HELLO I HAVE A 1995 GMC SAFARI WITH A 184.000 MILES AN WHEN ACCELERING THE HEAT BLOWS, BUT WHEN I COME TO A STOP IT BLOWS COLD AIR ...
Jan 2, 2011 at 7:44 PM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
Make sure the coolant level is full. Also, if it is, backflush the heater core and entire cooling system. One last thing. Make sure the engine is running at a normal operating temp. If it isn't warming up enough, you won't get good heat.