Question about 1995 Nissan Altima

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Heater bows cold when idling

I have a 1995 nissan altima gxe. the heater blows fine when the car is moving but when you come to a stop or the car idles, the heat disappears and blows cold air. have checked anti-freeze and it is full. any ideas? anyone?

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  • Anonymous Jan 17, 2009

    i tried this to no avail. i was wondering how long should I let the car idle? how long does this process usually take?




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You need to bleed the cooling system.
To do this park on level ground, when cold remove coolant filler cap, start engine and leave to idle.
Have plenty of warm/hot water available, when engine reaches operating temp it may appear to boil over so keep away from coolant filler, top up with warm/hot water and wait as it may bubble over a few times before settling.
Replace cap and hopefully back to normal, Remember your Anti Freeze?
Good luck,
Paul 'W'
Oner~EDson(:0) {#><U.K.

Posted on Jan 16, 2009


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Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
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