1998 Sonoma no heat

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1998 Sonoma no heat - 12/7/2006 2:32:39 PM    MClapp   Posts: 2 Joined: 12/7/2006 Status: offline Okay, I have a 1998 GMC Sonoma with a V-6 Vortec. i recently discovered that no heat was comming throught the vents when on, just air. trying to find any suggestions on what to check. The engine uses GM DEX cool. i have replaced thermostat, truck is not overheating. no leaks from anywhere, no puddles from the heater core. blower works just no heat. could it be the core is just blocked? i have checked fuses as well, they are fine. Please Help!!!! MRC Post #: 1

RE: 1998 Sonoma no heat - 12/8/2006 5:19:26 PM    MClapp   Posts: 2 Joined: 12/7/2006 Status: offline Flushed system and heater core, replaced fan clutch, now i have all the heat i could want (in reply to MClapp) Post #: 2

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