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Caesium



Member Since: 21 Sep 2021
Location: Essex
Posts: 451

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Santorini Black
Changed PAS fluid using vacuum method

Turns out it's much easier to change the fluid using a vacuum pump than it is by running the engine.

Not sure how complete it is to change all the fluid but turning the steering with the engine off seems to pump it out quite quickly even when the return pipe isn't under vacuum.

I simply disconnected the return line after draining the reservoir and then connected it to the vacuum extractor. Then I blocked off the spigot on the reservoir with a small piece of tube and a bolt.

I topped up the reservoir and applied vacuum, before long 2 litres had passed through and it looks pretty clean now. A few turns lock to lock help pump the fluid out into the extractor even with the engine not running.

As you can see the old fluid looks pretty dirty.

Click image to enlarge


This is the vacuum extractor, it pulled the fluid through no problems.


 Christian.


Current Cars
2011 Range Rover Vogue SE
2020 BMW M4 Competition
2019 BMW X4

My RR Blog: www.facebook.com/L322Project
or
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Post #609112 14th Oct 2021 11:51am
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Graham4242



Member Since: 26 Sep 2021
Location: Dubai
Posts: 36

United Arab Emirates 2011 Range Rover Autobiography 5.0 SC V8 Alaska White

I was thinking or getting one of these and going this job as my RR hasn’t been particularly looked after by the previous owner. I’m interested if there was any perceptible difference with fresh fluid in the PAS system ? Current
2011 Autobiography, 2014 Vogue SE Supercharged
Previous
2016 Cayman GTS
2015 Cayenne Turbo
2016 911 Turbo
2013 Audi S8
2014 Cayman S
2003 Alpina B5s
1998 M5
1993 M5

Post #609236 15th Oct 2021 8:07am
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Caesium



Member Since: 21 Sep 2021
Location: Essex
Posts: 451

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Santorini Black

I can't tell from driving the car as it's still up in the air with the wheels off awaiting my new discs and pads.

I'm sure the pump is less likely to fail if the fluid is decent, this was my major reasoning.
It certainly cannot be worse than before.

The inspection 2 sheet doesn't show the PAS fluid to be changed though. Christian.


Current Cars
2011 Range Rover Vogue SE
2020 BMW M4 Competition
2019 BMW X4

My RR Blog: www.facebook.com/L322Project
or
https://www.fullfatrr.com/forum/topic61540.html

Post #609245 15th Oct 2021 8:34am
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