water pump change

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Oct 7, 2003 | 08:06 AM

mrblue01

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Joined: Mar 2001

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From: Westland, MI

water pump change

Hey,

How diffeicult is it to change the water pump on my 90 F150 351w 4x4? I have recently found puddles underneath coming from the small hole in the bottom of the pump. I am going to do it myself, I am just looking for an estimated time it will take me. Any tips would be greatly appreciated as well.

Thanks!

Oct 7, 2003 | 09:49 AM

gatesj

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Joined: Dec 2002

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From: Remsen, NY

I haven't done this but I hear the hardest parts are getting the fasteners loose from the block and getting the fan and clutch off the pump..

Oct 7, 2003 | 11:39 AM

Jack01

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Joined: Jul 2003

Posts: 299

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From: central valley California

I have change them other than the location of the bolts it is fairly simple. be sure to srape the gasket area very well and while your at it change the thermostat.

Oct 7, 2003 | 06:15 PM

ssap108

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Joined: Aug 2003

Posts: 58

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From: CA

sometimes water pump bolts get rusty,soak them with penetrating oil and loosen them carefully, its not fun to break off bolts.

Oct 7, 2003 | 06:26 PM

MunsterGarage

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Joined: Oct 2003

Posts: 89

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From: Central New York

snapped 3 bolts on my 89..........had to break off my timing cover to torch out the studs....if this happens and you dont have a stud remover, screw some nuts on the ends of the studs and weld, or have someone weld the nuts on....then heat up the bolts...............works pretty good.

Oct 8, 2003 | 06:40 AM

mrblue01

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Joined: Mar 2001

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From: Westland, MI

Well, I am half way done... I broke two bolts off. Luckily they both were left sticking out so I could use a pipe wrench to unscrew them after getting the pump off.

Now my question, What thermostat goes in here? I pulled out a 180*, but the parts store gave me a 160* to replace it.

thanks for the tips so far!

Oct 8, 2003 | 05:40 PM

ssap108

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Joined: Aug 2003

Posts: 58

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From: CA

i personally only use OEM stats on my vehicles.i dont have to guess at temps. they are an exact fit ,and they are much better quality than most aftermarket stats.they only cost maybe $5 more. steve