What is the least messy way to remove the H2O pump with regard to coolant? If I remember correctly, quite a bit will come out the openings where the pump attaches to the block.
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Re: '66 small block H2O pump removal
I just replaced the pump on my '70, and what I did was I attached my wife's cheap garden hose with an end cut off to the heater hose fitting on the pump, put on a hose clamp, and used my little drill powered pump I got at Sears years ago. I popped off the heater return line on the manifold to let it have air, and hooked up my drill to the pump, and it inhaled the coolant to a level where it was below the water pump when I stopped. It dried the expansion tank & everything, and took about 10 minutes or so. I put the coolant in a clean 5 gal. bucket and after replacing the pump, I just poured it back into the expansion tank with the heater return line still off to let the air escape. Worked great, and didn't spill a drop until I went to refill the expansion tank....kinda slipped a little..... -
Re: '66 small block H2O pump removal
Do 66's have a petcock on the radiator? That usually works pretty well.
TerryComment
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Re: '66 small block H2O pump removal
If you don't have a petcock on the radiator, maybe you have one on the block instead. If the answer is no to both, then I would loosen up the lower radiator hose and pull it free just enough to get a slow dribble running out into a catch pan. I'd drain it all off and then pull the hose the rest of the way off. Then I'd rinse and dry the hose connection to play it safe.
Keep some clean and dry rags up against the block under the pump and a jug of clear water available in case coolant runs onto the block. This way you can rinse the glycol off before it eats into the paint.
Hope you have a petcock Rob,
ChuckComment
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Re: '66 small block H2O pump removal
Jeremy...
Did you not have to drain the radiator separately with your method?Comment
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Re: '66 small block H2O pump removal
If you just drain the radiator, it won't drain down low enough to keep from spilling coolant. You have to pull the bottom hose off the water pump or pull a block plug to get enough coolant out to keep from making a mess.Comment
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Re: '66 small block H2O pump removal
Nope...I guess the level of the radiator came down with the level in the block and hoses & such....I just used the pump until it ran dry which got the coolant level below the heater hose outlet, and pulled the pump....OK, a couple of residual drops of coolant came out, but that was it. I bought the pump to put calcium chloride into my tractor's tires, and it works great, and is cheap. Craftsman has it for prolly around $20.00 or so, I would guess.Comment
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