How good are our waterpumps water pump?
10-24-06, 12:49 AM
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How good are our waterpumps water pump?
After 4 wiring harnesses I have finally sourced one from a member here that is worthy enough of being installed on my car. I was looking to purchase a new one from mazda but after close to $2,000 for the harness even with a discount from my friend who works there I decided to pass up on that and try and find a useable used one. Well now I am going through the upper half of my car again ready to install it back in, hoping my electronics will work properly nowl
Now here is my question, after my rebuild I had some overheating issues (which have yet to be ironed out) and some fuel issues (the old wiring harness was the problem). My motor only has about 1 mile since rebuild, and before I start putting everything back together I need to rule out my waterpump as being a overheating problem as it is buried underneath everything. I wanted to know if our waterpumps are just like any other waterpump where the indicator of bad is that it will leak through a hole on the bottom? If not how can tell if my waterpump is bad. I hadn't replaced it during the rebuild assuming it was still good. I did have some pinhole leaks that I had sourced after the most recent overheating, would these pinhole leaks be enough to cause boil over. My next possible suspect is my aftermarket thermostat, as I have read some do not include a bypass in them, would that be a problem? Well thanks alot for any help and input you have it is greatly appreciated,
Thanks,
Lorenzo
Now here is my question, after my rebuild I had some overheating issues (which have yet to be ironed out) and some fuel issues (the old wiring harness was the problem). My motor only has about 1 mile since rebuild, and before I start putting everything back together I need to rule out my waterpump as being a overheating problem as it is buried underneath everything. I wanted to know if our waterpumps are just like any other waterpump where the indicator of bad is that it will leak through a hole on the bottom? If not how can tell if my waterpump is bad. I hadn't replaced it during the rebuild assuming it was still good. I did have some pinhole leaks that I had sourced after the most recent overheating, would these pinhole leaks be enough to cause boil over. My next possible suspect is my aftermarket thermostat, as I have read some do not include a bypass in them, would that be a problem? Well thanks alot for any help and input you have it is greatly appreciated,
Thanks,
Lorenzo
10-24-06, 12:53 AM
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Originally Posted by run_rabbit_run
how much water can our waterpumps pump, if our pumps could pump water?
The reason I put waterpumps water pump, is because people can spell waterpumps two different ways so I figured I would save the next person who was looking for similiar information the hassle of searching waterpumps both ways. Wood chuck.
Last edited by lopedl; 10-24-06 at 12:56 AM.
10-24-06, 01:11 AM
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You can get a brand new harness from Malloy Mazda for about $700....
A water pump pretty much either works or it doesn't (usually leaks). Sometimes, the impellers can corrode away. They are really not that expensive, so I would just replace it if it really is that old.
A water pump pretty much either works or it doesn't (usually leaks). Sometimes, the impellers can corrode away. They are really not that expensive, so I would just replace it if it really is that old.
10-24-06, 01:19 AM
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I would like to replace it while I have the top half off, but I can't find one locally, seems they are all sold out, my luck. But it seemed to look good not too corroded when I pulled it off during the rebuild and there is no leaks coming from it. I am just trying to save myself some trouble, both ways, I really don't feel like tearing it down later on, but I don't want to replace something that is okay especially since it may be weeks away from getting it. The anxiety is making me sick.
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10-24-06, 01:53 AM
#8
I don't know much about the water pump, but I highly recommend replacing your thermostat. The OEM t-stat is less than $20, and don't forget to buy a new gasket. I also suggest drilling a few small holes (1/8" or so) around the outside of the thermostat, so you'll have less coolant bypassing the radiator.
-s-
-s-
Last edited by scotty305; 10-24-06 at 01:57 AM.
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