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ps pump went south Topic is solved

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Clemens
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Post by Clemens »

On our 95 854 the power steering pump went south today, leaking all over the place. My wife drove home for about a mile with little fluid in the reservoir and a groaning pump. What are the chances the rack and pinion survived? After refilling the reservoir the pump still groans and leaks fluid.
1996 855 R,
black on black, M56 swapped, Quaife, TME 2.5 exhaust, 17 inch Volants

2010 V70 D5,
Saville Gray on tan leather, 18 inch Odysseus

tryingbe
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Post by tryingbe »

Probably. Change the pump and find out.
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wizechatmgr
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Post by wizechatmgr »

More likely they survived -- if they weren't an additional source of leaks.
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD 2.4 T -- ~231k miles
1998 V70 2.4 NA -- ~184k miles

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abscate
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Post by abscate »

The rack will live without pressure just fine. It doesnt blow up without oil pressure like a transmission.
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Clemens
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Post by Clemens »

Thank you
1996 855 R,
black on black, M56 swapped, Quaife, TME 2.5 exhaust, 17 inch Volants

2010 V70 D5,
Saville Gray on tan leather, 18 inch Odysseus

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Clemens
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Post by Clemens »

So, finally, I got all the parts (used pump, new pressure line o ring, 4 Quarts of ATF) and watchd Robert´s Video in order to tackle the job. Looks like the pump was not the culprit but the pressure line being lose. When I tried to unbolt the pressue line i felt that it was extremely easy to turn with the wrench. After close inspection i saw the old o-ring was pretty ugly. So i gave it a try, replace the o-ring and after some bleeding the old pump runs just fine.

I have no clue why that line came loose after 300.000 km and 21 years, but it was quite an easy fix. Let´s see how the alternator and AC pump hold up after being flooded with ATF (and rinsed with brake cleaner and water).
1996 855 R,
black on black, M56 swapped, Quaife, TME 2.5 exhaust, 17 inch Volants

2010 V70 D5,
Saville Gray on tan leather, 18 inch Odysseus

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abscate
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Post by abscate »

Its good for them. It helps the electrons flow faster when they are coated in ATF, then the brake fluid helps them stop.

You will be fine.
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A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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dyn blin
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Post by dyn blin »

Thanks abscate,I had almost forgotten about the Henway effect from auto shop class.
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skloon
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Post by skloon »

I have had that issue too once on a car that I hadn't messed with and once on one I changed the pump on- I replaced the oring with one made to resist acids and stuff- only one I could find and it has been fine-

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abscate
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Post by abscate »

dyn blin wrote: 05 Apr 2017, 09:03 Thanks abscate,I had almost forgotten about the Henway effect from auto shop class.

:D :D :D :D
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