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| | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | I have a 54 chevy with 235. Awhile ago, i noticed that my radiator was leaking badly as soon as the truck warmed up. I took radiator to radiator shop and had it cleaned and there were no leaks at all. Put a new thermostat in as well. Whenever truck starts to warm up, the overflow tube starts draining all the fluid in the radiator. any ideas what could cause this? thanks!! | | | | | Joined: Jun 2009 Posts: 2,201 Shop Shark | | Shop Shark Joined: Jun 2009 Posts: 2,201 | over filled radiator. the level should be down near the top of the fins. once it starts out the overflow it probably is just siphoning it off. does it quit once the level is down some? | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | what Vern says - note that you're usually adding water when it's cold, as temperature goes up, water expands
if you check the level when it's up to normal temp, it should still be at least an inch or 2 down from the fill neck
Bill | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | it will drain until the radiator is dry. that is why i noticed it, it will empty the whole radiator unless i turn the truck off. the engine temp goes way above normal also. | | | | | Joined: Jun 2009 Posts: 2,201 Shop Shark | | Shop Shark Joined: Jun 2009 Posts: 2,201 | In that case, a new thermostat does not necessarily mean a good thermostat. remove it and test it in a pot on the kitchen stove. If the kids ask you are making thermostat soup for supper.
| | | | | Joined: Oct 2002 Posts: 4,066 Bolter | | Bolter Joined: Oct 2002 Posts: 4,066 | might check to see if you have water in the oil,
or water coming out of the tail pipe, it has to be going some where...and if the rad goes dry I would think the temp for sure would go above normal, like hot
Redryder pixMy HotrodA veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."I am fighting cancer and I am winning the fight | Pain is part of life; misery is an option. | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | will check that tomorrow, hoping its something that simple! thanks again for the quick reply! | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | well i switched thermostats, and leveled the antifreze. seems to be working now. may have just been the thermostat. i appreciate all the responses! | | | | | Joined: Oct 2002 Posts: 4,066 Bolter | | Bolter Joined: Oct 2002 Posts: 4,066 | so the thermostat was stuck and caused all the coolant
to boil out and make the rad dry... the temp gauge should have
warned of that by being really hot...
glad that is all to it though...
Redryder pixMy HotrodA veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."I am fighting cancer and I am winning the fight | Pain is part of life; misery is an option. | | |
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