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Heater Hose?

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Old Oct 14, 2015 | 02:00 PM
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FLHermit
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From: Ocala
Heater Hose?
Still working on my 89 E 350 7.3 IDI
There is a T in one of the heater hoses that goes to the bottom of the radiator What is it for and do I need it.
 
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Old Oct 15, 2015 | 01:09 PM
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That T sends warm/hot coolant dwn to the bottom of rad to warm up your trans oil cooler in the bottom of rad before every thing gets up to the operating temp
 
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Old Oct 16, 2015 | 09:18 AM
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FLHermit
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From: Ocala
Is it a dead end I don't see a return? This is my first diesel so I'm seeing/learning a lot of new stuff.
 
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Old Oct 16, 2015 | 01:37 PM
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kb1jid
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The small hose that comes off of the heater hose should go dwn to bottom pass side of the rad and connect to a fitting there. the inside of that fitting is a small office hole. There is no return hose coming back up.
 
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