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Intermittent 3 Amigos

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Old 02-09-2012, 03:51 PM
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Default Intermittent 3 Amigos

While I'm at it, I may as well post about this problem, too.

I get the tres amigos intermittently. Many times, after starting, everything is fine. Eventually (it seems), I'll get the not so assuring ding and the 3 amigos lights will light up. Sometimes a restart fixes it (only to return eventually), sometimes it doesn't.

I know some of the causes of the 3 amigos but all of the things I know of are NOT intermittent failures. Anyone got any ideas on what I should look at? I'd like to (eventually) fix this.

Thanks.
 
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Old 02-09-2012, 03:53 PM
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You need to read the codes. The shuttle valve switch can cause intermittent issues. Other things can too.
 
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Old 02-09-2012, 03:59 PM
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Originally Posted by jafir
You need to read the codes. The shuttle valve switch can cause intermittent issues. Other things can too.
I've tried that but not getting any codes??? Unless it doesn't store those codes as I haven't been able to check when I actually have the 3 amigos (they are fast and wilely...).
 
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Old 02-09-2012, 04:24 PM
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Shuttle valve more than likely. Mine did the same.
 
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Old 02-09-2012, 04:29 PM
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Originally Posted by GadgetRick
I've tried that but not getting any codes??? Unless it doesn't store those codes as I haven't been able to check when I actually have the 3 amigos (they are fast and wilely...).
You'll need a "special" code reader.

http://www.rswsolutions.com/

Hawkeye Diagnostic Tool For Land Rovers

Blackbox Solutions Ltd - Designers and manufacturers of the best vehicle diagnostic tools.
 
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Old 02-09-2012, 05:23 PM
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Ugh. That ain't happening.

Just have the regular old OBDB reader.
 
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Old 02-09-2012, 05:24 PM
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Originally Posted by Street Wolf
Shuttle valve more than likely. Mine did the same.
Is that something which a, barely comfortable wrencher like myself can fix/replace?
 
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Old 02-09-2012, 05:36 PM
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Originally Posted by GadgetRick
Is that something which a, barely comfortable wrencher like myself can fix/replace?
It's easier than changing oil.

Go here, you can see how to remove the shuttle valve and do "Option B" fix to your new one before installing it. Don't remove the whole ABS unit, just unbolt it from the vehicle and hoist it up enough to get to those three little allenhead screws underneath that hold the shuttle valve in place.

ABS Mod - LAND ROVER CLUB V.I.

Idea on how to hoist the ABS unit up to allow you to remove the shuttle valve from underneath-
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New shuttle valve with the "Option B" fix done before installing-
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Old 02-09-2012, 05:51 PM
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Originally Posted by Street Wolf
It's easier than changing oil.

Go here, you can see how to remove the shuttle valve and do "Option B" fix to your new one before installing it. Don't remove the whole ABS unit, just unbolt it from the vehicle and hoist it up enough to get to those three little allenhead screws underneath that hold the shuttle valve in place.
Awesome! Thanks for the info! Gotta make some time either this weekend or next and do this.

I really appreciate your help.
 
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Old 02-09-2012, 06:34 PM
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Do option b and call it a day. It took me about 1.75hr to complete. The hardest part is getting the bolts loose under the modulator.
 


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