TwinTurbo.NET: Nissan 300ZX forum - You need to bleed the cooling system of air. Here's how:
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Subject You need to bleed the cooling system of air. Here's how:
     
Posted by sumonis on February 21, 2005 at 5:56 PM
  This message has been viewed 373 times.
     
In Reply To heater core Replaced, hot air takes a while posted by 93 Blue Z on February 21, 2005 at 10:44 AM
     
Message remove rad cap( make sure to relieve pressure first) Get a larger head phillips screw driver and remove plastic screw on pass. side of radiator top. Fill radiator. Start car. Set heater to hot (90) and turn on fan to high. This will open heater control valve allowing coolant to flow into heater core. Let the car idle until it warms up enough to open thermostat. You'll know when the radiator fluid dissapears inside the radiator. Fill up with more fluid until it starts to come out the plastic screw hole. Cap hole. Check for heat in the pass compartment. If heat, you have bled the air. fill up rad and cap it. You're done.

Paul
I also own a radiator shop

67.5 Datsun 1600 roadster
72 240z
92 300zxtt

     
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