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Duramax Water Pump? #5953959 09/30/15 12:55 PM
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redchevy Offline OP
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Anyone ever change a water pump on a duramax?

How bad is it? From what I hear its a beach.


It's hell eatin em live
Re: Duramax Water Pump? [Re: redchevy] #5954471 09/30/15 05:17 PM
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rogerh Offline
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It can be a chore. A special holding tool is very helpful to break the bolt
on the harmonic balancer it fits into the flywheel teeth to keep the crank from turning.
You will need other gaskets and o rings as well as the pump. as well as new thermostats.

Re: Duramax Water Pump? [Re: redchevy] #5954588 09/30/15 06:36 PM
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redchevy Offline OP
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D-max has 2 t-stats both have been changed already, whats the need to change them again?


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Re: Duramax Water Pump? [Re: redchevy] #5954672 09/30/15 07:22 PM
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rogerh Offline
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You should be fine then. there is is a pipe frome the water pump to
the bottom of therm hsg that will need new orings it can be tricky
getting it together without tearing them. Silacone spray helps.

Re: Duramax Water Pump? [Re: redchevy] #5954681 09/30/15 07:26 PM
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rogerh Offline
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+ 0.00 Thermostat 1.00 32.37 32.37 32.37 62.69 44748 MCS <none> 32.37 0.00
+ 0.00 New Water Pump 1.00 61.81 61.81 61.81 110.15 CP5098 MTC <none> 61.81 0.00
+ 0.00 SEAL, W P 1.00 2.16 2.16 2.16 0.00 94011602 <none> 2.16 0.00
+ 0.00 SEAL, W P 1.00 2.03 2.03 2.03 0.00 94011603 <none> 2.03 0.00
+
+
+ 0.00 GASKET, WATERPUMP, DURMAX 1.00 3.74 3.74 3.74 0.00 97188663 <none> 3.74 0.00

I use a Orielly wp and seals from gm I use wp gasket from gm because its metal

Re: Duramax Water Pump? [Re: redchevy] #5954728 09/30/15 07:52 PM
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rogerh Offline
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Tried to send pm, your box is full.

Re: Duramax Water Pump? [Re: redchevy] #5954844 09/30/15 08:54 PM
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JSims Offline
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What year model is the truck? The earlier years (01-05) were offered with and without the water pump housing. The later models only come with the housing and are quite a bit more expensive.

Re: Duramax Water Pump? [Re: rogerh] #5955972 10/01/15 03:08 PM
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redchevy Offline OP
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Originally Posted By: rogerh
Tried to send pm, your box is full.


Cleaned out


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Re: Duramax Water Pump? [Re: JSims] #5955973 10/01/15 03:09 PM
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redchevy Offline OP
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Originally Posted By: JSims
What year model is the truck? The earlier years (01-05) were offered with and without the water pump housing. The later models only come with the housing and are quite a bit more expensive.


Its a 2005

Thanks fellas


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