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Slight drip at pex fitting to water pump hose?

Itinerant1
Explorer
Explorer
As the title states. The flexible hose that comes from the water water pump that connects to the pex line fitting keeps dripping slightly. It drips more when it cooler out than when it's warm. I figured it was because of aging so bought a new hose 3/4" OD x 1/2" ID Braided Vinyl Tubing. Made sure it was snug up to the stop on the pex fitting, tightened the hose clamp with a ratchet instead of a screwdriver so it was tight and not snug. It's straight on...no weird angle or slight **** to it but it still is ever so slightly getting a drip build up where it connects (it is this water connection not on the other side by the pex tube). Is there something that can be applied to the hose connection before sliding the hose on that will stop the slight drip.
12v 500ah, 20 cells_ 4s5p (GBS LFMP battery system). 8 CTI 160 watt panels (1,280 watts)2s4p,Panels mounted flat. Magnum PT100 SCC, Magnum 3012 hybrid inverter, ME-ARC 50. Installed 4/2016 been on 24/7/365, daily 35-45% DOD 2,500+ partial cycles.
18 REPLIES 18

Itinerant1
Explorer
Explorer
It was cleaned before attaching the hose and it was snug fit just getting the hose on the fitting.[img] Click For Full-Size Image.[/img]
12v 500ah, 20 cells_ 4s5p (GBS LFMP battery system). 8 CTI 160 watt panels (1,280 watts)2s4p,Panels mounted flat. Magnum PT100 SCC, Magnum 3012 hybrid inverter, ME-ARC 50. Installed 4/2016 been on 24/7/365, daily 35-45% DOD 2,500+ partial cycles.

BarneyS
Explorer III
Explorer III
Moved to Tech Issues forum from DIY.
2004 Sunnybrook Titan 30FKS TT
Hensley "Arrow" 1400# hitch (Sold)
Not towing now.
Former tow vehicles were 2016 Ram 2500 CTD, 2002 Ford F250, 7.3 PSD, 1997 Ram 2500 5.9 gas engine

Old-Biscuit
Explorer III
Explorer III
A new fitting............sounds like you have a slight crack in yours

Shurflo Pump Fittings
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

GordonThree
Explorer
Explorer
Try taking the joint apart, clean the pex with some isopropyl and reassemble. Maybe just a piece of grit is in there disrupting the o-ring.

Otherwise just replace the fitting.
2013 KZ Sportsmen Classic 200, 20 ft TT
2020 RAM 1500, 5.7 4x4, 8 speed