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I've finished reburbishing my heater and now need to replace the coolant and bleed the system. Do I just leave the heater output hose free at the water pump and run the engine until I get a good flow then refill the radiator?

Randy (Learning as I go)
 
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no, just hook it up and go.
jimbo

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Hook everything up. Fill the radiator. Start the motor with the radiator cap off and watch the level. If the level drop, add some more fluid. Keep one eye on the gauge, just for safety. When you don't have to add anymore water put the cap on. After you drive the car, check the fluid and top off if neccessary

Rob
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66 coupe 302
66 fastback 351W
 

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There is no bleeding of the system. After you have everything together fill up the radiator with fluid.
Start the motor with the cap off. When motor reaches operating temp. the thermostat will open, and the fluid level
will drop. When this happens put more fluid in till it's full, put the cap on and enjoy your car. After you
have the car out check the fluid and add some if needed, but you shouldn't. Don't use more than a 13lb cap.
 

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What they said ... except only fill it to about an inch below the fill neck of the radiator. Anything more, and it'll just puke it out the overflow.

If you always do what you've always done,
You'll always get what you've always got

http://www.classic-mustang.net/johnpro
 
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