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Any known procedure to refill hydraulic lift gate pump? 2010 XC60

Help, Advice, Owners' Discussion and DIY Tutorials for the groundbreaking new Volvo S60 2011+, V60 2015+ XC60 2010-2018.
aaronlife
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Year and Model: 2010 Volvo XC60
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Any known procedure to refill hydraulic lift gate pump? 2010 XC60

Post by aaronlife » Sat Jan 18, 2020 1:11 pm

My lift gate was going up, but not staying up, it would slowly go back down, or come down quickly if I pressed the button.

I replaced the passenger side gas strut, no luck. I replaced the $300 hydraulic strut, and it still falls, but more slowly. I did find a bad o-ring upon removal (it started to leak when I loosened the clamp that holds the hoses in place) and I replaced that with one that came on an insert in the new strut (used to seal it).

Now, it still falls, but more slowly, especially when it gets about 50% of the way down, it almost seems like it will stay up, but it doesn't.

I did lose some fluid during the change-over of old to new struts, and I'm wondering if anyone knows how to re-fill the pump?

Since the pump is $650+, I'd rather not go replacing that yet. Any known way to repair the pump if that's the cause?

jimmy57
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Re: Any known procedure to refill hydraulic lift gate pump? 2010 XC60

Post by jimmy57 » Sat Jan 18, 2020 5:01 pm

Get the correct fluid, Volvo power steering fluid or Pentosin CHF 11S, and put in on of the old pump oilers. There is a plug on the pump once you get it out of the foam enclosure and you can remove it and put nozzle from pump oiler and fill that way.

aaronlife
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Year and Model: 2010 Volvo XC60
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aaronlife

Re: Any known procedure to refill hydraulic lift gate pump? 2010 XC60

Post by aaronlife » Sat Jan 18, 2020 5:08 pm

Gotcha, thanks. I found the volvo hydraulic pump fluid online, kinda pricey, I’ll check the alternatives.

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