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ABS 2 Unit Transplant - Done

 
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grant93
Flying Brick Rider


Joined: 23 Mar 2013
Posts: 238
Location: Victoria - Australia

PostPosted: Wed Apr 23, 2014 9:56 pm    Post subject: ABS 2 Unit Transplant - Done Reply with quote

Gidday Folks,

So I purchased last year a "working" ABS 2 unit /controller off ebay here in Oz because it was cheap $150.00 and I thought "why the hell not" because of the on going issue that haunts me with my rear wheel sensor and I just might need it one day.

WELL I feel that day has come folks and is staring me in the face!

But first a quick run down on the bike to date as a refresher:

Purchase March 2013
8th month 1993 K1100LT
154,000kms.
Cleaned and repaired and is now registered and running lovely.

BUT

The rear sensor fault keeps on coming up when I do a fault code check.
Always have had the flashing alternating dash lights on start up.
Have ridden 1000kms with them flashing one weekend to self sort but nothing.
Had the rear wheel off many many times and checked spacer thickness.
Tried 3 rear wheel sensors.
Full charged the battery and it checked at the local battery guy.
Rear sensors always have a slight pulse reading (check by auto electrician)
Last weekend I done away with the connector near the side panel and hard wired (soldered) the rear sensor wire, just see if the connector was at fault, no difference.

So this weekend I want to swap over the main controller ABS 2 unit under the seat.

Is this hard to do? do you have any "walk through" type info for the job?

Many thanks once again for any feedback received.
_________________
Cheers Grant

1994 K1100RS
1981 R100RS
1978 R100RS
1928 Chevrolet tourer

www.montythe1928chevrolet.blogspot.com.au


Last edited by grant93 on Sun Apr 27, 2014 4:19 pm; edited 2 times in total
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Alan Walker
Brick Rider


Joined: 26 Jul 2011
Posts: 32
Location: Tulsa, OK

PostPosted: Thu Apr 24, 2014 10:16 pm    Post subject: Reply with quote

Grant,
I assume you are talking about replacing the ABSII Servo Controller, the one thing to remember is the sliding cover on the rear that gives you access to the wire connections. This cover has a small hole in the upper end that you will need to push a pin punch or small drill bit in, in order to release the cover, it will slide up when depressed properly. Also you will more than likely need a pressure pot bleeder in order to bleed the rear brakes properly. I was able to bleed my rear brakes once with the vacuum bleeder, after that it never wanted to bleed out so I purchased a pressure pot, now it never takes more than 5 minutes. Also there is one Torx bolt that attaches the Servo to the tray on the aft end that is easy to forget. Hope everything works out well for you. Cheers!
_________________
95 K1100LT Current ride
05 Suzuki DL650 sold
86 Honda Nighthawk 450 sold
76 Honda CB400F sold
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grant93
Flying Brick Rider


Joined: 23 Mar 2013
Posts: 238
Location: Victoria - Australia

PostPosted: Fri Apr 25, 2014 2:14 am    Post subject: Reply with quote

Gidday Folks,

Thanks for the info Alan to btw Smile

Well I swapped over the main unit, bloody easy job when you get into it, bled up the brakes then hit the key and for the first time in 13 months the ABS2 dash light flashed together.

I quickly reached for my lid and threw it on the head and with the normal few feet of movement down the driveway the lights stops flashing as I heard a strange noise of something working which went away just as quickly as it came.

It all works great, they are fantastic out on the road and I cannot believe how amazing the stopping power is with them operational, even with the ABS not working these K's have great brakes but bear in mind that I came from an old 1981 R100rs Smile

Many thanks to you all for you patience over the last 12 months as I have tried many different things and it was the main brain/controller all along.

Now I just have to get used to them.
_________________
Cheers Grant

1994 K1100RS
1981 R100RS
1978 R100RS
1928 Chevrolet tourer

www.montythe1928chevrolet.blogspot.com.au
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA

PostPosted: Fri Apr 25, 2014 2:29 am    Post subject: Reply with quote

Alan Walker wrote:
Grant,
I assume you are talking about replacing the ABSII Servo Controller, the one thing to remember is the sliding cover on the rear that gives you access to the wire connections. This cover has a small hole in the upper end that you will need to push a pin punch or small drill bit in, in order to release the cover, it will slide up when depressed properly. Also you will more than likely need a pressure pot bleeder in order to bleed the rear brakes properly. I was able to bleed my rear brakes once with the vacuum bleeder, after that it never wanted to bleed out so I purchased a pressure pot, now it never takes more than 5 minutes. Also there is one Torx bolt that attaches the Servo to the tray on the aft end that is easy to forget. Hope everything works out well for you. Cheers!


I installed a rear SS line on my 94 a couple of years ago and was able to fill it back up without using anything other tools than gravity and a box wrench.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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