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#1
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Coolant leak
I just bought a used 2001 Dodge Grand Caravan Sport with a 3.3 v6 engine and it has a coolant leak that I can not find. I can put water in the radiator and see it go down but I do not see anything on the ground. Also the coolant resovoir or bottle does not move coolant into the engine when it is hot and over heated. I have checked the engine oil for water and their is none. The check enigin light also stays on all the time as well. Also it seems that the blower motor works sometimes. I also do not see any water coming out of the tailpipe as well and no white smoke either.
I would appreciate any help and advice any one can give me. Thanks. --------------= Posted using GrabIt =---------------- ------= Binary Usenet downloading made easy =--------- -= Get GrabIt for free from http://www.shemes.com/ =- |
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#2
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Coolant leak
"Virgil2U" > wrote in message b.com... >I just bought a used 2001 Dodge Grand Caravan Sport with a 3.3 v6 engine >and it has a coolant leak that I can not find. I can put water in the >radiator and see it go down but I do not see anything on the ground. Also >the coolant resovoir or bottle does not move coolant into the engine when >it is hot and over heated. I have checked the engine oil for water and >their is none. The check enigin light also stays on all the time as well. >Also it seems that the blower motor works sometimes. I also do not see any >water coming out of the tailpipe as well and no white smoke either. > > I would appreciate any help and advice any one can give me. have you run a pressure test on the system? |
#3
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Coolant leak
Virgil2U wrote:
> I just bought a used 2001 Dodge Grand Caravan Sport with a 3.3 v6 > engine and it has a coolant leak that I can not find. I can put > water in the radiator and see it go down but I do not see anything on > the ground. Also the coolant resovoir or bottle does not move > coolant into the engine when it is hot and over heated. I have > checked the engine oil for water and their is none. The check > enigin light also stays on all the time as well. Also it seems that > the blower motor works sometimes. I also do not see any water coming > out of the tailpipe as well and no white smoke either. > > I would appreciate any help and advice any one can give me. The coolant reservoir moves water to the engine as it cools after being hot (not when it is hot), unless there is a leak in the hose to it from the engine, or a leak in the cooling system that allows air to leak in. As the engine cools, steam in the system condenses, forming a vacuum which draws in the water. |
#4
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Coolant leak
On Thu, 30 Jun 2011 04:34:26 -0500, "NotMe" > wrote:
> >"Virgil2U" > wrote in message eb.com... >>I just bought a used 2001 Dodge Grand Caravan Sport with a 3.3 v6 engine >>and it has a coolant leak that I can not find. I can put water in the >>radiator and see it go down but I do not see anything on the ground. Also >>the coolant resovoir or bottle does not move coolant into the engine when >>it is hot and over heated. I have checked the engine oil for water and >>their is none. The check enigin light also stays on all the time as well. >>Also it seems that the blower motor works sometimes. I also do not see any >>water coming out of the tailpipe as well and no white smoke either. >> >> I would appreciate any help and advice any one can give me. > >have you run a pressure test on the system? > > The pressure CAP should also be tested. Likely a "vapour phase" leak - where it basically only leaks when hot and under pressure, so no obvious drips. Lokk for stains the colour of the antifreeze (yellow, pink, or blue, depending what is in the rad ) or rust. Very possibly a bad water pump - or POSSIBLY just a bad cap. |
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