Question about Honda Wp20x Wp30x Trash Water Pump Screen Strainer 2.5" Nipple
This water pump hasn't been ran since this time last year. At that time it was serviced fully (just in time) as it had sat for quite some time prior as it hadn't been needed. In CentralPA and its being used by my 'elderly' father in his basement. There is no reference to this issue in the manual.
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Posted on Jan 02, 2017
From your posting, I assume you have removed the splash cap and the nylon bypass valve cover. Connect the water supply to the pump and connect the high pressure hose and wand to the pump outlet. Wad up a small towel and place it over the bypass valve opening to catch the valve insert when it pops out. With the engine throttle closed, pull the starter cord several times to see it the valve insert will pop out. If it doesn't come out after two or three pulls, set the throttle to low and start the engine. I have performed this procedure a number of times and the valve insert always pops out. There is no real danger of the valve parts getting seriously airborn since the actual pump output volume is very low (2.5 Gal/min).
Posted on May 23, 2009
SOURCE: 2004 honda civic overheats
You might have a sticking thermostat. If it's sticking shut, it won't open when needed and the engine will overheat. Even though the water in the radiator is not hot then, the water in the block of the engine is boiling.
After that overflow, the cooling system was underfilled, so when the thermostat finally did open, it had plenty of room to refill, which is what you saw when the water got "suddenly sucked in".
My recommendation is to replace the thermostat (and gasket), because as a point of diagnosis, it is a relatively cheap part but can have terribly inconvenient consequences when malfunctioning. If you're handy, get a Haynes or Chilton manual from the auto parts store and do it yourself.
Also, the radiator cap is not good to mess with when the engine is hot. Doing as you did by opening it while overheated upsets the balance between the coolant in the block and radiator. There's a small rubber hose from the top corner of the radiator to a plastic (probably translucent) overflow tank on one side of your engine compartment. Under normal circumstances, you should check the coolant level there, as it exists to keep the system in balance. Note that I said "normal" - which means anytime it hasn't overheated to the point of leaking out of the radiator cap or leaking elsewhere.
Posted on Jun 10, 2009
Remove and raise upper hose at thermostat end and remove lower rad hose.
Fill rad with a hose and watch for flow from bottom rad hose and/ or bottom rad hose connecton.......water should fall though rad easily.
Honda rads are cheap.....any restriction....replace rad.
Remove thermostat....fill thermostat housing with hose and watch for water flow at bottom rad hose.
Remove heater hoses.......flush back and forth until a good flow is present "With heater control set to hot" if no or poor flow....replace heater core.
Stop leak can plug everything.
Also.......not likely causing over heating....but ....at your mileage,if you do not know if the timing belt has been changed.....CHANGE IT NOW!
Water pump is optional at this mileage.
Posted on Aug 24, 2009
Testimonial: "thank you for the very clear, step by step instructions for diagnose and remedy"
Remove the spark plug, this will rule out hydrostatic load on the engine. Try to pull it again. If it is still stuck, You will need to try to turn the pump.
Make sure there is engine oil too.
Posted on Nov 04, 2010
did any of you find one? i have just bought a SECOND HAND 2004 CRV but no sat nav manual - nothing on the net- any help appreciated.
Posted on Feb 06, 2011
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