302 Coolant Leak
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New User
Joined: Aug 2013
Posts: 14
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From: Chico, CA
302 Coolant Leak
Just installed a new waterpump, now I leak from the rubber stopper located under the radiator cap, I think its to relieve pressure. What are some reasons this is leaking? Thanks guys.
Postmaster
Joined: Nov 2011
Posts: 3,533
Likes: 17
From: SW Florida
Aftermarket radiators all come with a connection or two that not all vehicles use. Your truck don't use that port which has the rubber cap on it, but there should be a hose clamp around it to keep it from leaking.
Put a clamp on it and you'll be good to go.
Put a clamp on it and you'll be good to go.
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
The second port was used for the throttle body warmer circuit. I would assume that has been disabled since that port is open on the radiator.
It was a terrible idea that unnecessarily complicated everything.
It was a terrible idea that unnecessarily complicated everything.
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