Water pump
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Tuned
Joined: Jan 2004
Posts: 321
Likes: 2
From: Las Vegas, NV
Water pump
I bought an '05 F350 with V10 a couple weeks ago. I have a few issues since and I think I have figured out what I need to do. I seems the water pump was on the way out and the previous owner probably ran it out of coolant and over heated it. It was running great when I got it on the road and I drove it about 50 miles. On the second day out it started steaming out the tail pipe and ran way hot. I shut it down immediately and had it hauled home. At home I added about 2 gallons of coolant and started it up. More steam. I figured It was a blown head gasket. I called the only mechanic I know in my new home town of Las Vegas and he suggested I try some Blue Devil Head gasket sealer. I followed the instructions and there is no more steam out the tail pipe or overheating. What I did notice is that I'm loosing coolant from around the water pump. The coolant is brown and looks like the PO tried Bars Leak to stop the leak long enough to keep it running and sell it. I have to flush the cooling system and replace the water pump. I'm a pretty decent shade tree mechanic and I have a pretty good tool collection. How big and tricky a job is it to replace the water pump? It looks like it not that hard to get at, but I have read that a special tool is handy.
Thanks in advance,
Thanks in advance,
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
There's nothing hard about it - I did a 4.6L pump a few years back, same thing. The only difference would be the clutch fan.
Keeping the pump from rotating while you remove the pully bolts/nuts is the trick.
I find that leaving the belt on, and loosening the bolts before you remove the belt makes it easy. Just watch out for seized bolts on the water pump itself.
Keeping the pump from rotating while you remove the pully bolts/nuts is the trick.
I find that leaving the belt on, and loosening the bolts before you remove the belt makes it easy. Just watch out for seized bolts on the water pump itself.
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Tuned
Joined: Jan 2004
Posts: 321
Likes: 2
From: Las Vegas, NV
Done! Much easier than expected. "Rented" the fan clutch tool from O'Reilly, not sure if I really needed it. That is a BMF nut on the clutch though. I used a pipe wrench on it. No more awful grinding noise on cold start up and should be no more leaks. I used two wrenches on the pulley bolts so I could hold one to break free the other. As I worked around all of them were loose enough to back out.
It sure is nice to work on a 12 year old truck that has lived in Southern Nevada all its life after a life time of fighting with rusted NY vehicles.
It sure is nice to work on a 12 year old truck that has lived in Southern Nevada all its life after a life time of fighting with rusted NY vehicles.
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