E450 V10 6.8 2007. Radiator question

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TWG

Member
Joined
May 3, 2021
Posts
6
Location
Santa Fe, Nm
"Oil cap" on a radiator? Do you mean the radiator cap? Or the coolant reservoir cap? E450 radiator & reservoir caps are available at any auto parts store of Ford dealer. Here is one source:
No, radiator oil caps are a part of the radiator for a 2007 6.8 V-10 E-450. There are two different sized radiators, one with a 1/2 inch cap the other 3/8 inch cap. I never heard of this until I went to buy one from Auto Zone. They didn’t know.
 

TheBar

Well-known member
Joined
Jun 25, 2018
Posts
1,013
Location
MS
Are you talking about where the transmission cooler line attaches to the radiator?
 

Gary RV_Wizard

Site Team
Joined
Feb 2, 2005
Posts
73,553
Location
At our Silver Springs FL home
That does indeed sound like a drain for the transmission oil cooler. There is no "oil" in the radiator itself, but a oil line from the transmission runs through the bottom of the radiator to help cool the transmission.
 
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