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No reprogramming needed, it relies upon the pressure sensor to bring it into play and to cut out when the pressure is held in the system. Something is not holding the pressure in the block.
1996 RR 4.0 SE hard to stop, pump keeps running
- Thread starter Rover9676
- Start date
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Unless nanocom has a brake bleed feature?
Yes. It was stopping just fine then one day my son drove it and said breaks went to floor to stop. Then I bought a pressure switch and changed it, same issue. Then I bought another abs pump with an accumulator and pressure switch. Before removing the original abs pump I just switched the accumulator, same issue. I then swapped the original abs pump and accumulator with the purchased abs pump and accumulator, same issue. Which is why I was trying to get an answer to this,
I am curious no one has answered this question, does the changing the abs pump ever require an analyzer/be reprogrammed to bleed air out of the system?
Thank you
What's nanocom?
- Posts
- 19,297
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- Buckinghamshire, UK. ('95 DT)
I have heard stories of the brake pedal going to the floor when a plastic part in the modulator breaks. A guy in Australia used to make stainless steel replacements but I am not convinced it is a design flaw, more bad luck. I took a modulator apart and it wasn't easy. Better just get one off the Bay.
- Posts
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Diagnostic equipment from Black Box Solutions. ABS module doesn't do much.
Just so I'm following the block and modulator are the same correct?
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- 19,297
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- Buckinghamshire, UK. ('95 DT)
The modulator is the square thing under the reservoir bolted to the bulkhead which the brake pedal is connected to and the brake pipes come out of.
Got it! So the modulator and the block are referred to as the same thing.
- Posts
- 19,297
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- Buckinghamshire, UK. ('95 DT)
There are 3 types and 3 ABS ECU types to control them. You cannot mix and match. The later 4W traction control is way more expensive.
How do you know which?
How do I know if Traction control is 2W or 4W?
brianp38dse
Well-Known Member
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4wheel traction control came out in 99 on cars, yours being a 96 may not even have any traction control.
the anr number on the modulator will tell us.
the anr number on the modulator will tell us.
brianp38dse
Well-Known Member
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if my memory is right no tc is anr2238 2w tc is anr2239 and 4w tc is stc?????
Last edited:
- Posts
- 19,297
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- Buckinghamshire, UK. ('95 DT)
RangeRoller dt
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Think the nanocom does have a self-bleed operation, dunno if it’s only certain Wabco
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No bleed function on Nanocom.
RangeRoller dt
Well-Sprung Member
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Late one for you, no whiskey or you over do it on the blue pills again? 
You know they give you heartburn
You know they give you heartburn
