2003 Nissan 350Z no heat blows when idle

2003 NISSAN 350Z
77,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SUSANKAY1960
  • MEMBER
  • 1 POST
The heat comes out very warm unless you are parked or at a stop sign. When idle it blows cold air
Nov 16, 2009 at 10:20 AM
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ERNEST CLARK
  • ✓ASE Certified Mechanic
  • 1,730 POSTS
  • ASE Certified Mechanic
Either your heater core is clogged, or there's air in your system.

If there's air in your system, you'll need to find out how that air is getting into the system.
Feb 23, 2010 at 5:39 PM
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