2013 GLK350 washer pump issue?
Thread Starter
Newbie
Joined: Aug 2015
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2001 V70 T5M
2013 GLK350 washer pump issue?
Hi everyone,
My daughter bought this car last year, which has been great with one minor issue.
It will not spray washer fluid on the front windshield.
It will spray on the rear.
Things that have been checked/replaced.
What else should I be looking for?
Thank you
My daughter bought this car last year, which has been great with one minor issue.
It will not spray washer fluid on the front windshield.
It will spray on the rear.
Things that have been checked/replaced.
- Pump replaced
- Front washer line/hose replaced
What else should I be looking for?
Thank you
Member
Joined: Mar 2025
Posts: 87
Likes: 44
From: Bloomington, IN
2010 GLK350, 2021 Taco, 2019 Lexus GX460, 2009 BMW 335d, BMW 328xi
[QUOTE=snoturtle;9167780]Hi everyone,
My daughter bought this car last year, which has been great with one minor issue.
It will not spray washer fluid on the front windshield.
It will spray on the rear.
Things that have been checked/replaced.
What else should I be looking for?
That’s an odd problem. If the scanner shows the washer stalk button being pushed, but the pump does not turn on, either there is a shorted wire, or the stalk is bad and not sending a signal back to the pump to turn it on. I’d bet on the latter.
My daughter bought this car last year, which has been great with one minor issue.
It will not spray washer fluid on the front windshield.
It will spray on the rear.
Things that have been checked/replaced.
- Pump replaced
- Front washer line/hose replaced
What else should I be looking for?
That’s an odd problem. If the scanner shows the washer stalk button being pushed, but the pump does not turn on, either there is a shorted wire, or the stalk is bad and not sending a signal back to the pump to turn it on. I’d bet on the latter.
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Joined: Sep 2015
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2013 glk 350
Check the connector that plugs into the pump for power when pushing the button , if no power penetrate the wire just before the connector to see if the plug connection is bad. If no power trace it up to the next point . Hopefully it’s a bad connection in the plug that goes on the pump
Member
Joined: Mar 2025
Posts: 87
Likes: 44
From: Bloomington, IN
2010 GLK350, 2021 Taco, 2019 Lexus GX460, 2009 BMW 335d, BMW 328xi
There is a diverter switch that makes the fluid go to either the windshield or the back window. Definitely worth looking at this to make sure it is functioning correctly. I’m not sure what the sequence of events is to make the switch “switch”, but it may well be that power or signal goes from the stalk to the diverter, then to the main pump on the fluid reservoir.
Thread Starter
Newbie
Joined: Aug 2015
Posts: 2
Likes: 0
2001 V70 T5M
There is a diverter switch that makes the fluid go to either the windshield or the back window. Definitely worth looking at this to make sure it is functioning correctly. I’m not sure what the sequence of events is to make the switch “switch”, but it may well be that power or signal goes from the stalk to the diverter, then to the main pump on the fluid reservoir.
I checked for voltage, and I get a momentary spike of voltage when trying the rear washer and no spike when trying the front washer.
When either the new pump or the old pump is connected they both operate when the rear washer is engaged but nothing with the front one.
Member
Joined: Mar 2025
Posts: 87
Likes: 44
From: Bloomington, IN
2010 GLK350, 2021 Taco, 2019 Lexus GX460, 2009 BMW 335d, BMW 328xi
Any idea where this switch is located?
I checked for voltage, and I get a momentary spike of voltage when trying the rear washer and no spike when trying the front washer.
When either the new pump or the old pump is connected they both operate when the rear washer is engaged but nothing with the front one.
I checked for voltage, and I get a momentary spike of voltage when trying the rear washer and no spike when trying the front washer.
When either the new pump or the old pump is connected they both operate when the rear washer is engaged but nothing with the front one.
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MBWorld Fanatic!
Joined: Jun 2021
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From: South Texas
2014 GLK350 base model (active) ; 2001 E320 base (retired); 2001 Wrangler soft-top
I assumed the answer can be found in Reply #6 by @John CC which includes a PDF.
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From: Lac Ste. Marie, Quebec
2006 Alfa Romeo Brera, 2010 GLK350, 2018 BMW 640i GT, 1997 Subaru SVX, 2012 Moto Guzzi Norge GT8V
I assumed the answer can be found in Reply #6 by @John CC which includes a PDF.
Member
Joined: Mar 2025
Posts: 87
Likes: 44
From: Bloomington, IN
2010 GLK350, 2021 Taco, 2019 Lexus GX460, 2009 BMW 335d, BMW 328xi
Crappy that such a little thing can be such an annoyance. FCP Euro sells the diverter. AI suggests it’s close to the pump and reservoir. Should be able to locate it by tracing the fluid line from the pump.
