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K5 6.2l Waterpump Failure

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Bocheetus

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Joined
Jul 8, 2010
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Location
Sacramento
Well for awhile now, I've known my waterpump needed to be replaced, and well, I forgot about it when i took a good little trip out to the bay area(a couple weeks ago), and my Waterpump failed in Oakland. Towed home, blah blah blah.... Well now i gotta replace the pump. I originally wanted a shop to do it due to it being a HUGE pain in the Ass from what I have read. But i got Laid off a few days AFTER this all happened... So now i gotta watch my spending, AND get my truck running again.

MY questions to Ya'll is,
Good company(Or autoparts store) to buy a waterpump from?
What else am I gonna have to buy?
Anything else i should replace while I'm tearing it all down?
and
A Good guide just in case I get Frustrated with something?

Thank you,
Dylan
 
BUMP

I really need help with this... I've gotten screwed by buying some parts from different stores... I just wanna put a GOOD part in that'll last me a good while...
 
Sorry to hear about yer pump.
No real advice here.

But, we should go wheelin' sometime. (im in sac., too)
Maybe I could help ya wrench on yer rig, as well...

shout me a holler.
 
wish i could be more help myself, i think this is something im gonna have to do as well. used creek water to fill up my system after repairing a hole in the radiator one time. now the engine squeels, and the thermostat is stuck open.

didnt see if you were a full fledged member or not, if you have access to the diesel forum here, id post up a question there. In the mean time, ill post it and see if i get any hits, and let ya know.

course, you could ask a chevy or gmc dealership for an itemized estimate for the repair, and work off that parts list for all the little bits youll need.
 
The shop ive gone to for some minor problems ive had priced me 1400 for Radiator and water pump replacement, due to it takes 6-8 hours to replace... So many hours.... really ridiculous, so I'd rather do it myself... I'm not a full member yet. I gotta wait till i pick up another job.
 
The water pump is easy. Just time consuming. Go pick up a haynes or chilton manual and it will walk you trough it. Nothing hard about it.
 
Napa also carries a good water pump. You'll need to remove the alternator and the power steering pump to get the water pump and the backing plate it sits on off. When you get the pump off, shove a clean rag or two in there to keep the timing chain and injection pump stuff clean while you scrap the old gasket off.

When you install the new pump onto the backing plate, use a little bit of RTV with the gaskets to help ensure a good seal. Same with the gasket between the backing plate and timing chain housing. When you re install the two bolts that pass through the water pump, make sure you use thread sealant on the holes that are open to the water jackets. You'll know which ones they are when they spill coolant all over after you pull the bolts.

Again, make sure the gasket surfaces are clean, and be careful not to gouge the aluminum when you take the gaskets off. Pnumatic polishers work great. Do a final wipe down with some brake cleaner just before you put the new parts on.


Take you a couple hours if you've never done it before, definitely not a big deal and requires no special tools.
 
Russell said:
Napa also carries a good water pump. You'll need to remove the alternator and the power steering pump to get the water pump and the backing plate it sits on off. When you get the pump off, shove a clean rag or two in there to keep the timing chain and injection pump stuff clean while you scrap the old gasket off.

When you install the new pump onto the backing plate, use a little bit of RTV with the gaskets to help ensure a good seal. Same with the gasket between the backing plate and timing chain housing. When you re install the two bolts that pass through the water pump, make sure you use thread sealant on the holes that are open to the water jackets. You'll know which ones they are when they spill coolant all over after you pull the bolts.

Again, make sure the gasket surfaces are clean, and be careful not to gouge the aluminum when you take the gaskets off. Pnumatic polishers work great. Do a final wipe down with some brake cleaner just before you put the new parts on.


Take you a couple hours if you've never done it before, definitely not a big deal and requires no special tools.
Click to expand...

Thank you sir. Helps a lot. :D That's the kind info, and such i was looking for.
 
The pump will come with the gasket between the pump and plate. You'll also need the gasket between the plate and block. If you have A/C, it will have to come off too. I used the tacky copper gasket stuff to set the gaskets as you will need both hands to line the pump and plate up to the block.
 
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