water pump leak
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Elder User
Joined: Nov 2009
Posts: 819
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From: Denver, CO
water pump leak
The bottom of my water pump is leaking coolant. it leaks a lot sometimes and hardly any other times.
Should I replace the water pump or just the gasket?
Do I need to worry about anything else (timing belt on some gas engines)?
Should I replace the water pump or just the gasket?
Do I need to worry about anything else (timing belt on some gas engines)?
Freshman User
Joined: Apr 2010
Posts: 41
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From: texas
like mr. jim said if coolant is coming from the weep hole on bottom of water pump that means water pump needs replacing. they can be very costly from dealer. autozone or equivelent would be a good place to go if cost is a factor. i currently got mine off from snapping a bolt off in thermostat housing . like mr Carrier says its pretty straight forward on replacement. i also got new hoses in the process might be a good time to replace them and thermostat.
Senior User
Joined: Jan 2004
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From: Pugetopolis
Oh, boy....that is a loaded question. I read many threads that discussed this page after page.
I did my pump two months ago and I defaulted to the Motorcraft fluid. It was easier to do than figure out the million mile fluids. It needed to be done and I didn't have time to research it any more.
I did my pump two months ago and I defaulted to the Motorcraft fluid. It was easier to do than figure out the million mile fluids. It needed to be done and I didn't have time to research it any more.
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Elder User
Joined: Nov 2009
Posts: 819
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From: Denver, CO
Diesels are particular to the coolant they use, correct? So is the Ford stuff (motorcraft) the best. We can assume the 7.3's were designed to use motorcraft.
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Post Fiend
Joined: Oct 2003
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From: MICHIGAN
You can use any coolant rated for diesels, be sure to add the appropriate additive. You can get it at the dealer or online.
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Joined: Jan 2004
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From: Pugetopolis
Ford does say to use ethylene glycol and not a propylene glycol based coolant. And Jim's point about the anti-cavitation additive is pretty crucial. You can get test strips to test the ratio after you add it.
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Joined: Jan 2004
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From: Pugetopolis
I had a tough time getting the one I bought to seal right. Ended up with a stock 'stat. Going into summer it's probably ok. The stat from the dealership (even though it's a 193) has a rubber seal all the way around and even envelopes the outer edge. Really a nice seal. You could possibly transfer the seal or just sandwich the 203 between two normal ones.
Senior User
Joined: Mar 2009
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From: Westby, MT
You might also consider getting the housing that sits on top of the thermostat if you change the water pump because they are known to leak after changing the pump they are around 20.00$ at napa. I ended up pulling my new pump off, thinking it was leaking because of that stupid thing, also if you can rent or buy the fan clutch removal wrench it makes life much easier
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From: Pugetopolis
My new thermostat housing leaked, so I put my old one back on. No leak. It was still in ok shape. Just a little dirty with a few pits and not all rusted out.
I also found an adjustable wrench at Sears for $20 that served as a nice clutch wrench. You can get the 203 from Dieselsite.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
Just remember that you'll need two gaskets. Top and bottom.
I also found an adjustable wrench at Sears for $20 that served as a nice clutch wrench. You can get the 203 from Dieselsite.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
Just remember that you'll need two gaskets. Top and bottom.