Duramax Diesels Forum Truck of the Week
  #1  
Old 08-30-2016, 03:48 PM
manik manik is offline
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Default Need assistance

I need a bit of help figuring out what this leak is. I know it is coolant, but, from what I've seen on the old interweb, usually when a coolant pump leaks it's more towards the center of the engine, say net the harmonic balance. This is on the drivers side, above and behind where the lower radiator hose attaches. It appears to be some piping that runs to the rear of the engine. To where exactly, that has yet to be determined. The attachment point has what appears to be 2 studs in an aluminum housing that is obviously gasketed and attached to the pipe I mentioned earlier. No leaks anywhere else that I can find. Any assistance would be greatly appreciated.

Hope the pic helps.


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Old 08-30-2016, 05:14 PM
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IOWA LLY IOWA LLY is offline
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The area your describing sounds like typical water pump leak out the weep hole. And even if it is that pipe pictured you will have to remove the water pump housing from it anyway. So you will be replacing that gasket at the same time.

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Old 08-30-2016, 05:19 PM
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Water pump
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Old 08-30-2016, 05:58 PM
manik manik is offline
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That was what I thought. I appreciate the affirmation. Guess that'll get done this weekend.


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Old 08-30-2016, 06:06 PM
manik manik is offline
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So, what's the difficulty on this? Couple hours and a 6 pk??


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  #6  
Old 08-30-2016, 06:56 PM
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There's a nice write-up on here, search button should locate it for ya

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Old 08-30-2016, 07:08 PM
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Will do. Thanks ironmax.


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Old 08-30-2016, 10:40 PM
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The dealership charged me for 8 hrs to replace mine, on an LML. $1900
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Old 08-31-2016, 04:39 AM
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Here: http://www.dieselplace.com/forum/71-...-pictures.html

$1900 for a water pump?!? Geezus!
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"BBT" 2003 GMC CC/SB 4x4
12.14@111.15

"Flyin' Brick" 1999 Chevy 1500 RC/SB 2wd -- stalled out, no motivation
2014 Chevy Cruze Diesel -- the DD

Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

From mufflerguy on yb,
"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!"
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  #10  
Old 08-31-2016, 05:11 AM
manik manik is offline
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You've been had!! I have personally never replaced a coolant pump on a Duramax, but, I can spin a wrench and am not afraid to give it a shot!!
I've seen the cost of the pump from like $75 up to $200.


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