OK IM BACK AGAIN , 3 Amigos NOT ABS Modulator Shuttle Valve???

[rob tilbury]

3 Amigos NOT ABS Modulator Shuttle Valve???

while i was waiting for the gearbox to show up i changed out the shuttle valve as when i held the brake hard for 3 or 4 seconds the 3 amegos would show and not go out till i switched off ,
Always when stopped ,
Any how new disks all round new pad and full fluid flush ,,,,
So to her out for a run thought while i was stopped i would put the brakes on hard while stoppEd ,,,,, BING BING BING

THERE BACK


ANY IDEAS ??

THIS CAR IS STARTING TO GET ON MY NERVES NOW

[ozscott]

Quite possibly broken PCB in modulator

[rob tilbury]

Quite possibly broken PCB in modulator

Thanks but was after a i would put money on a ???



cheers

[sierrafery]

When the SVS's are starting to make tricks it's rarely that so called "repair kit" switch pack at fault, the problem is within the modulator where internal contacts are going bad so the real fix for that is to replace the whole SVS assy(the expensive one) which will last for more 10+ years like the original or to do the wiring mod "option B" which is permannent...provided the stored fault code is SVS related cos that's compulsory.... so better read the fault codes before you go further cos there can be many reasons for that intermittent behaviour even though the SVSs are the most common

[rob tilbury]

When the SVS's are starting to make tricks it's rarely that so called "repair kit" switch pack at fault, the problem is within the modulator where internal contacts are going bad so the real fix for that is to replace the whole SVS assy(the expensive one) which will last for more 10+ years like the original or to do the wiring mod "option B" which is permannent...provided the stored fault code is SVS related cos that's compusory.... so better read the fault codes before you go further cos there can be many reasons for that intermittent behaviour even though the SVSs are the most common

GOTA KNOW WHEN TO HOLD EM
KNOW WHEN TO FOLD EM ,,,
KNOW WHEN TO WALK AWAY KNOW WHEN TO
"GET THE GRINDER OUT "

CHEERS ALL
as a english man i should have known better ..


dont have a code reader but do have 20 ltrs of petrol and a lighter ,,,,
sounds like this will be a $7000 write off as not messing with it much more ,,, cheers guys ,,, will go buy a landcruiser i think ,,,,,

think its time to cut the roof off and make it a shooting truck for the farm ,,,, spent $3000 in the last 2 weeks ,,,

thats life . cheers all

[rob tilbury]

When the SVS's are starting to make tricks it's rarely that so called "repair kit" switch pack at fault, the problem is within the modulator where internal contacts are going bad so the real fix for that is to replace the whole SVS assy(the expensive one) which will last for more 10+ years like the original or to do the wiring mod "option B" which is permannent...provided the stored fault code is SVS related cos that's compusory.... so better read the fault codes before you go further cos there can be many reasons for that intermittent behaviour even though the SVSs are the most common

what is a SVS ?

[sierrafery]

Shuttle Valve Switch

[alien]

As has been said ideally it needs to have the codes read.
It could be anything from a wheel sensor through to the ABS pump.

If your convinced it's shuttle switch related check the earths behind the LH headlamp.
You've done the SVS (shuttle valve switch).
The next most common thing is the the circuit board cracking or connections , as has been said.
This where option B comes in as a bypass.

Have look at the links in here from The Good Oil...
http://www.aulro.com/afvb/good-oil/34321-electronic-driver-aids-including-3-amigos-abs-t-c-h-d.html

[rob tilbury]

Shuttle Valve Switch

new shuttle valves ,, also no fluid leaks

[sierrafery]

new shuttle valves ,, also no fluid leaks

You quoted my previous post two times so i presumed you read it cos i read your's and thought that you replaced the cheap SHUTTLE VALVE SWITCH pack so called "repair kit"(SWO500030) which as i said is not a cure in most cases... maybe i misunderstood and you replaced the whole SHUTTLE VALVE ASSY (SWO500040) which i doubt then you can blame yourself that you did it without reading the fault codes first cos that's the way to fix things...just google out those part numbers and you'll see what i mean, the explanation is here https://www.landyzone.co.uk/land-rover/necessity-of-the-mod-svs-fix-wiring-mod-option-b-graphic-explanation.272156/

[rob tilbury]

You quoted my previous post two times so i presumed you read it cos i read your's and thought that you replaced the cheap SHUTTLE VALVE SWITCH pack so called "repair kit"(SWO500030) which as i said is not a cure in most cases... maybe i misunderstood and you replaced the whole SHUTTLE VALVE ASSY (SWO500040) which i doubt then you can blame yourself that you did it without reading the fault codes first cos that's the way to fix things...just google out those part numbers and you'll see what i mean, the explanation is here https://www.landyzone.co.uk/land-rover/necessity-of-the-mod-svs-fix-wiring-mod-option-b-graphic-explanation.272156/

I changed out the SHUTTLE VALVE ASSY (SWO500040)

[sierrafery]

Why, were there SVS related fault codes stored in the ECU?..., and was the unit bran' new? if yes for both questions and the SVS fault codes are still there you'll have to check the earths and the circuit between the ECU and SVS output

[Nomad9]

Hi Rob,
Don't give up, try the connections at each wheel. I had a couple of dodgy ones so I have now soldered them up. When they break I'll fit long cable ABS sensors back to the module.
Mt three Amigos came on once or twice every three months, always the back left hand sensor connection, soldered it up so far so good.

You can go over to Toyota however the people aren't the same, been there done that, with my Toyota it was the O2 sensors, had no end of problems with the engine light being on all the time. Sold that came back to Land Rover, you'll be back...... Hopefully without the fuel and the matches.
You could always take the globes out, that would be a cheap fix....
Cheers Marty

[Pedro_The_Swift]

None of these problems are new,,
since the first post on AULRO there have been 3Amigo problems,, and the fix for all of them is in here,,
you just need to do your research before spending any more,, Option B will cost you ZERO $$,, and at this stage its either a code scan or that. The four wheel sensors can fail (for some reason its the fronts mainly) but can be tested easily by yourself at ZERO cost.
Just keep picking away at it,, :D

If Land Rovers were perfect this would be a very small Forum--;):D

[lewy]

since the first post on AULRO there have been 3Amigo problems,,Out of interest what was the first post

[stevo]

That would be going back 15 years plus, I think I was one of the 1st to do the option "B" repair never had a problem with modulator since but have done 4 wheel speed sensors since.

[Pedro_The_Swift]

and you saved an awfull lot of AULROians an awfull lot of money by posting about it.

:clap2::cool:

[stevo]

That is the good thing about this site, it can save you a lot of money and landy owners do tend to try things out and if it works pass the info on.

In some cases if we stuff up also pass it on too so others learn from our stuff ups

[Nanna Truck]

Rod
Have 10 litres and a couple of lighters on hand that may help your cause!!!!.
In the meantime see if you can get someone to read the codes for you. If it comes up with "Ground or reference ground fault" it is more than likely a card fault. Replacing the Shuttle valves will not help. Option B is then the cheap and quick solution to a frustrating problem. Read up thoroughly on Stevo's solution, get yourself a Multimeter and with the ABS unit on the bench, test for continuity between the shuttle valves and relevant plugs described in option B.
In my case the earth wire card connection was at fault. With the shuttle valve holding screws loose the fault went away (No pressure on the card). Did not cut the wires, just bared them and soldered the additional ones in. The outside pin on the shuttle valve is the earth (test with your multimeter). A couple of $ for a connector and a few hours removing, repairing and replacing the ABS will solve the problem.
Then get your nifty brake bleeder out and have fun getting the air out.
best of luck with your "truck".
Regards
Harry

[Pedro_The_Swift]

since the first post on AULRO there have been 3Amigo problems,,Out of interest what was the first post

Lewy? you mean the actual first post on AULRO?
or the first on our 3 little buddies?;)

I think both will have been lost to hackers, we had a bad run very early on and Inc spent much effort rebuilding the site time after time,, all posts lost, :(

[lewy]

since the first post on AULRO there have been 3Amigo problems

:Dhmmm,Could it be that the first post on AULRO caused the Amigo problem

[Pedro_The_Swift]

Inc stands up for a lot of things,,

I doubt he'll accept blame for the 3 Amigoes:D:D:D