Thread: Hurricane Leak
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Old 12-06-2019
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NoGas NoGas is offline
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Join Date: Apr 2012
Location: DFW & PHX
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Default M380 Hurricane Leak Diagnosis - Part 2

After taking the required glycol bath found the problem without having to pull the H out (the good news).

Used a couple Hose Pincher Pliers to temporarily seal off inlet line to the pump, outside the H case and the small 3/8” outlet hose inside. Then removed the smaller outlet hose band clamp and pulled the hose off the barb. Disconnected the two pump wires and spun the pump off the inlet nipple. It was apparent where the leak was coming from - the threaded part of the pump showed a hairline crack. Why it happened after 3-1/2 years is anyone’s guess. More good news is March Mfg is still very much in business . They sell the whole pump & motor for $196 + S/H. But even better is they sell ALL the parts for this and their other pumps. With S&H it was about $30 with S&H. I ordered it online from ‘Pump Vendor’ HERE:
  • Cover / 0893-0004-1000 / $12.65
  • ‘O’ Ring / 1115-0018-1000 / $1.15

Lance - if you want to get your H-Engine Preheat Pump working again, the parts would likely be cheaper than a whole new pump. Plus I now know someone who could “strawboss” your work

Chip - Links to my original 2016 Hurricane Rebuild posts can be found in post #3 - HERE
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Van & Toni in TX & AZ
2004 M380 DS & 2013 Fiat 500 Pop
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