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Changing Your Windshield Washer Pump

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Diagnosis
The symptoms of needing to replace your windshield washer pump are quite simple. The washer tank will empty of the course of a few days. This will cause the light on your dash to keep lighting up, which is quite annoying. When you go to use the pump it will make a little noise and won't be very powerful. Since the pump is pretty cheap and is easy, I recommend changing it.

Difficulty
Changing your windshield washer pump is probably one of the easiest DIYs I've done yet. Since it had already leaked almost all of the coolant out I didn't even have to worry about draining it out. It only requires a wrench, a screwdriver, and a few minutes. This is definitely one you shouldn't pay someone to do.

Tools Needed
10mm Wrench
Small Flathead Screwdriver

Parts Needed
Windshield Washer Pump(BMW P# 67-12-8-362-154) $33
Windshield Washer Pump Gasket (BMW P# 61-66-7-006-063) $2

Instructions


Locate the washer tank

Locate the windshield washer tank and unbolt it
1. Locate the windshield washer tank on the passengers side of the engine bay and undo the 10mm bolt holding the tank down.

 


Unplug the pump connector


Disconnect the pump discharge

Unplug the windshield washer pump power connection and pump discharge
2. Locate the plug on the top of the windshield washer pump and remove it. It has a tab on the passengers side of the pump that you need to depress in order to remove the plug.
3. Once the plug is removed slide of the protective black cover.
4. Finally using a flathead screwdriver, pry off the rubber hose coming from the pump outlet. You are going to want to make sure that the tank is positioned so that the liquid will not leak out. Just move things around till it works. If you look at some of the later pictures you can see the way I did it. (I elected to keep the level sensor plugged in, but if you want to remove it to take the whole tank out, go for it.)

 


Remove the pump


Remove the gasket


A better look at what is going on

Remove the washer pump and gasket
5. Pull up on the pump and remove it.
6. Using the flathead screwdriver, pry up the old gasket and filter.

 


Get out the new pump


The old pump

Install the new pump and gasket
7. Take the new gasket and put some washer fluid on the sealing surface to ensure a good seal. Then install it.
8. Install the new pump. (Take a look at the old screen and pump versus the new one. It is obvious where the weep hole was leaking fluid; I guess it just happens)

 


Put everything back together


Finished product


Finished Product

Reconnect the pump and put it all back together
9. Reconnect the pump discharge snugly.
10. Reconnect the protective cover and pump connector.
11. Rebolt the 10mm bolt that holds down the washer tank. Ensure that the tank is properly seated so it won't move around while driving. (There are 2 plastic bumps on the bottom that rest in holes. This will make sense when you are doing it.)
12. Refill the washer tank with new fluid and test it out. Enjoy!

 

Conclusions

This is a simple do-it-yourself job and will stop your washer tank from leaking. After putting it all back together take a ride, refill your windshield washer tank, and wash your windshield a few times!

 

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