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Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 19267
Experience:  20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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04 NISSAN ALTIMA 4 CYL HEATER NOT WORKING WHEN ENGINE IDLES

Resolved Question:

04 NISSAN ALTIMA 4 CYL HEATER NOT WORKING WHEN ENGINE IDLES
Submitted: 6 years ago.
Category: Nissan
Expert:  Jay replied 6 years ago.

Jay :

Hello and thank you for using JustAnswer.com

Jay :

Do you get heat as you drive the car?

Jay :

Let me know, Thanks Jay!

Customer:

YES PERTY MUCH BUT NOT VERY HOT

Jay :

As long as you get some heat when driving, I know what the problem is.

Jay :

The coolant system needs to be bleed.

Jay :

There is air in the system.

Jay :

To bleed the coolant system, remove the radiator cap. Install the coolant bucket. Fill the bucket about 1/2 way. Then raise the front of the car as high as if it were on ramps. This way if there is air in the coolant system, the circulation brings it to the highest point. Then turn on the car, and put the heat on speed number 4, recirc mode on, and face mode. You may need to rev the engine a few times to move the coolant around to get the air out. After you have good heat, and little to no bubbles in the coolant bucket. Then the coolant system is properly bleed. You should have good heat when bleed properly. So when you put your hand over the vent and hold it there for 30 seconds, you get a slight burning sensation. That is perfect heat.

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Jay :

If you can not get a coolant bucket, you can make one. See image as a example.

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Customer:

I CAN BLEED IT OUT ACOUPLE OF DAYS LATER IT NEED,S IT A GAIN

Jay :

Bleeding the coolant system should resolve your issue. If you have bleed it, and the problem returns, then you could have a head gasket or coolant leak causing the problem to return.

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