larasmith1
V90 Windshield Washer Heater Malfunction
Summary of the thread
The windshield washer heater on a 2022 Volvo V90 diesel is malfunctioning, causing the spray nozzles to freeze in cold weather. The issue might be due to a bad cable or plug, potentially involving a corroded or loose connection to the heating element near the washer nozzles. It is suggested to have a workshop inspect the heating element and connections, as a similar issue was resolved by addressing corrosion on the plug.
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4 comment(s)
larasmith1 (community.author)
Thanks! Where was the heating element located in relation to the washer nozzles on your BMW? I'm having trouble finding it on my V90. Do you remember any specific steps you took to diagnose the issue?
heinzsteel6
On the BMW it was right under the nozzles, attached to the washer jet assembly. I actually took it to the workshop because I couldn't get proper access without removing some parts. They confirmed it was corrosion on the plug. Best bet might be to get yours looked at.
larasmith1 (community.author)
I appreciate the suggestion. I'll schedule an appointment with a workshop to investigate the heating element and connections. The diagnostic showed a defective connection, costing 95€.
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VOLVO
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V90
heinzsteel6
I had a similar problem with my old BMW 3 series. The washer jets wouldn't spray in the winter. On the BMW, there was a tiny heating element for the washer fluid right near the nozzles. Check the connection to that heating element and make sure it's getting power. It might be corroded or loose.