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Washer fluid troubleshooting, repair, parts '98 V70 wagon

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

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dynamaniac
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Washer fluid troubleshooting, repair, parts '98 V70 wagon

Post by dynamaniac » Mon Nov 25, 2019 12:57 pm

Unlike many of the other repairs I've managed to do over the last few years, I'm struggling to find information and parts to fix my washer fluid issue on my '98 V70 wagon (NA). I've scoured the forums here, a bunch of Google searching... I might be missing something obvious, as merely a dabbling home mechanic, but I'm running out of ideas.

After doing a coarse test a few weeks ago, I'm convinced the leak is occurring at the washer fluid filter, either the filter itself or the outgoing tube that connects to it. The system holds fluid at rest, but the moment I activate the pump, the entire reservoir drains from the filter downstream of the front pump.

I want to thoroughly troubleshoot the system and replace whatever parts are necessary. I'm thinking while I'm at it, I will also try to repair the lines that feed fluid to the rear washer sprayer. (I can hear the rear pump activate, but fluid never comes out from the rear).

1) What are the type(s) of tubing (and length) I might consider replacing?
2) Where might I be able to source the front washer fluid filter? I've searched IPD, FCP euro, eBay, and Amazon, to no avail. I haven't asked my local Volvo mechanic, maybe I'll just turn to him? See:
IMG_2395.JPG
3) Are there any parts diagrams online anymore? I've found a few dead links to diagrams, and plenty of false positives leading to systems that are clearly not the one present in the '98 V70. I can't even figure out the part no. for this filter!

Any pointers would be greatly appreciated!
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RickHaleParker
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Re: Washer fluid troubleshooting, repair, parts '98 V70 wagon

Post by RickHaleParker » Mon Nov 25, 2019 11:22 pm

The filter (#16) is Volvo part number 3538564.
If you cannot find the filter ... Lawn mower inline fuel filter.

You might want to take a look at #21 the Air vent valve.

Click on picture to zoom in.
2019-11-26.png
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Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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Re: Washer fluid troubleshooting, repair, parts '98 V70 wagon

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

Are there any parts diagrams online anymore? I've found a few dead links to diagrams, and plenty of false positives leading to systems that are clearly not the one present in the '98 V70. I can't even figure out the part no. for this filter!
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