2001 Chevy g2500 rear heater hose replacement. I have a hole in it and its leaking fluid.
heater hose is a cheap item, get a 4' length of the correct size at an auto parts store. A new hose and 2 new clamps won't cost you much. Make sure you are very careful removing the hose at the heater. take the clamp off then use a razor or knife to cut the outside of the hose, be careful you are working with very thin soldered brass pipe. The hose when cut should twist easily be careful you don't damage the heater it's a very simple job.
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