Having problems with your 2003 BMW 330 ?

Windscreen washer leaking under drivers side since hard frost and jets not operating but motor sounds ok, how easy to check / replace water resevoir

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

Procedure to change the windshield washer tank or pump on an E46.
\012Tools needed: 10mm spanner (in toolkit), small-medium flat blade screwdriver
\012Undo the 10mm nut, highlighted in the red circle. This is the only \012fastener holding down the washer tank. Lift the tank up about 4", \012allowing you to unclip the black plastic heatshield around the washer \012pump. This is where you need the screwdriver, to lift the securing tab \012from the washer tank (yellow circle). You can actually pull out the \012complete washer pump from the tank. Just gently pull up, it is a \012friction fit.
\012Now unclip the washer level sensor plug (green\012 circle). This clip is a little difficult to figure out. I pulled it \012hard and it came off. Taking a closer look at it once it was off, I \012couldn't quite see how to unclip it from its securing catch.
\012At this point you have removed the washer tank. The two tabs at the \012bottom of the tank fit into recesses in the body work, in order to \012secure the tank. There is a filter screen in the tank, where the washer \012pump plugs into the tank (blue circle). Just pry this up with a \012screwdriver to remove it. I had bought a new one, just in case. You can \012see the fluid level sensor socket on the left side of the tank in this \012pic.
\012Now unclip the pump connector from the pump. Pinch the tab at the top of\012 the connector. This will unclip the connector from the securing tab. \012Pull out the water hose from the nozzle on the pump
\012Replace the pump filter screen into the tank, if necessary. Plug in the \012new washer pump into the filter screen. Connect the water hose back onto\012 the pump.
\012Position the washer tank into its approximate location and clip the sensor for the fluid level back into its socket on the tank.
\012Secure the heatshield back onto the tank.
\012Now position the washer tank into its secured position and fill with a \012little water, in order to test the pump out. Fasten the 10mm screw back \012into the plug.
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Repair Help & Product Troubleshooting for 2003 BMW 330

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