antifreeze leak
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Joined: Jun 2006
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antifreeze leak
i justin rebuild my 79 400 motor. i took it for my first drive and brought it back in the garage and noticed i had a leak... it is leaking inside the cab, on the passenger side. what would this be?? is it the heater???
New User
Joined: Jan 2008
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Start the engine...bring it to full operating temp.....grab the hoses one at a time and lightly wiggle them back and forth.
If it leaks near or down the firewall, the problem is a hose.
If it doesn't leak after moving the hose around, the leak is in the heater core.
So turn on the heater .,...set it to defrost....and sniff for something sweet to verify the core.
If it leaks near or down the firewall, the problem is a hose.
If it doesn't leak after moving the hose around, the leak is in the heater core.
So turn on the heater .,...set it to defrost....and sniff for something sweet to verify the core.
