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Headlamp washer

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537playing
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Headlamp washer

Post by 537playing » Mon Feb 25, 2019 5:26 pm

Any tips on diagnostic steps on the headlamp washers not working. I have the ones that are within the bumper and then push out squirting fluid on the lights only- no wipers.
To me they are ineffective but since it’s too cold to play golf up here in the Northeast I’ll spend my time addressing this.
I have to add that the washer fluid is full and still not working.

Thanks
2005 S60 2.5T



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EngineeringBloke

Re: Headlamp washer

Post by EngineeringBloke » Mon Feb 25, 2019 6:13 pm

My 2006 has the headlamp washer, also. They stopped working suddenly with a big leak of washer fluid - I was topping up as it was low. There are two pumps, one for the headlamps and one for the windscreen.

Perhaps your headlight pump has failed (not leaking) or perhaps is not getting power.

My mechanic saved me the cost of a new headlamp pump by plugging the hose to the headlamp pump as the pump was very rusted. I plan to fix it at some point, but it is low on priorities for me (although I do love the feature).



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Re: Headlamp washer

Post by abscate » Tue Feb 26, 2019 4:58 am

You will need an assistant to turn the headlight switch on and wash while you listen to see if both p7mps work

Golf is great this time of year, but the greens are fast. You always get a good lie in frozen bunkers


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Re: Headlamp washer

Post by 537playing » Tue Feb 26, 2019 5:38 am

Hmm. You mention headlight switch. Which position should it be on or does it make a difference?



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Re: Headlamp washer

Post by chrism » Tue Feb 26, 2019 6:35 am

I'm in the midst of cleaning out the garage in prep of moving back to GA. I've got a spare pump if you need it for the price of the postage. Do your windshield washers pump water OK?



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Re: Headlamp washer

Post by 537playing » Tue Feb 26, 2019 6:41 am

Thanks. Windshield pump is fine



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Re: Headlamp washer

Post by RickHaleParker » Tue Feb 26, 2019 7:51 am

The fuse and relay for the High Pressure Headlight Washer is in the engine bay fuse box.
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Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

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Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
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537playing
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Re: Headlamp washer

Post by 537playing » Tue Feb 26, 2019 10:39 am

Are you saying that I should replace the relay first?



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Re: Headlamp washer

Post by EngineeringBloke » Tue Feb 26, 2019 11:22 am

Check headlamp washer fuse (15).
Switch the windshield washer relay with the headlamp washer relay and see if the fault moves - bad relay.
Try to see if the headlamp washer pump is getting power.



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Re: Headlamp washer

Post by abscate » Tue Feb 26, 2019 5:15 pm

You trouble shoot electronics backwards...look for voltage at the component , then work your back to find where it is and why the circuit is broken.


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