Chevy/GMC Truck and Duramax Turbo Diesel Forum Discussion of General Topics related to All Chevy and GMC Trucks as well as the Diesels in them

LB7 Water Pump Replacement DIY

Old Dec 20, 2009 | 08:47 AM
  #31  
crew991's Avatar
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From: Mt Juliet,TN
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i was just wondering why you have to take the harmonic balancer off to do this i am fixin to do one and i don't have the socket to remove it
 
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Old Dec 20, 2009 | 10:17 AM
  #32  
DazedandConfused's Avatar
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From: Walton, Ky
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There is a bolt behind the balancer to get the water pump housing off.
 
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Old Dec 24, 2009 | 08:45 AM
  #33  
Strae 1's Avatar
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An awsum right up I am so not looking forward to doing this job, but after all the horror stories Ive gotten your right up makes it seem like a regular day at work. Long but not insurmountable. Thank you, now if I could ony find a way to get paid to work on my own truck.
 
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Old Jun 2, 2010 | 01:51 AM
  #34  
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From: California
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Thank you for the time you took to do pics and write up. It's the first info I could find after looking for three days. I couldn't even find a book at the auto parts store, but they'll sell you a book at the dealer for about $225.00 Anyway thanks again, big help. I'm not sure what nut is going to break first trying to get the balancer off. P.S. I got a quote of $1,450.00 to do the job. "No way am I ever going to pay that to put a water pump on." Almost rethinking that decision!!! not.
 

Last edited by Robert Fiedler; Jun 2, 2010 at 02:01 AM.
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Old Jun 10, 2010 | 07:02 AM
  #35  
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From: grand rapids, mn
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thanks for info and pics !!! would invest in platform ladder to work on truck!! have seen these online somewhere!!oh yeah and someone to stand on it ...lower back injury says i won't be able... but i'm a good supervisor !!
 
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Old Jun 10, 2010 | 05:31 PM
  #36  
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From: California
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I finished the pump. Wow, what an ordeal to put a water pump on. Definitely easier on the older trucks and cars. I can hardly wait to fix something else. It is kind of fun to conquer the unknown!!! I think if I had to do it again, I could easily get it done in half the time. And you guys who claim they got it done in three hours are full of bad stuff. The tech book estimates 8 to 9 hours. Anyway, Love my truck, it's awesome.
 
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Old Jul 17, 2010 | 12:46 AM
  #37  
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Thanks for the awsome post I join because of it. only one i could find that actually broke it down enough that i think i can get it done.
 
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Old Sep 6, 2010 | 06:44 PM
  #38  
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Im glad i found this cause i have to attempt this tomorrow. now is there any other tricks/tips/mods that we should do or other things we should look for while everything is out of the way? Like signs of wear on (fill in the blank) etc..... thanks. I have to say this forum is the most helpful. And good write up.
 
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Old Sep 7, 2010 | 06:09 PM
  #39  
2500HeavyDuty's Avatar
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wear on the inside of the pump housing is normal
 
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Old Sep 10, 2010 | 02:49 PM
  #40  
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So would it be wise to change the thermostat in the mist of all this?
 
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