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Was there ever a solution to this? I changed the motor (twice). Switched the lines and when I press the back button they spray fine. Changed relays. Fuses. I can't imagine the switch is bad because when i press it it makes a clicking sound near where the relays are. I'm at a loss and pulling my hair out. Help? Please!
:welcome: to the forum. Unfortunately, it looks like anyone with the problem has disappeared. Could be time for you to seek professional assistance, too. Someone skilled in use of a scan tool and diagnostic software could likely find the problem quickly and get it fixed for you.
 

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Hi, had same issue. Now fixed, and quite easily.
Problem was: No front wind shield spraying......unless the wipers on and the turn indicator pushed up ever so slightly.
Turned out I replaced the turn indicator arm module for about $50 and 10 minutes with a 7mm ratchet.
It is listed as the "wiper, turn multi function switch".
Easy fix!
 

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This is the part I am buying today to try and fix the issue on my 2017 SLT:

OEM Parts number:
84179734

Will report back.
 

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Hi, had same issue. Now fixed, and quite easily.
Problem was: No front wind shield spraying......unless the wipers on and the turn indicator pushed up ever so slightly.
Turned out I replaced the turn indicator arm module for about $50 and 10 minutes with a 7mm ratchet.
It is listed as the "wiper, turn multi function switch".
Easy fix!
Hi, I have the same issue which is the front wipers working but isn't spraying, and the rear is working and spraying.
So, is it the wiper, turn multi-function switch? is that the problem, please? Thank you
 

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Hi, I have the same issue which is the front wipers working but isn't spraying, and the rear is working and spraying.
So, is it the wiper, turn multi-function switch? is that the problem, please? Thank you
Welcome to the forum.
Could be the washer pump has gone bad. There's one pump for the front and one for the rear. Can you hear the pump trying to work?

It would be nice to know the model year of your Acadia, too.
 

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Welcome to the forum.
Could be the washer pump has gone bad. There's one pump for the front and one for the rear. Can you hear the pump trying to work?

It would be nice to know the model year of your Acadia, too.

I tested both pumps, I was able to hear the rear but not the front one. I thought it is the pump, so I bought a new pump for the front and I replaced it. Unfortunately, the issue was not resolved.
It is 2013 Acadia Denali 2WD.
 
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