2004 Duramax water pump replacemant... - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 11-13-2012, 01:46 PM   eBay Motors  #11 (permalink)
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When I did mine I just removed the 5 fasteners holding the fan/clutch completely. Gotta have small fingers but makes a lot more room. Don't forget to unplug the wire that goes through there though


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Old 11-14-2012, 04:36 AM   eBay Motors  #12 (permalink)
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i used a standard holder that works on the fords, ground some small bolts to fit the holes and put the hooks of the holder on that and it work great and i have the wrench that fit the nut and didnt have an air hammer at the shop so i had to imporvise
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Old 11-14-2012, 06:44 AM   eBay Motors  #13 (permalink)
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GM Water Pump 4 Pin Fan Clutch Pulley Holding Tool SCH61500B Brand New | eBay


Thats the tool to have. Does both 01-05 fan hubs, and 06+ fan hubs. I have it and it works perfectly.
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Old 11-14-2012, 07:25 AM   eBay Motors  #14 (permalink)
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You can take the crank bolt out with a breaker bar wedged against the p/s gear box and use the starter to bump it loose, not for the faint of heart but it works well. just be sure and put a piece of cardboard on radiator in case it flips off. other option is raise the radiator high enough and put a block under it to get an impact under it...dont need to take lines off
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Old 11-20-2012, 04:36 AM   eBay Motors  #15 (permalink)
 
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Well I was busy for a few days but I got back to the garage last night ans finaly got the water pump off. I had to remove the power steering pump to do so, but hey its off. God I love the 7.3 porerstroke more every time I have to work on a chevy or a dodge, they are simple and things are in the correct place on them such as the waterpump!
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Old 11-20-2012, 04:45 AM   eBay Motors  #16 (permalink)
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You should not of had to take the P/S pump off but o well, you got the job done so I guess all is well.
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Old 11-20-2012, 05:06 AM   eBay Motors  #17 (permalink)
 
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You should not of had to take the P/S pump off but o well, you got the job done so I guess all is well.
Could not get those 2 taps on the side pipe off....
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