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Water Pump Torque Specs Please

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Hi Loren,

I read the great DIY posts and video on the water pump replacement and will need to do it.

I could not find the torque specs.

Do you know the torque specs for the various bolts?


the 7 (10mm) water pump bolts

engine support bolts (15mm)

exhaust catalytic converter bracket bolts (13 mm)

An interesting side note: my 2003 C-2 with a reman engine built around 5/2006 uses external torx bolts for the 7 (10mm E-torx) bolts securing the water pump and another 10mm E-torx on the engine carrier bracket.



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Actually Robin wrote that and allowed me to post it here.

7.5 ftlb. (10 Nm) for the water pump

34 ftlb. (46 Nm) for the engine carrier to engine

17 ftlb. (23 Nm) for cat bracket

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Thanks, Loren!

One more question please.

I also plan to replace some water hoses. I noticed the big one on the right/passenger side near the muffler goes from below the engine and up to the upper side into a metal bracket.

Is that hose a one-piece unit with the metal bracket or does it somehow slip into the metal bracket and gets secured by that wire clip?



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I installed the water pump and a small elbow hose. It's working great. Thanks for the tips and specs, Loren.

I wanted to change the water hose #23, but I could not get the old #23 hose off where it connects to the hard alumimum pipe. It is press-fitted and secured by a C-clamp. I was able to take off the C-clamp but was unable pull the hose off.

Any hints or suggestions? Special tools needed?

Hose #23 is on the right/passenger rear section of the engine that bends around the right motor mount.



Edited by jeneric996

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