T444E water pump
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Aren't there quite a few folks putting aftermarket coolant filter setups on their trucks while running the HD ELC? This is the same concept. You get a heavy duty pump, move the hose out from in front of the HPOP and you get the filter in a better spot at the same time.
I'd do it again knowing what I know now...
Stewart
Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
Likes: 110
From: Western AR
I didn't think you were knocking the idea/install. I enjoy the discussion as much as anyone when it comes to aftermarket mods. Not everyone sees the need for some things or has the same capabilities. I just rebuilt my first turbo, and I thoroughly enjoyed it! I might have found myself a new hobby.
Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
Likes: 110
From: Western AR
As a follow up, you will need to cut off 1/2" to 3/4" off the BOTTOM end of the Gates hose to keep it from rubbing on the tie rod. Mine was just starting to chafe a little bit at the stock length. With the little bit chopped off, it clears the tie rod by 1 1/2" and no rubbing.
Lead Driver
Joined: Sep 2010
Posts: 7,793
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Senior User
Joined: Nov 2012
Posts: 129
Likes: 0
Awesome write up. Found out my pump was leaking, then found this thread along with a few others. This one is the most detailed for the pump I have found yet. Ordered most of the parts to do the conversion. Thanks Nicmike.
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Just changed my coolant filter a few weeks ago and had sand falling out of the filter after only about 3k miles. Did it because my bottle got a crack and figured why not check the filter now while the coolant it mostly drained. Word of caution to the next guy that does this mod though, you really have to get that bottom connection of the gates hose on, mine fell off and I lost about 5.5 gallons of coolant in about 10 seconds while in stop and go traffic. Scared the crap out of the little car in front of me because there was a sudden wall of steam engulfing their car when I stopped behind them.
Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
Likes: 110
From: Western AR
Now that you are catching all that sand, that heavy duty pump should last a very long time. I need to change mine again just as a precaution. 20k on first filter, and now 10k on the second. Hopefully, all the sand is out. Had to buy a new radiator. Plastic fitting up top for main hose cracked and fell apart on me. Plastic got very brittle...
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Unlikely it's sand. More likely it's precipitate drop-out.
The chemicals that make up the anti-cavitation erosion part of the coolant eventually agglomerate and precipitate (fall out) of the coolant, and it looks like sand. It travels around the cooling system with the coolant, and tends to eat away at the water pump seal. Then, leaking coolant washes the lubricant out of the water pump bearing, and it's all downhill from there.
Filtering the precipitate out of the coolant lessens (by a lot) the wear on the seal, and prolongs the pump's life significantly.
So don't worry about the sand, just filter out the precipitate.
As long as you're adding SCAs, you'll develop precipitate, so keep it up, even if you believe all the "sand" is gone.
Pop
The chemicals that make up the anti-cavitation erosion part of the coolant eventually agglomerate and precipitate (fall out) of the coolant, and it looks like sand. It travels around the cooling system with the coolant, and tends to eat away at the water pump seal. Then, leaking coolant washes the lubricant out of the water pump bearing, and it's all downhill from there.
Filtering the precipitate out of the coolant lessens (by a lot) the wear on the seal, and prolongs the pump's life significantly.
So don't worry about the sand, just filter out the precipitate.
As long as you're adding SCAs, you'll develop precipitate, so keep it up, even if you believe all the "sand" is gone.
Pop
Thread Starter
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Pop, I have heard a lot of people talk about sand before. Are you sure it cant be sand?
The 7.3 is a sand cast motor, and reportedly there is sand left in the engine after the casting.
The 7.3 is a sand cast motor, and reportedly there is sand left in the engine after the casting.
Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
Likes: 110
From: Western AR
Yeah, same here on the EC-1 coolant, so no drop out from any SCAs. Looks and feels like a fine clay/sand substance in the last filter. Not sure why you are losing coolant? Did you cut a piece off the old hose to use on the lower inlet of the radiator as a bushing? I'm paying about the same for a gallon of concentrate...$25.