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Leak power steering union nut

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I have a leak, fluid spraying out of the union nut. Bought the union nut and pipe. From other threads people have said that the pipe will have to cut off in order to undo the nut. The garage I took the car to disagrees and claim it should just come out ( the fact it wasnt was due to "it's old and hasnt been opened for 18 years, it has seized up" ). Long story short garage didnt end up repairing instead put everything back and I ended up driving back with no power steering as all the fluid was drained.

My question is will I have permanently damaged the pump whilst driving dry??

(I will test it by pouring power steering fluid in once I get more, should have it bought from the garage but left after a little argument over the repair)



it doesn’t come out - the leak is most likely the pipe has fractured..  there was a modified high pressure pipe with a bracket to better support to stop the failure....  its almost the same price as the repair kit of both new pipes - and you need the one time silly quick coupling too

top up the reservoir - start the car - wiggle the pipe and get a face full of fluid....

these must be copies at that price !  https://www.ebay.co.uk/itm/285348537058?

fracture.thumb.jpg.ec660c6431e49e3c65109608a96189cf.jpg

second post likely with the same issue 

 

  • Author

Thanks for the reply, yeah I posted before with regards to buying ford original power steering vs one of these copies.

Posted here cause that garage trip has frustrated me like crazy, worried the pump isnt working now, need a little peace of mind if thats possible. I got some power steering fluid but whatever work the garage attempted and then having to put everything back has left some sort of fracture or something. Power steering fluid comes pouring out within seconds. Before it leaked a tiny amount overnight, quiet abit when cars running and wheels turning.

Sorry from rambling on, just been annoyed about this and myself over this for months.

Sorry and thanks to anyone reading this

the issue isn't the garage - its Ford - stupid design with a weak spot that leads to PAS failure and pump damage

should always have been a recall for a free new pipe - expecting a garage to get lucky undertaking work on a car with insufficient room around a deliberate design flaw - after 100k miles and 15 years of heat cycles, it always going to end in tears...

once hers cracked it dumped the lot inside 2 miles - then the pump is in the trash me zone as you screech home... driving in this condition for more than a few miles is ONLY a get me home solution - anything else is very foolish and lethal to other two wheeled road users !!!!

makes me wonder why StephenFord, hasn't understood the risks yet

at that price I'd give the pattern ones a go - its got to be far safer than running round waiting to destroy the pump on the unbracketed originals

  • Author

Thank you Botus for your reply. I believe the pipe has the support bracket so the previous owner must have replaced it.

The garage tried to pull the pipe out of union nut which you kindly clarified doesnt come out by design. 

My concern is before taking to garage, I could top up power steering fluid and drive normal until the reservoir gets low and then you hear a whining noise (you can see fluid spraying from the nut). After the garage attempted to take the pipe off then put it back together, now as soon as you top up fluid it gushes all out within seconds and no noise coming from pump.

I am concern the pump isnt working, if the pipe goes on with the new nut on a faulty pump I will end up having to buy a new pump as well as the pipe and nut again.

Is there a way to check pump without topping up power steering fluid?? (As the fluid gets dumped straight away)

Sorry for long comment, thanks anyone reading and replying 

if its quiet its happy - the noise is metal on metal grinding, turning what's left of the pump and fluid to grey iron fillings - only extreme continued abuse will kill it dead - of course ANY noise is damage - and the metal fillings won't be doing seals in the pump or the steering rack any good at all

I expect in fords world they believe they have a tool to release the coupling - but having looked at a new coupling and the old one on my old pipes I never managed to get close to releasing the insanity of the it - maybe if you had a very very thin 15 thou or so tool, four pairs of hands and the engine on the bench YES you could almost get the pipe out without damage

the ONLY sensible way is to undo the nut and grind off the old stupid coupling taking 30 mins trying not to damage the pipe or its going to leak - any other attempt is likely going to 1) fracture the pipe) 2) damage other stuff in the area like AC pipe, belts, stat elec power connector - if that type fitted, break the sensor on the pump etc.

if you have the later pipe with the bracket to better support the pipe and stop people trying to gain more room for other work by tweaking the high pressure pipe - it is almost impossible to reach the thing - the bracket stops you seeing let along reaching the coupling....    get the pipes get the coupling get 2 litres of green fluid top it up with any old PAS crap - and take to a place that’s competent

any garage that attempted the other way and cause damage should buy and fit new pipes at their expense - if its spraying out I guess they destroyed the pipe, and then they should buy you a pump too

 

  • Author

"the ONLY sensible way is to undo the nut and grind off the old stupid coupling taking 30 mins trying not to damage the pipe or its going to leak" wait so you can undo the nut from the pump whilst the pipe is still inside the nut??

My post has already been quoted here (Trouble at t'mill with a 20 year old...). I have my car booked in this Wednesday so will report back what the diagnosis was & repair. In the last few weeks I have topped up with a liter of power steering oil, but luckily I have the option to now keep it off road till repair done as I have a 'spare' car!

The whining noise from the pump alone was enough to make stop driving the old girl for a bit...

56 minutes ago, StephenFord said:

I have a 'spare' car!

The way of the future 🤣

Hope it uses lots of petrol and oil and helps with keeping the climate warm 😉

1 hour ago, unofix said:

The way of the future 🤣

Hope it uses lots of petrol and oil and helps with keeping the climate warm 😉

Indeed it does, it's 23 years old, pumps out loads of emissions, though sadly, MPG is pretty good, but only to be expected from an old Toyota Yaris  😂

3 hours ago, StephenFord said:

Indeed it does, it's 23 years old, pumps out loads of emissions, though sadly, MPG is pretty good, but only to be expected from an old Toyota Yaris  😂

Does it suffer from the common speedometer fault? Whenever you get stuck behind one on a clear road, it is always driving at least 10mph below the limit.

30 minutes ago, AntonovAN12 said:

Whenever you get stuck behind one on a clear road, it is always driving at least 10mph below the limit.

Not when I'm driving it, now, when it use be driven by my mum, all bets were off 😂

It's only a one liter CDX, but because it weighs the same as a pack of crisps, it's quite nippy!

8 hours ago, masz said:

"the ONLY sensible way is to undo the nut and grind off the old stupid coupling taking 30 mins trying not to damage the pipe or its going to leak" 

 

wait so you can undo the nut from the pump whilst the pipe is still inside the nut??

YES - but there is no room to swing a spanner - and if you have the bracket (of the modified pipes) even less room as the bracket virtually obscures any access to the union's hex head

once out, you can't guarantee the abuse used did the pipe any good, or being silly enough to try and reuse the coupling will give a leak free solution on second use, and its unlikely you can't tighten the coupling up tight anyway - and refitting the pipe, as the old bit won't come off - how do you get to use a new quick coupling?

its probably best thought of as a quick / convenience assembly fitting - and to remove you just snap off the pipe and use a socket to get the coupling off the pump - then fit a new coupling with the same socket - alongside then clipping in a new high pressure pipe

  • Author

Thanks for the replies, sorry been avoiding dealing with this problem. Dealing with this issue this week. Got the mechanic booked for this Wednesday. His advice is to replace the pump at the same time. I was thinking that if after fitting the pipe and nut the pump has failed then I'll end up buying the pipe and nut again along with pump and paying the mechanic again for the job.

Found the pump on eurocarparts and carparts4less trying to find the part number so can shop around and check ford ebay and others.

Can someone tell what the part number is??

the ford green fluid gives a nicer lighter steering feel than the crap not quite the correct spec comma mvcvh everyone uses - coz its cheap and everyone has it

last time I bought the ford stuff was years back before covid and the claw their money back rip off pricing - it was about 20 quid... for my non ford car main dealer wants £45 a litre but can shop about and get for £35 whereas comma stuff can be got today for under £10

in USA they sell clear stuff - Pentosin CHF 11S synthetic high-performance hydraulic fluid - many cars use it there but its illegal in Europe - the ford one comes out about 10 to 15 % lighter steering and is perfect, whereas the comma is heavy and horrid

Quote

We kindly inform you that Pentosin CHF 11S is not available for EU, that is the reason why it did not show up on the UK web site.
We have different regulations and products to the USA so products may not be the same - as we must comply with local rules.


 

39 minutes ago, Botus said:

the ford green fluid gives a nicer lighter steering feel than the crap not quite the correct spec comma mvcvh everyone uses - coz its cheap and everyone has it

last time I bought the ford stuff was years back before covid and the claw their money back rip off pricing - it was about 20 quid... for my non ford car main dealer wants £45 a litre but can shop about and get for £35 whereas comma stuff can be got today for under £10

in USA they sell clear stuff - Pentosin CHF 11S synthetic high-performance hydraulic fluid - many cars use it there but its illegal in Europe - the ford one comes out about 10 to 15 % lighter steering and is perfect, whereas the comma is heavy and horrid


 

I bought this last week in my local motor factors for £12...

powersteering.thumb.jpg.9d911baae92abfc9e7c2aa895e5f5ab7.jpg

the comma stuff claims to meet the ford spec - but it doesn't actually

see USA get the thin stuff https://www.napaonline.com/en/p/AICCHF11S

the three searches on their owne sits for NAPA CHF N322 on UK or EU sites didn't work for me - and I can't find the MSDS to check the specs of the one you found

 

 

 

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