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  #13  
Old 02-13-2014, 01:07 PM
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Originally Posted by hemi_shox View Post
I just fixed this issue on mine last week. Turns out, the hoses to and from the radiator were bad. Replaced those along with the water pump and thermostat and everything runs perfectly now. My coolant has stayed full since
Sounds like you basically redid your entire cooling system. Good preventive maint. I guess.
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Old 02-13-2014, 05:02 PM
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Re: Losing Coolant

It's a good idea to change the thermostat anyway. It's not like he changed the radiator lol!
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Old 02-17-2014, 07:24 PM
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Re: Losing Coolant

well, I replaced the radiator cap. Things looked great and then yesterday while I was sitting with the engine idling for about 5 minutes I hear a chime go off and the engine temp was all the way to "H". I immediately turned off the engine and let it cool. I looked at the reservoir and it showed full. After about 20 minutes of cooling I loosened the cap and the pressure just gushed out and the coolant in the radiator just depleted down to nothing. Luckily I had a gallon of coolant to add... my issue here is that if it is holding that much pressure, could the hoses be bad. I will definitely check tomorrow for any signs of a bad pump and/or thermostat. I'm getting the feeling, though, that with 137,000 miles I'm probably looking at replacing pretty much the entire coolant system to make sure that I get this problem resolved... wish me luck guys and thank you all for your help/input
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Old 02-17-2014, 07:34 PM
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Re: Losing Coolant

Quote:
Originally Posted by 05JGCwolfe View Post
well, I replaced the radiator cap. Things looked great and then yesterday while I was sitting with the engine idling for about 5 minutes I hear a chime go off and the engine temp was all the way to "H". I immediately turned off the engine and let it cool. I looked at the reservoir and it showed full. After about 20 minutes of cooling I loosened the cap and the pressure just gushed out and the coolant in the radiator just depleted down to nothing. Luckily I had a gallon of coolant to add... my issue here is that if it is holding that much pressure, could the hoses be bad. I will definitely check tomorrow for any signs of a bad pump and/or thermostat. I'm getting the feeling, though, that with 137,000 miles I'm probably looking at replacing pretty much the entire coolant system to make sure that I get this problem resolved... wish me luck guys and thank you all for your help/input
That much pressure means the water pump is pushing the coolant to build the pressure but it's probably not correctly circulating due to a stuck thermostat. Either that or you have a blockage somewhere (likely the radiator).
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  #17  
Old 02-17-2014, 08:12 PM
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Re: Losing Coolant

Your thermostat is causing pressure because it's not opening like he said. Change it it's really cheap. That's why I hate thermostats lol. If you live in a really jot climate you can just take it out and leave it out. Used to live in Bermuda and what's what we did. Especially on motorcycles. Flush the coolant system as well.
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