Uploaded March 2014 | Updated September 2026, 2 weeks ago
With this video I show the way I replace the upper and lower hoses on the 6.4 Powerstroke. The replacement hoses are a dual o-ring design. The dual o-rings help in multiple ways. One is leaks. The other is keeping pressure in the system which reduces cavitation, air pockets, hot and cold spikes and premature front cover wear.
With this video I show the way I replace the upper and lower hoses on the 6.4 Powerstroke. The replacement hoses are a dual o-ring design. The dual o-rings help in multiple ways. One is leaks. The other is keeping pressure in the system which reduces cavitation, air pockets, hot and cold spikes and premature front cover wear.
