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Is there a direction valve in a heater core for a truck?

Updated: 8/17/2019
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15y ago

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No there is not. Whats the problem no heat ??

If so try this, reverse the heater hoses on the heater core and then go drive the truck and see if you get heat.

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15y ago
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Q: Is there a direction valve in a heater core for a truck?
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