Take it to the dealers! They will take a day to do it, it will cost you around $600 to $1000. It will take you four days and a lot of back ache and the core will cost you $150 to buy.
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how to remove heater core 87 Chevy astro van. like to have diagram.
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if you heat in back but not front is usually caused by front heatercore stopped up. you can try to back flush heatercore. also make sure to get air out of system using bleeder screws.
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give me time an i will answer your question later
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