 PM Vehicle: 07 Eclipse GS-N	Re: Overheating and make sure that it is installed in the right direction __________________

02-03-2010, 05:54 AM	#6 (permalink)
elliot444 Location: australia Posts: 4 Join Date: Dec 2009 Last On: 04-07-2010 03:49 AM	Re: Overheating I put it a new thermostat in and bought a new cap, it seemed to do the trick, hopefully it stays that way however one of my tire valves broke when i was testing it sigh lol its never ending thanks for the help :)

02-06-2010, 08:22 AM	#7 (permalink)
CelicaGTSboy23 Celica GTS BOY Location: Barrie Posts: 368 Join Date: Sep 2007 Last On: 04-15-2011 03:34 PM Vehicle: '10 Elantra T 2nd Vehicle: '10 Altima Coup	Re: Overheating When i did my rad swap, mine was doing the same thing. all the guys that posted here are correct. new cap, thermostat and burpin the system is whatcha need. hey sub, quick question...... the thermostats are directional no? __________________ Celica Boy GT-S

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