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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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 Posted: Tue Mar 26, 2019 18:25 Post subject: Power steering pump oil pressure hose - retaining nut spec?? |
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Help!
Please could anyone here tell me the spec for the retaining nut for the power steering pressure hose? The one that holds the banjo connection onto the P/S pump?
Don't ask...
Let's just say I need to replace the nut, and although it *looks* like an M12, the thread appears to be different and I really do not want to damage it...
Thank you!
Jeroen
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1992 L300 Exceed "Selma" |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Tue Mar 26, 2019 18:28 Post subject: |
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It's part no. 48989 in this picture:
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NikTheGreek
Joined: 10 Dec 2016
Posts: 192
Location: Trikala, Greece
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| Posted: Tue Mar 26, 2019 19:28 Post subject: |
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take a look at the manual ..
37 steering..... pages 4 to 7 ..
i'm sure that is there the info you are looking but seems that I can't spot the exact value ... sorry
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Mitsos (my car) is a
LHD 4WD L300 1991
4D56 TD - Manual Transmission.
English is not my native language, so please feel free to correct any wrong spelling or syntax errors in my posts. |
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jejoenje
Joined: 20 Aug 2016
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Location: Alloa, Scotland
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| Posted: Tue Mar 26, 2019 19:33 Post subject: |
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Thanks, NIk.
I don't think it's in there... as far as I'm aware anyway. 
These manuals tend to contain the info needed by normal people, like torque specs, etc. Not info needed for nutters who are stupid enough to lose their nuts... fnarrr...
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NikTheGreek
Joined: 10 Dec 2016
Posts: 192
Location: Trikala, Greece
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| Posted: Tue Mar 26, 2019 19:34 Post subject: |
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found it ... :D
depending on the engine values are ... 16-24 or 14-21 Nm
pages 53 and 54 on the same manual
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Mitsos (my car) is a
LHD 4WD L300 1991
4D56 TD - Manual Transmission.
English is not my native language, so please feel free to correct any wrong spelling or syntax errors in my posts. |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Tue Mar 26, 2019 21:30 Post subject: |
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Those are the torque specs, not the sizes for the nut... but thanks.
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andyman
Joined: 08 Dec 2012
Posts: 5602
Location: Penrith
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| Posted: Tue Mar 26, 2019 21:38 Post subject: |
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Loving the truly international spirit of helpful co-operation on this site. A Greek (in Greece) and a Dutchman (in Scotland) sorting out problems with a Japanese vehicle on a British-based forum! I think there's a lesson in there somewhere! 
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Andy C L300 Super Exceed - over 100 smiles per gallon! |
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NikTheGreek
Joined: 10 Dec 2016
Posts: 192
Location: Trikala, Greece
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| Posted: Tue Mar 26, 2019 22:00 Post subject: |
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| andyman wrote: |
| I think there's a lesson in there somewhere! |
Yes .. there is a lesson here ...
Read carefully before answer
That's why I gave jejoenje a wrong answer ...
because I didn't pay attention on what he was asking ... 
Sorry my friend ...
_________________
Mitsos (my car) is a
LHD 4WD L300 1991
4D56 TD - Manual Transmission.
English is not my native language, so please feel free to correct any wrong spelling or syntax errors in my posts. |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Tue Mar 26, 2019 23:03 Post subject: |
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Dude, don't apologise! I appreciate the help... I really do. There's so much in those manuals that it is very likely I've missed something... so a second pair of eyes are much appreciated. :D
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1992 L300 Exceed "Selma" |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Tue Mar 26, 2019 23:03 Post subject: |
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| andyman wrote: |
| Loving the truly international spirit of helpful co-operation on this site. A Greek (in Greece) and a Dutchman (in Scotland) sorting out problems with a Japanese vehicle on a British-based forum! I think there's a lesson in there somewhere! |
Good point well made...! Who needs Facebook!  
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Fostlongstrider
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| Posted: Wed Mar 27, 2019 0:03 Post subject: |
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Hear Hear!!!
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Lewis
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Joined: 25 May 2006
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| Posted: Wed Mar 27, 2019 0:35 Post subject: |
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The part umber is MF430727 and all it says in the parts order specs is:-
1 48989 MF430727 01 NUT,P/S OIL LINE JAM,12
I suspect it is probably a M12 1.25 TPI thread.
Now this may sound daft but your wheel nuts are M12 1.5 TPI, so see if one easily fits over the thread, but take care not to force it, as that will damage it. If or not it easily fits will help determine if it is 1.5 or 1.25 TPI.
HTH
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Wed Mar 27, 2019 10:03 Post subject: |
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Thanks Lewis 
That's a good point, and I had already tried a wheel nut! It sure doesn't fit, although it sort of seems to bite onto the top but then get impossible to further tighten.
Like you say, I suspect its a super fine thread. I've ordered a couple of 1.25 pitch M12's from the interwebs, FINGERS CROSSED.
Because if that doesn't do it, I might end up having to order the OEM version from Mitsi...
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mr.b
Joined: 27 May 2013
Posts: 78
Location: Bristol
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| Posted: Wed Mar 27, 2019 21:52 Post subject: |
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Hi Jejoenje,
Would it be possible to take your power steering pump to a hydraulic hose maker and find
out if it is a hydraulic thread, which are normally finer than normal bolt threads, might be worth a try.
Cheers Chris & Chris. |
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Deker
Joined: 08 Mar 2008
Posts: 3833
Location: Borehamwood
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| Posted: Wed Mar 27, 2019 22:04 Post subject: |
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Hi jejoenje
If you really get stuck on this, I may be able to make a nut for you.
This would, of course mean that you have to post the original nut to me.
If you do need me to help, best to call me. My No. can be found in the member2member services.
Mr D |
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Thu Mar 28, 2019 0:40 Post subject: |
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THANK YOU Mr Dr!
I'll bear that in mind.
Unfortunate thing is, the nut has gone AWOL! If I could only find it, there would not be an issue...
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jejoenje
Joined: 20 Aug 2016
Posts: 785
Location: Alloa, Scotland
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| Posted: Thu Mar 28, 2019 0:41 Post subject: |
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| mr.b wrote: |
Hi Jejoenje,
Would it be possible to take your power steering pump to a hydraulic hose maker and find
out if it is a hydraulic thread, which are normally finer than normal bolt threads, might be worth a try.
Cheers Chris & Chris. |
Thanks Mr B!
That's a good idea, when I get REALLY stuck.
Are hydraulic threads normally different again from the 1.75/1.5/1.25 pitch patterns?
I'm really hoping that a 1.25 pitch nut is going to do the trick - hopefully I'll know after the postman's been tomorrow.
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Lewis
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Joined: 25 May 2006
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| Posted: Thu Mar 28, 2019 10:37 Post subject: |
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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 Mar 28, 2019 12:57 Post subject: |
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| Lewis wrote: |
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You, sir, are a wizard. Thank you! I pride myself on my Googling generally, but I totally couldn't find this one.
As luck will have it, the postman arrived this morning with a baggie full of M12 1.25 pitch nuts, and I am happy to report they fit! So my steering rack pressure pipe is back on the pump...
Now we'll just have to wait and see whether my repair of set pipe (rusted through at the bend at the bottom) is going to hold!
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