Another Type of Coolant Leak - Hemi Truck Club
 
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Old 12-24-2016, 03:56 PM   #1
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Another Type of Coolant Leak

I used the search function to jump on to the same discussion, if it existed. No luck.
Hoped to run this by the Hemi owners. My '04 5.7L is leaking more and more coolant. I can't identify the source. The front of the block is dry and the coolant seems to collect down the mounting flange between the transmission and block.

Local parts guy mentioned he believes it could be the intake manifold leaking at the back..

Tried to find a thread with the same issue. Not sure what this is.

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Old 12-24-2016, 04:03 PM   #2
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Our intakes have no coolant in them. There is a coolant temp sensor in the front valley section of the block that can leak bit if it's between the engine and the trans than it could also be freeze plug.
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Old 12-24-2016, 05:32 PM   #3
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Agreed, need to carefully check those rear freeze plugs. Our early hemi trucks have some age on them....
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Old 12-24-2016, 10:29 PM   #4
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Quote:
Originally Posted by charged392 View Post
Our intakes have no coolant in them.
I had wondered about that. Regualr cleaning of the throttle body is as far as I've dived into the intake. Thanks for the heads up. Wishing y'all a Merry Christmas
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Old 12-24-2016, 10:41 PM   #5
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Quote:
Originally Posted by Redtruck-VA View Post
Agreed, need to carefully check those rear freeze plugs. Our early hemi trucks have some age on them....
Freeze plugs sound like the source. The cabin heater core corroded through two years back. Thank y'all for the help, and wishing a Merry Christmas.
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