The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**landy** · 06-12-2013, 02:05 PM

That's a good idea. Have you noticed any temperature difference with the A/C off and just pulling outside air (with the hot water valve closed)?

06-12-2013, 02:05 PM	#6
landy Senior Member Join Date: Jun 2000 Location: alb, nm Posts: 413	Re: Heater Troubleshooting That's a good idea. Have you noticed any temperature difference with the A/C off and just pulling outside air (with the hot water valve closed)?