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Premium Member
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Discussion Starter #1
heater core stopped up???

seems like the heater core in my truck is stopped up or something. it blew a headgasket awhile back and a cracked head. I fixed that but now the damn heater doesnt work. Is it possible that its just clogged up. It was replaced about 2 years ago. anybody ever had one clog up or do you just say screw it and replace it
 

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Premium Member
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14,152 Posts
Yea it can clog up, flush the cooling system see if that helps. Run the heat wide open while flushing
 

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DRAMA FREE!
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3,958 Posts
To effectively flush the heater core, take the two hoses off and run the water hose in backwards to flush it out.. not alot of pressure, just a good flow to back the gunk out.. or you can take it out and have it dipped..
 

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Discussion Starter #4
thanks guys I forced some water through the heater core this morning and it started working again.....feels good to have some heat i was getting tired of freezing my butt off every morning....:D
 
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