Coolant Dissaperaing
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Senior User
Joined: Sep 2003
Posts: 254
Likes: 0
From: Colorado
Coolant Dissaperaing
So it's been about three months now since I finished the rebuild of my 302 engine. It's running great, however, it's been eating up coolant. It will suck down everything in the coolant resivoir (when filled to the 'cold fill' line) within three weeks.
I've never been able to see any coolant in the exhaust system, and I'm not seeing anything in the oil either. I also can't find any leaks.
Anyone have any ideas? I've heard something about a "leak down" test, what is that?
Thanks
I've never been able to see any coolant in the exhaust system, and I'm not seeing anything in the oil either. I also can't find any leaks.
Anyone have any ideas? I've heard something about a "leak down" test, what is that?
Thanks
Post Fiend
Joined: Apr 2002
Posts: 5,964
Likes: 1
From: Woodruff, SC
The leak down test is actually a coolant system pressure test. most auto parts places will do it for you. It pressurizes your system without the vehicle running and you watch the guage to see if it drops. If the guage drops look around for the leak, You will usually see drips somewhere if its an external leak.
