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#1 |
Registered User
Join Date: Apr 2011
Location: greenville sc
Posts: 558
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first water pump change, question
Ok, changing out the water pump in my 1987 silver ado v10/k10 350. I have the original removed ready to install the new pump.
Question is with the four bolts that bolt the pump to the block, do they enter water jackets and need thread sealant? if so is that the case for all of them? what sealant is best regular thread sealant or do I need blue rtv? thanks guys |
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#2 |
Registered User
Join Date: Jun 2012
Location: Minnesota
Posts: 509
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Re: first water pump change, question
Yea, they all are open to the water jackets, you have to use sealant. I've always used pipe thread goop, gob it on the threads of the bolts and screw em in.
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#3 |
Registered User
Join Date: Oct 2014
Location: Spearfish South Dakota
Posts: 407
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Re: first water pump change, question
There 1 that is lower on drivers side but putting some sealant all all is ok to make sure. Its easy enough to check for future projects blow air in the hole.
__________________
83 c10 long Box Daily Driver 90 Jimmy parked 98 Road King/ 06 Road Glide In memorium 63 impala SS/ 65 Chevy Panel 65 GMC Short Box/ 68 Camero |
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#4 |
Registered User
Join Date: Jan 2009
Location: Calgary, AB
Posts: 1,181
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Re: first water pump change, question
Permatex thread sealant all 4 bolts then just do em up.
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#5 |
Registered User
Join Date: Dec 2007
Location: Kimberley, BC, Canada
Posts: 799
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Re: first water pump change, question
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Greg 64 GMC Suburban - 283, NV3500, 14 bolt 77 C10 swb - 292, SM465, 12 bolt |
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#6 |
Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,188
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Re: first water pump change, question
Oops -I did not use thread sealant on the bolts when I changed mine. I don't see leaks - what does that mean? I did not see evidence of thread sealant on the bolts when I changed mine - it looked like a factory GM pump. Should I drain the coolant and remove the bolts, one by one, and add sealant to the bolts? If I do that, do I have to leave the coolant out of the engine for a day before refilling with coolant? If so, what type of sealant should I use?
Last edited by tucsonjwt; 04-15-2015 at 09:04 AM. |
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#7 | |
Registered User
Join Date: Jan 2009
Location: Calgary, AB
Posts: 1,181
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Re: first water pump change, question
Quote:
It may not happen right away as the engine isn't under pressure. |
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#8 |
Registered User
Join Date: Apr 2011
Location: greenville sc
Posts: 558
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Re: first water pump change, question
I put permatex high temp sealant it's WHITE was this was you was talking about? it's just regular ole sealant NOT rtv which I hate using I view rtv is a billy bob way to seal things up. for future reference was the high temp needed? or the reg white tube with blue writing on it be fine? I figured to be safe why not but curious.
GUYS.... let the gasket do what the dang gasket is meant for no rtv is needed on gaskets!!!! I hate seeing passed owners of my vehicles using that crap. |
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#9 |
Registered User
Join Date: Oct 2014
Location: Spearfish South Dakota
Posts: 407
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Re: first water pump change, question
Made for a reason.
__________________
83 c10 long Box Daily Driver 90 Jimmy parked 98 Road King/ 06 Road Glide In memorium 63 impala SS/ 65 Chevy Panel 65 GMC Short Box/ 68 Camero |
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