Question about 1993 Chevrolet Lumina APV
If i'm not mistaken, the one from the top of the pump to the firewall is the heater hose, as the heater is inside the van under the glove box or in the middle of the dash usually, so the heater hose has to go through the firewall, and the bypass hose should go straight to the engine or the rad. Although i'm not 100% sure since i never dismantled a lumina heater and hose assembly, but i rarely seen it any other way on all the cars i did work with and it's also only logical.
Posted on Jul 17, 2009
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Posted on Jan 02, 2017
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