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Chevy S-10 Blazer V-6, heater core

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New User

May 18, 2005, 9:33 PM

Post #1 of 2 (2673 views)
Chevy S-10 Blazer V-6, heater core Sign In

My heater core has gone out, and my blazer has AC. Does anyone know if i have to deal with draining the Freon or can i just pull the heater core and reconnect the hoses until i get a new core??

Tom Greenleaf
Ultimate Carjunky / Moderator
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May 19, 2005, 12:06 AM

Post #2 of 2 (2665 views)
Re: Chevy S-10 Blazer V-6, heater core Sign In

Heater core should NOT require touching the "Freon" aka refrigerant. You can disconnect both heater hoses and put them together with a metal barbed metal adaptor till you fix the heater core. Found at hardware stores more than auto parts stores. Hoses will be a pest, cut them if needed and it's a great time to replace them anyway.

bypassing heater core is ok but some engines use the heater flow as a balance for engine temp so making a loop is better than just plugging both, if you want to buy some time. Good luck with the fix,

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