Re: odyssey rear window washer fluid not spraying where...
The reservoir is the same one for the front washers. There are two electric pumps on the base of the reservoir (one for front and one for rear). You probably need a new pump. It is accessible behind the panel in front of the front right wheel.
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Probably not since there is so little alcohol in the washer fluid. Usually a little soap and some alcohol with water is all that is in the washer fluid. If it were me though I would drain and refill the system. There could be a reaction that breaks down the coolant. On German cars I have seen the coolant turn to a gel when you mix types of coolant. Best to be safe even though I believe there is little chance of a problem
I'm assuming you can hear the pump motor run, the resevior has washer fluid in it, but there's no spray... correct? Then the problem is most likely a clogged pump inlet screen. You will need to access this pump/resevior from the right hand side wheel well (liner moved out of the way) and disconnect the wiring connector at the pump & the rubber hose at the pump housing. This particular pump is 'snapped' in place with plastic holders as part of the resevior housing and a rubber grommet where the inlet tube of the pump is inside the housing. Once you remove the pump, the inlet screen can be removed & cleaned. You'll also want to flush out the reseviore to clean it. Refill with fresh water & W.W. solvent after you reinstall the pump after cleaning the screen. Reconnect the hose and wiring connector to the pump. before refilling.
I presume you've check the fluid level in the washer resevior? This particular problem is common. The inlet opening to the pump is clogged by slime. We usually 'unclog' the obstruction using compressed air. The resevior (tank) needs to be removed and flushed/cleaned out. It can be accessed under the RH wheel well liner. There are 2 10mm bolts fastening the tank to the vehicle. remove those bolts. Then disconnect the hoses (one for front, the other for rear wiper/wash). Disconnect the electrical connector to the pump. You can now remove the resevior (tank) from the vehicle and flush/clean it.
Sometimes they plug up or somewhere along the line it gets pinched. Take the line off of the nozzle in the back and try it out to see if you have good fluid flow with the hose removed. If you have good fluid flow your nozzle is likely plugged up.
I have the same problem with my 2000 chevy blazer as skornec had posted. I kinda already figured the hose or spray nozzle was plugged. But the problem with checking those items is that I don't know where the hose is located to the back wiper. And the only thing that could be I see that could be the spray nozzle doesn't even have holes that washer fluid could spray from. So basically I just would LOVE if someone could please inform this lame brain of where to find the spray nozzle on the rear window and where in the interior of my blazer does the washer hose run.