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I have self-diagnosed my 93 with 351 and am pretty sure my water pump is getting ready to take a crap. Has anyone ever changed it out themselves, and how much trouble is it? I hear that it involves things like radiator removal etc. Just wondering,
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Water Pump Getting ready to go out?
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#2
- Bronco Commander
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Posted 08 April 2009 - 12:38 PM
Drain cooling system first, then disconnect top/bottom hoses, heater hoses, by-pass hoses. remove bolts that hold shroud and remove fan. remove radiator. loosen alternator, p.s. pump, air cond. to remove belts. the pulley should come off now. remove bolts that hold pump from chain cover and remove pump. make sure surface is clean before installing new gasket and assemble in reverse order. take the time to buy new belts and hoses if not sure how old they are.
This post has been edited by Bronc76: 08 April 2009 - 12:39 PM
76 Early Bronco, Special Decor Package, 302, C4, Dana 20, Dana 44, 9", Hatteras green poly, 5.5" superlift, 36" swampers
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78 F-100 Custom 2WD 302, C4, Dana 44, black, a/c
79 F-150 Ranger 4WD 400, C6, NP 205, Dana 44, 9", Walnut Glow/ Light sand, a/c cc
97 Chevy S-10 4WD 4.3, Standard red, a/c cc
#3
- Bronco Maniac
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Posted 08 April 2009 - 12:55 PM
Yeah it sounds like a twelve pack and three day project. Any suggestions on upgrades while I'm at it? I am also wanting to replace my power steering pump while I'm dorking around in there. It works fine but has that distinct Ford early 90s whine to it.
#4
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Posted 08 April 2009 - 02:00 PM
You can always upgrade to a high-volume water pump from someone like Flowkooler, Mildoon or Edelbrock:
http://www.flowkoolerwaterpumps.com/
http://store.summitr...mp;autoview=sku
http://www.milodon.c...water-pumps.asp
It's an afternoon job, no big deal but you'll want to keep track of which bolts went where because you'll have 4 or 5 different length bolts once you get them all out.
You might also want to ck the condition of the fan clutch while you have it out, if it's leaking fluid it's on it's way out. Replacement clutch's are pretty cheap and if you don't spend much time fording streams & such you can always go with a direct drive. Upgrading to a flex-fan is another option as well.
If you're in the mood for upgrades & replacing your power steering pump anyways then maybe consider bumping up to a Saginaw pump from an E250. The Saginaw pump is much more robust than the standard Ford pump.
http://www.flowkoolerwaterpumps.com/
http://store.summitr...mp;autoview=sku
http://www.milodon.c...water-pumps.asp
It's an afternoon job, no big deal but you'll want to keep track of which bolts went where because you'll have 4 or 5 different length bolts once you get them all out.
You might also want to ck the condition of the fan clutch while you have it out, if it's leaking fluid it's on it's way out. Replacement clutch's are pretty cheap and if you don't spend much time fording streams & such you can always go with a direct drive. Upgrading to a flex-fan is another option as well.
If you're in the mood for upgrades & replacing your power steering pump anyways then maybe consider bumping up to a Saginaw pump from an E250. The Saginaw pump is much more robust than the standard Ford pump.
Dave
People who say it can't be done should not interrupt the person doing it.
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Looking for 78/79 parts, please let me know if you have one you're parting out.
People who say it can't be done should not interrupt the person doing it.
84 Mustang GT (Great car to lose your license with, I recommend it for those trying to do so)
74 Ranchero (429, c6, Currie enterprises 9" w/Mickey Thompson cheater slicks, 1970 Torino shaker hood scoop)
82 Bronco (Canadian truck, kilometer speedo, dual batteries, hi-output heater, dual factory block heaters/etc)
78 Bronco (400, 33" Fun Countries, fastback softtop)
79 Bronco (460, 36" Ground Hawgs, frame-off rebuild)
84 Bronco (bone-stock beater)
73 Bronco (I only had it 2 wks before flipping & crushing it.)
76 F-350 (390, 40" Super Swampers, ugly ugly ugly fire-engine green/yellow cab w/faded purple bed)
78 Bronco (460, 38.5" Ground Hawgs, Dana 60's, boxed frame, frame-off rebuild)
86 Bronco (only truck I've ever had fall thru the ice & just plain disappear. no end of hassles from the ins. co.)
91 Bronco (25th anniversary edition, red w/grey leather everything interior, 31x11.5's)
88 Bronco (33x12.5's)
79 Bronco (Current project, 4" lift w/weenie little pizza cutters)
Looking for 78/79 parts, please let me know if you have one you're parting out.
#5
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Posted 08 April 2009 - 03:14 PM
a good trick for the water pump bolts, trace the new gasket onto a piece of card board. Punch out the holes, then as you remove the bolts place them in the corresponding hole in the cardboard.
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460 C6 D60 front, 10.25 rear 4.10 gears
3 inch body lift, 4.5 inch lift from 1 ton swap.
Lund Moonvisor
Korupt Kittens antenna dancer.
93 F350 4door 4wd 7.3 diesel huge beast of a truck
84 F150 351 H.O. C6 2wd (the parts getter)
'03 Expedition 5.4
BFG All Terrains
Always updating so check back heres a link to my superford.org
Superford.org
My Gallery
#6
- Duck Tape L'fixer :)
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Posted 09 April 2009 - 06:50 PM
My friend and i did his water pump on his 90 bronco with the 351w last summer. It wasnt to bad EXCEPT for there was one bolt we had a hell of a time gettin out. Those bolts are threaded deep into the block. We had to heat it and use one of those sockets with special teeth to get it out! Just my experience anyway.
1986 Bronco
5.8L bored 30 over
True dual exhaust w/ flowmasters & hooker headers
MSD Ignition
Rancho 4" lift
35" BFG's
4" X 14" K&N air filter
5.8L bored 30 over
True dual exhaust w/ flowmasters & hooker headers
MSD Ignition
Rancho 4" lift
35" BFG's
4" X 14" K&N air filter
#7
- Bronco Pimp
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Posted 10 April 2009 - 07:46 AM
be careful taking the water pump bolts out. i've had a few snap on me and it's not fun when they are stuck in the block. it's really not that bad of a job like everyone is saying, just one of those take your time jobs and you'll be fine.
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#8
- Bronco Maniac
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Posted 16 April 2009 - 06:07 AM
Thanks for all the advice, I have thought of upgrading to the flex fan and yeah I think I will go with a saginaw pump too. I will have to wait until I get back from Iraq again, then get started on my Bronco again. Thanks
#9
- Bronco Maniac
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Posted 16 April 2009 - 07:52 AM
also if your power steering pump is getting noisy its not much more work to change that while you're doing the water pump
91' Silver Anniversary Bronco
351W
tremec RTS overdrive (from 83 F150)
NP 208 (from same 150)
Will need help swapping rear axle to 9"
Just about ready for paint.
351W
tremec RTS overdrive (from 83 F150)
NP 208 (from same 150)
Will need help swapping rear axle to 9"
Just about ready for paint.
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