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

56chevy1300 · 02-23-2008, 05:40 AM

If the heater core is plugged / not circulating coolant, would this reduce/stop coolant from circulating through the engine as well?

That would explain the engine temp rising fast and no heat in the cab.

02-23-2008, 05:40 AM	#4
56chevy1300 Registered User Join Date: Dec 2006 Location: Edmonton, Alberta Posts: 522	Re: 04 Sierra Heating Problem If the heater core is plugged / not circulating coolant, would this reduce/stop coolant from circulating through the engine as well? That would explain the engine temp rising fast and no heat in the cab.