water pump leaking?
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Elder User
Joined: Dec 2006
Posts: 715
Likes: 0
From: germantown, WI
water pump leaking?
everytime i drive my truck ill park it in the drive and awhile later i notice a puddle of antifreeze under my truck. there is a radiator hose that it drips off of. im wondering if this is my pump on the fritz or do i have a leak somewhere else? i tried to trace it up the radiator hose and its coming somewhere around the clamp any ideas fellas?
Senior User
Joined: Feb 2008
Posts: 163
Likes: 0
From: Zeeland, MI
I have the very same issue with my truck right now... I looked at it last night, it is dripping off the hose, but coming from the "neck" or flange that is bolted to the water pump. I checked the bolts, but they were tight. Does any one know the size or part number for the seal/o-ring under that flange?
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Hotshot
Joined: Feb 2007
Posts: 10,499
Likes: 10
From: Sterling Heights,Mi
Mine was exactly what Ray listed, but two months later, I had to replace the pump because it started leaking through the weeping hole.
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Cargo Master
Joined: Jun 2003
Posts: 3,292
Likes: 6
From: Ardenvoir, Washington
In case you have to replace the pump, here is a link to change it..(includes P/N's for o rings, etc...)
Diesel-Central.com the technical source for Diesel Truck information, Truck Pulling, and Drag Racing
Diesel-Central.com the technical source for Diesel Truck information, Truck Pulling, and Drag Racing
Laughing Gas
Joined: Mar 2008
Posts: 967
Likes: 7
From: coquitlam,BC
If you are using the stock hose clamps replace them with SS clamps, the ones you can actually tighten. It seems as soon as you disturb the stock clamps they will never seal properly again. Roy
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Elder User
Joined: Dec 2006
Posts: 715
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From: germantown, WI
thanks everyone for the reponses i crawled under the truck and it does seem like its leaking from my lower neck and it only leaks when its off like Travis's does that mean its just my o-ring leaking on my lower neck?
Lead Driver
Joined: May 2007
Posts: 5,613
Likes: 9
From: Flagstaff, Arizona
Bob.....mine was the weep-hole. I guess the pump would bleed off the pressure thru it once the engine was shutoff. I replaced the water pump, and no leaks since. Hopefully yours is only the hose/O-ring
Senior User
Joined: Feb 2008
Posts: 163
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From: Zeeland, MI
Where is this "weep hole" located?...other than on the water pump.....I'm pretty certin mine is only dripping when the truck is parked, as the coolant is only dripping down the hose, and not blown back on the engine...Is there any way to clear the weep hole?....without replacing the whole water pump?...K, thanks
Cargo Master
Joined: Jun 2003
Posts: 3,292
Likes: 6
From: Ardenvoir, Washington
The weep hole in on the bottom side of the pump housing, just behind the pulley.. The hole is just to let the coolant escape if the bearing goes bad and the coolant goes past the bearing seal.. The weep hole is not a repairable item.. If you are loosing coolant from the weep hole it is time to change the pump..