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brake load sensor valve
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 Moderated by: Tom James, MOTman, KevG  

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nickbali
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 Posted: Sat Sep 17th, 2011 06:12 pm

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Thank you Rob

robplaying
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 Posted: Sat Sep 17th, 2011 12:20 pm

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One other point, the grease nipple may infact be a bleed nipple.I would check this out first before trying to pump grease into it.

kit1958
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 Posted: Sat Sep 17th, 2011 09:21 am

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Well I guess the most important bit (getting a pass) is now done.
I just want to point out the obvious profit ,there is more profit in fitting a new unit than spending time freeing off an old one. As a part of your maintenance program I would suggest lubricating the linkage every now and then.
Your new unit will come with basic settings, so if it is OK leave well alone.
Have you thought of e-bay to dispose of your old unit?
Nissan will have settings for the load valve, if they give them out,is up to them, as with part no.

Good luck with the gardening, I find that hard !!
:)

nickbali
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 Posted: Sat Sep 17th, 2011 07:38 am

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Thank you all for your help - I was pushed into buying a new unit which really hurt -£300. However, after reading all the posts to my problem on this site I had a look at the old unit and did as one of you suggested i.e. penetrating oil and patience, and within minutes had both screws/ nuts free and also had the grease nipple off ------ so it seems to me that the mechanic just couldn't be bothered to spend any time on the unit, refitting it, another (3rd trip to the MOT station, etc, etc. All that being said, I still don't know if the valve really is knackered or not, can it be tested in any way other than refitting it back to the vehicle? -----

Nissan have been very unhelpful regarding the Part Number - they refused to give it to me - is there any other way of getting parts numbers other than from Nissan? Would Nissan give out the adjustment secs?

Also, I take it the new unit is preset and greased or do I have to grease it - I don't intend to buy another one of these units in my lifetime

 Thanks for all help and letting me ask questions even if they may sound stupid to you guys, but I am a gardener not a mechanic

Wesley
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 Posted: Tue Sep 13th, 2011 10:47 pm

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al wrote: I and you don't know from the post what the problem was I am just trying to help the guy. I haven't mot,d the car so I can't say if it is obviously incorrectly adjusted or not.
I am now wondering why I joined this forum, if everything you type to try and help out is contradicted, and nit picked



Hi al. you are indeed correct.;) and "Welcome" to the Forum. (Madhouse):P

The reading of and Interpretation of any of the "original posts" are very Important, so our first question should be, "what did it fail on?";)

It seems we can all be so easily drawn into postings, that the topic of the "original question" is totally lost in the fauna?:? 

as "bimmer" posted, don`t be put off, stick it out a bit longer, and enjoy!;)

regards, wes.:cool:

ps; have a peep at "jocks" post, and "nesetceri`s" post,:?

pps, the "rbt" readings??;)

 


Last edited on Tue Sep 13th, 2011 11:33 pm by Wesley

bimmer
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 Posted: Tue Sep 13th, 2011 07:47 pm

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this is a very helpful forum to testers and the public. don't be put off so quick. stick it out a bit longer and get to know the members. :)







Last edited on Tue Sep 13th, 2011 09:41 pm by bimmer

al
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 Posted: Tue Sep 13th, 2011 06:06 pm

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I and you don't know from the post what the problem was I am just trying to help the guy. I haven't mot,d the car so I can't say if it is obviously incorrectly adjusted or not.
I am now wondering why I joined this forum, if everything you type to try and help out is contradicted, and nit picked

Wesley
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 Posted: Tue Sep 13th, 2011 12:13 am

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al wrote: Wesley wrote:
al wrote: I take it. It's failed for being incorrectly adjusted. If so maybe a little heat applied (if possible) may free the nuts to adjust it
Hi al, please advise on the "rfr"??
1.  A valve

a.  insecurely mounted

b.  damaged or excessively weakened by corrosion.

2.  Excessive discharge of oil from a valve.

3.  Evidence that a load sensing valve has been removed or disconnected from a vehicle where it is known to have been fitted as standard.

4.  Load sensing valve with seized or defective linkage or obviously incorrectly adjusted.


4. With a linkage that is, by previous posts "free"  how do you know it is "Obviously",  "Incorrectly adjusted"?:? Are there no further "rfr`s" posted? or Rbt Results? to Confirm this?:?

3. with reference to the "original post", i`m pretty sure, it`s still present!;)

2. discharge? No cant see that one?:P

1. "b" or "a"? No can`t see them either!;) 

 

al
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 Posted: Mon Sep 12th, 2011 11:49 pm

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Wesley wrote:
al wrote: I take it. It's failed for being incorrectly adjusted. If so maybe a little heat applied (if possible) may free the nuts to adjust it
Hi al, please advise on the "rfr"??
1.  A valve

a.  insecurely mounted

b.  damaged or excessively weakened by corrosion.

2.  Excessive discharge of oil from a valve.

3.  Evidence that a load sensing valve has been removed or disconnected from a vehicle where it is known to have been fitted as standard.

4.  Load sensing valve with seized or defective linkage or obviously incorrectly adjusted.

Wesley
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 Posted: Mon Sep 12th, 2011 10:20 pm

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al wrote: I take it. It's failed for being incorrectly adjusted. If so maybe a little heat applied (if possible) may free the nuts to adjust it
Hi al, please advise on the "rfr"??

nesetceri
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 Posted: Mon Sep 12th, 2011 11:15 am

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Confused ! What is the RFR ?Load sensor arm moves freely...but the tester decides it is adjusted incorrectly ??How did he know ?Did he check manufacturers Load sensor information plate attached to the vehicle ? then he tries to adjusted it( not allowed during test or after the test without asking for your permission )can not do it because adjustment nuts-bolts seized up..then he decides to fail it..I am still confused. Go BACK AND ASK FOR AN APPEAL FORM VT 17

al
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 Posted: Sat Sep 10th, 2011 04:31 pm

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I take it. It's failed for being incorrectly adjusted. If so maybe a little heat applied (if possible) may free the nuts to adjust it

Aylesbury Jock
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 Posted: Sat Sep 10th, 2011 01:02 pm

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If the arm's not stuck, what is it failing on?

nickbali
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 Posted: Sat Sep 10th, 2011 09:33 am

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Hi - Just rang the mechanic - he said the arm's not stuck but the adjusting nuts are seized and he's used penetrating oil to no avail - So it's totally knckered?

         Thanks for replying,

                   NICK

kev1975
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 Posted: Sat Sep 10th, 2011 08:30 am

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is it totally knackered ??
sometimes it is just the arm that is stuck , bit of penetrating oil & a bit of patience can get them moving again .

nickbali
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 Posted: Sat Sep 10th, 2011 08:03 am

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Does anyone know where I can get my compensator valve reconditioned? I am a pensioner and only use my truck for my 2 allotments -it has failed the MOT and the Nissan dealer wants £310 for a new one ( Japparts want £270 for a reconditioned unit, hence my request)

              NICK :)


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