Dodge Cummins Diesel Forum

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-   -   Water Pump Replaced (https://www.cumminsforum.com/forum/6-7l-tech-articles/287415-water-pump-replaced.html)

Onelongshot 06-08-2010 12:28 AM

Water Pump Replaced
 
I noticed last week that I had a small 6" wet circle under the front of the truck. Looked under the truck and passenger side front of the oil pan is wet with coolant. Traced it back to the water pump weephole. Called dealership they wanted 172 plus tax for a new water pump. I called the local Cummins dealer and she sent me one FedEx to my house this morning straight from the factory for 110 plus tax. I got it put in and all hooked up and guess what no more leaks.
http://i26.photobucket.com/albums/c1.../waterpump.jpg
Only lost a little bit of coolant also.
PART NUMBER IS 2881804 FOR THE 6.7 WATER PUMP REPLACEMENT KIT. I WAS ON THE PHONE WITH CUMMINS FOR EVER BEFORE WE WERE ABLE TO LOCATE IT. SORRY FOR NOT ADDING IT BEFORE.


Andy

-lenny- 06-08-2010 12:32 AM

How many miles on the stocker Andy?

Onelongshot 06-08-2010 12:36 AM

41000 miles on the stocker. I caught it just as it started leaking. It was losing about an inch of coolant in the resivor a day. So I can see where someone could get into trouble real fast.
andy

Rockwerx 06-08-2010 04:47 AM

Was it a hard job to replace the pump?

aceracer24 06-08-2010 10:22 AM

Quote:

Originally Posted by Rockwerx (Post 3052704)
Was it a hard job to replace the pump?

The pump is easy to fix. The one on my 04 went out at about 90k miles. I will however mention that I had to replace the damn thing 3 times due to inferior parts from both Autozone and Checker. Neither sealed. I ended up going to Pep Boys for the last replacement and the quality looked better and sealed perfectly. Genuine would have obviously been better but I am cheap.

Onelongshot 06-08-2010 10:43 AM

The one the dealer put on for you was original cummins. Or it should have been. That is why they are so high. They buy the parts from cummins and then mark them up and resell them to us.
The one from genoes is not orignial to the 6.7, but is probably still cummins. That is a 5.9 water pump and actually pumps less water than the 6.7 water pump does. Put the two side by side and you will see the difference. That is what sealed the deal for me.
Andy

Onelongshot 06-08-2010 11:01 AM

Quote:

Originally Posted by Rockwerx (Post 3052704)
Was it a hard job to replace the pump?

Nope it is real easy.
Tools needed.
Large catch pan.
allen wrenches
small socket set metric
1/2" drive ratchet
  • First start the truck and turn your heater on. Run truck for about 1 min. and shut truck off without touching the heater controls.
  • Then put the large catch pan under the drivers side of the radiator and open the drain valve on the radiator. You have to keep turning until the valve unscrews out of the radiotor a little.
  • Then take the drain plug out of the engine air bleed located above the exhaust manifold by the egr cooler.(if still there:hehe:)
  • Then open the radiator cap. While waiting for all the coolant to drain out continue with the next steps.
  • Remove your stock air box. You will have to unplug the two sensors on the air box.
  • Then use the 1/2" drive ratchet in the belt tensioner to loosen the belt enough to get it off of the alternator.
  • Then you get access to the water pump.
  • I was able to reach in and use a 1/4" drive ratchet to remove the two bolts holding it in with no problems.
  • I then reinstalled the new water pump and put the truck back together.
If you have any questions please let me know. Here are some pictures for reference.
http://i26.photobucket.com/albums/c1...tureairbox.jpg
http://i26.photobucket.com/albums/c1...eltdiagram.jpg
http://i26.photobucket.com/albums/c1...cturebelt2.gif
http://i26.photobucket.com/albums/c1...ewaterpump.jpg
http://i26.photobucket.com/albums/c1...waterpump2.jpg

Onelongshot 06-08-2010 11:03 AM

Old Water Pump Pictures
 

Broke Down 06-08-2010 02:03 PM

Quote:

Originally Posted by Onelongshot (Post 3052285)
41000 miles on the stocker.

seems low mileage. i got 245,000 out of mine before it took a crap :thumbsup:

at least they are fairly to get to, could have been a dmax :rof




Onelongshot 06-08-2010 02:15 PM

Quote:

Originally Posted by Broke Down (Post 3053577)
seems low mileage. i got 245,000 out of mine before it took a crap :thumbsup:

at least they are fairly to get to, could have been a dmax :rof

It seems like the early 08 and 07 have a short run on the first water pump. Not a big deal, but just one more thing.
andy

Broke Down 06-08-2010 02:18 PM

Quote:

Originally Posted by Onelongshot (Post 3053618)
It seems like the early 08 and 07 have a short run on the first water pump. Not a big deal, but just one more thing.
andy

good to know :thumbsup:




ku4ns 06-08-2010 05:04 PM

My 6.7 is at the dealership since Thursday for a water leak (17,000 miles). I called Friday and they said it wasn't leaking so I told them to keep it over the weekend. Monday it had a few drops under it but they can't tell from where. The dealership is going to add some liquid that appears under UV light to try to pinpoint. Seems like a lot of work to get around changing the water pump. Small water puddle near the front of the oil pan on the passenger side. I'll post the final result. John


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