Radiator Coolant Help - Engine Troubleshooting


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Auto Repair Home>> Automotive Repair>> Engine Troubleshooting

Jakeman02
New User

Jun 12, 2011, 6:07 PM

Post #1 of 3 (1080 views)

Radiator Coolant Help	Sign In

Hello, I have a 2003 Dodge Grand Caravan with 55,000 miles. I bought it used over 3 years ago with 49,000. Something that has been a consistent issue over my time with it is the antifreeze seemingly evaporates. I've had the cooling system pressure tested and everything checks fine but every few months I have to add a gallon or more of antifreeze, It's not leaking anywhere that can be found. I'm thinking or most likely hoping it could be a bad radiator cap and that simple. Could that be it or any ideas, things to check or have checked?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 12, 2011, 6:48 PM

Post #2 of 3 (1072 views)

Re: Radiator Coolant Help	Sign In

You're definitely losing it somewhere. You may not have pressure tested it sufficiently or it could be burning it through a blown head gasket or intake gasket leak.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 13, 2011, 9:42 AM

Post #3 of 3 (1059 views)

Re: Radiator Coolant Help	Sign In

Jake - listen to Hammer Time. Pressure check the system - whatever works - use powder (non flammable) or whatever and find the leak.

Hey - if hot where you are and using pure EG antifreeze that alone is a horrible product for heat exchange unlike the crap they say on the container. 50/50 is the standard. That equals negative 34F. Got the T-shirt - it will be slush if colder than that and shrink, not the damaging expansion,

T

(This post was edited by Tom Greenleaf on Jun 13, 2011, 9:53 AM)

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