There are commercial designs out there that use the same flexible coolant hoses, called Loc-Line, which are often seen spewing coolant on metalworking machines like mills and lathes. But the stuff ...

Often, this comes down to that specific part, say a coolant hose, falling into one of these categories: Original Equipment (OE), Original Equipment Manufacturer (OEM), Genuine, or Aftermarket.

The radiator hoses may collapse, this is normal. Once the gauge reaches about 25 inches of vacuum, close the valve and ...