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Lewis
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Joined: 25 May 2006
Posts: 16295
Location: Huddersfield
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 Posted: Wed Apr 05, 2017 7:05 Post subject: |
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| nw-Deli wrote: |
Unfortunately, I have tried to unscrew the pipe fitting from the steering rack - using crows foot type pipe spanner - and ended up rounding off the hex. |
File down two sides of the fitting and use an open-ended spanner. 
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| Posted: Wed Apr 05, 2017 7:05 Post subject: Google Ads keep this community free to join! |
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marktracten
Joined: 14 Mar 2017
Posts: 11
Location: Leeds
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| Posted: Wed Apr 05, 2017 8:14 Post subject: |
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| Heya nw-Deli, which mitsubishi dealers did you go to? Mine wanted £350!!!! |
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andyman
Joined: 08 Dec 2012
Posts: 5602
Location: Penrith
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| Posted: Wed Apr 05, 2017 18:33 Post subject: |
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Hi NW Deli, did you read my post about using plumbing compression joints to connect in plain pipe? They come in the same size as the 8 and 10mm steel pipes on the Deli, so as long as you can cut back to a clean end, and swing your spanners, you can join in a new section of steel pipe. I also have a pipe bending tool in these sizes. Ask a plumber if you can borrow his! Or what Lewis said (ideally).
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Andy C L300 Super Exceed - over 100 smiles per gallon! |
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nw-deli
Joined: 04 Sep 2011
Posts: 4
Location: Milton keynes
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| Posted: Thu Apr 06, 2017 6:46 Post subject: |
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Dealer was just my local milton Keynes one.
Ashleigh.Gardener@mkkia.co.uk
Was the guy
Unfortunately the leak is very close to existing fitting.
So no room for a compression fitting. Will give the glued up one a test today and the probably have to pull her apart. I will try filing two flats on first to see if I can get pipe of in situ first. |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Thu May 02, 2019 9:09 Post subject: |
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ZOMBIE THREAD! 
Yeah, so I can add mine to the list of L300's with rotted out P/S pipes. 
In my case, both the P/S feed (pressure) line and the return line have now started leaking at the infamous bracket.
I already tried the compression fitting fix which held for a bit but I think the fiddling putting that in place has put more stress around the already corroded lines,
so they are now both gone.
I've cut out the bracket and most of the offending pipe.
There's a good few inches of pipe missing now, so I suspect I will have to find some replacement pipe. (Photos to follow).
Given the state of the remainder of the hard line, particularly the loops towards the front (why loops, by the way???), I'm wondering if I should just try to
replace all of the hard lines.
On this note, I assume the lines are supposed to be removable from the steering rack, right? I.e. the unions highlighted here:
I tried to remove these with a pipe spanner yesterday but neither of them would budge, even with a fair bit of violence... and I really don't fancy rounding the nuts off...
Are they just very stuck and should I keep trying, or just splice in a repair bit of pipe and wait for the rest of them to corrode? 
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Lewis
Site Admin
Joined: 25 May 2006
Posts: 16295
Location: Huddersfield
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| Posted: Thu May 02, 2019 9:58 Post subject: |
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| jejoenje wrote: |
| ...... particularly the loops towards the front (why loops, by the way???)...... |
To assist with air cooling of the fluid.
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Do not blindly go where the path may lead you. Go where there is no path and leave a trail that others may follow!
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Thu May 02, 2019 10:47 Post subject: |
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Thanks Lewis, that's what I thought.
I assume they would be removable from the rack end?
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PinkPig
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Joined: 05 Aug 2004
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Location: Southampton, UK
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PinkPig
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nw-deli
Joined: 04 Sep 2011
Posts: 4
Location: Milton keynes
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| Posted: Thu May 02, 2019 14:39 Post subject: |
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| Unfortunately my L300 has moved on.. The repair I carried out held pressure and didn't leak.. I cleaned off the rust best I could - used 9323 stuctural adhesive and then covered with two halves of titanium tube.. which I then wrapped in carbon fibre with more 9323 for good measure.. looked terrible but did the trick.. and it wasn't a brake line!! |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Thu May 02, 2019 16:05 Post subject: |
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Thanks, Pig - I had the part numbers and had seen the Amayama links but not the Viamoto ones. Those prices aren't too mad...
Obvs this would rely on me getting those unions off the rack first though... Definitely weren't budging yesterday!
I suppose it would be possible to cut the pipes close to the union and just get a socket on them... but that's really no way back then.
I may reattempt the bodge and use some 8mm steel pipe and compression fittings as you suggested elsewhere.
Trouble is, I really needed the van for this weekend, unfortunately...
nw-Deli, I'm sorry to hear yours has bitten the dust... but interesting to hear that your repairs did hold... any photos?
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andyman
Joined: 08 Dec 2012
Posts: 5602
Location: Penrith
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| Posted: Thu May 02, 2019 23:59 Post subject: |
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Readily available copper pipe would take the pressure for normal driving. It is only if you keep pulling on the wheel when already on full lock that you will get the extreme pressure that would burst the pipe. okay temporarily for your weekend away.
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Fri May 03, 2019 10:56 Post subject: |
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Thanks Andy. 
Yes, so I've spliced in a bit of 8mm copper pipe into the pressure line using two compression fittings, and have reattached the return line with a compression fitting.
Not tested it yet as I will need to get (yet more) P/S fluid but will report back ASAP.
Incidentally, I've actually managed to loosen the return line joint on the steering rack - lots of penetrating oil and threading a ring spanner onto the line did the trick.
So in theory I would be able to just source the replacement pipes linked to above. However, one of the leaks needing repair was actually in the bottom of the main
oil pressure line coming down from the pump - i.e. aft of the bracket holding the hard line (i.e. in 48826 or MB636834).
Given that this hose assembly is £££  even if I get replacement hard lines I would still have to either repair that hose properly (get a new union fitted to it?)
or still end up with a bodge (compression fitting) even with the new hard lines... which seems a shame.
I'm just hoping the current patch job will hold and I haven't caused more leaks further along the pipes... 
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Fri May 03, 2019 10:58 Post subject: |
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Incidentally, would 8mm/10mm brake lines (copper-nickle type) be appropriate for managing the pressure of the P/S system?
If so I guess it might be possible to DIY the whole length of the piping?
Are there dedicated flaring unions for steel pipes?
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PinkPig
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Joined: 05 Aug 2004
Posts: 2720
Location: Southampton, UK
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ciaran15
Joined: 23 Mar 2010
Posts: 225
Location: Omagh
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| Posted: Fri May 03, 2019 21:24 Post subject: |
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I had the exact same trouble with corroded pipes and leaking power steering fluid I made myself some new pipe with 8 MM. copper pipe and compression fitting after pink pigs advice but it's still leaking but only slightly so I got myself this new pipe in the post today all the way from Japan only cost £24. My diy pipe work is working fine but I just wasn't comfortable driving round in it waiting for it to go pop anytime so just thought I would get the exact part.
https://ibb.co/6Dwx47c
https://ibb.co/7p4G4YG |
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andyman
Joined: 08 Dec 2012
Posts: 5602
Location: Penrith
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| Posted: Sun May 05, 2019 13:36 Post subject: |
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Hi Ciaran, do you have a link to your supplier's site? I am thinking I will order some now, before the inevitable happens!
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Andy C L300 Super Exceed - over 100 smiles per gallon! |
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ciaran15
Joined: 23 Mar 2010
Posts: 225
Location: Omagh
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| Posted: Sun May 05, 2019 13:46 Post subject: |
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Hi Andy
https://www.amayama.com/en/part/mitsubishi/mb351600
Here's the link to the part I got it took a few weeks to arrive from Japan I had to pay an extra £16 for import tax to royal mail though the chancers 😁 but the same part from a Mitsubishi dealer here was gonna be a couple of hundred so worth it 👍 |
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SicklyPeak
Joined: 25 Jan 2020
Posts: 1
Location: Buderim, Australia
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| Posted: Sat Jan 25, 2020 11:36 Post subject: |
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| Where did you get the work done? |
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