windsheild washer fluid warning
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1st Gear
Joined: Nov 2011
Posts: 48
From: Falun, Sweden
I had this problem too.
Issue 1: Headlight Washer pump rusted and leaking
Issue 2: Reservoir was cracked and leaking.
Replaced the washer pump. And repaired the bottle using JB Weld epoxy.
Epoxy did not fix the leak and is still leaking, the water stays to the level below the water sensor, causing the Washer Fluid warning to go off. With the annoying beep.
FIX: I might replace the bottle in the future, but to fix the warning/beep for now, I just used a 1K Resistor from the local radioshack and inserted in to the sensor wire connectors. (between the 2 wire terminals).
This actually tricks the ECU to think that the Sensor is not open and the water level is OK.
Issue 1: Headlight Washer pump rusted and leaking
Issue 2: Reservoir was cracked and leaking.
Replaced the washer pump. And repaired the bottle using JB Weld epoxy.
Epoxy did not fix the leak and is still leaking, the water stays to the level below the water sensor, causing the Washer Fluid warning to go off. With the annoying beep.
FIX: I might replace the bottle in the future, but to fix the warning/beep for now, I just used a 1K Resistor from the local radioshack and inserted in to the sensor wire connectors. (between the 2 wire terminals).
This actually tricks the ECU to think that the Sensor is not open and the water level is OK.
thank you very much
1st Gear
Joined: Sep 2008
Posts: 11
The bottle on mine is the one with 2 pumps for windshield and headlight washers.
1st Gear
Joined: Sep 2010
Posts: 244
From: Shrewbury Massachusetts
What year car do you have, my 01 a4 Avant quattro has a separate level sensor about 1/2 way up the tank, on the engine side, plus 2 washer pumps down near the bottom, one for the windsheild/headlight sprayers, and one for the rear glass which is about 2 inches higher up the tank than the windsheild pump. All three penetrations into the tank have gaskets around them and if the pump, or sensor isn't mounted into the tank right they leak like pigs. The one around my sensor leaks so the washer fluid drains down just enough to keep the damn light on.
As far as removing the pump, you have to remove the inner fender liner, and then you can reach around the bottom of the tank and pull it out. you will of course loose any water in the tank, so don't be laying under it when you pull it out of the tank. The body of the pump just passes thru a rubber donut like gasket so it will pull striaght out, no twisting required. Depending on how rusty you electrical connector is, the whole top half of the pump might pull apart when you try do get the connector off. Be careful when disconnecting that connector.
As far as removing the pump, you have to remove the inner fender liner, and then you can reach around the bottom of the tank and pull it out. you will of course loose any water in the tank, so don't be laying under it when you pull it out of the tank. The body of the pump just passes thru a rubber donut like gasket so it will pull striaght out, no twisting required. Depending on how rusty you electrical connector is, the whole top half of the pump might pull apart when you try do get the connector off. Be careful when disconnecting that connector.
Last edited by Mark C; Apr 16, 2015 at 11:00 AM.
1st Gear
Joined: Apr 2015
Posts: 2
What year car do you have, my 01 a4 Avant quattro has a separate level sensor about 1/2 way up the tank, on the engine side, plus 2 washer pumps down near the bottom, one for the windsheild/headlight sprayers, and one for the rear glass which is about 2 inches higher up the tank than the windsheild pump. All three penetrations into the tank have gaskets around them and if the pump, or sensor isn't mounted into the tank right they leak like pigs. The one around my sensor leaks so the washer fluid drains down just enough to keep the damn light on.
As far as removing the pump, you have to remove the inner fender liner, and then you can reach around the bottom of the tank and pull it out. you will of course loose any water in the tank, so don't be laying under it when you pull it out of the tank. The body of the pump just passes thru a rubber donut like gasket so it will pull striaght out, no twisting required. Depending on how rusty you electrical connector is, the whole top half of the pump might pull apart when you try do get the connector off. Be careful when disconnecting that connector.
As far as removing the pump, you have to remove the inner fender liner, and then you can reach around the bottom of the tank and pull it out. you will of course loose any water in the tank, so don't be laying under it when you pull it out of the tank. The body of the pump just passes thru a rubber donut like gasket so it will pull striaght out, no twisting required. Depending on how rusty you electrical connector is, the whole top half of the pump might pull apart when you try do get the connector off. Be careful when disconnecting that connector.
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