» Site Navigation | | » Recent Threads | | looove 04-16-2024 01:18 PM 04-16-2024 01:18 PM 0 Replies, 1,646 Views | | | | | 08-30-2009, 11:11 PM | #1 | Member Join Date: Jul 2009 Location: Arizona Posts: 69 | ABS light... Location of Control Unit? I recently went through and put new OEM quality pads and rotors on all 4 wheels because I had both the ABS and the Pad wear lights... I still have the pad wear light, and also the ABS light.. While changing the brakes, I cleaned all the sensors with electric parts cleaner . This didnt make a difference... What im wondering now is regarding the abs.. Where is the control unit located? Is it wise to unplug it, clean it, and plug it back in in hopes that it works and clears the light? Or should I get new sensors and just hope that does the trick? I know the control unit is expensive, but ive found a few for less than 100.00 used.. would it be wise to get new sensors anyways, and if that doesnt work then to look to change the control unit? also with the pad wear light still on, I did not bleed the brakes. Could this possibly solve the pad wear light issue? thank you for any information ! Im learning more about these cars everyday, slowly starting to get my Clubsport back to perfect stock form. Anthony | | | 08-30-2009, 11:17 PM | #2 | Senior Member Join Date: Nov 2004 Location: Minneapolis Posts: 1,587 | Did you test all the wheel speed sensors with an ohm meter yet? | | | 08-30-2009, 11:22 PM | #3 | Senior Member Join Date: Sep 2007 Location: asdfasdf Posts: 10,002 | you might need to replace the pad wear sensors, bavauto sells them I believe | | | 08-30-2009, 11:49 PM | #4 | Member Join Date: Jul 2009 Location: Arizona Posts: 69 | Quote: Originally Posted by CirrusSR22 Did you test all the wheel speed sensors with an ohm meter yet? | nope, was hoping a good ole cleaning would do the trick. I actually dont own a meter, but I intend to buy one. After "vacation" this weekend ill pick one up. | | | 08-30-2009, 11:50 PM | #5 | Member Join Date: Jul 2009 Location: Arizona Posts: 69 | Quote: Originally Posted by tiFreak you might need to replace the pad wear sensors, bavauto sells them I believe | sucks, I was thinking that too. Oh well, whats another 80-100 bucks.. | | | 08-30-2009, 11:58 PM | #6 | Senior Member Join Date: Sep 2007 Location: asdfasdf Posts: 10,002 | actually, they're only $10 each, and you only need 2, left-front and right-rear | | | 08-31-2009, 12:01 AM | #7 | Member Join Date: Jul 2009 Location: Arizona Posts: 69 | Quote: Originally Posted by tiFreak actually, they're only $10 each, and you only need 2, left-front and right-rear | I was under the impression there were 4 pad wear sensors, and only 2 ABS sensors? ABS driverside front, and passenger rear.. dont all 4 wheels have pad wear sensors? If not, what is that little black sensor wire going from my brakes to the inside wheelwell that I can unplug and plug and connects to my brakepad? maybe im just backasswards? Last edited by xunearthhxcx; 08-31-2009 at 12:04 AM. | | | 08-31-2009, 12:11 AM | #8 | Senior Member Join Date: Jun 2003 Location: Greenville, SC Posts: 9,356 | Quote: Originally Posted by xunearthhxcx maybe im just backasswards? | Ah you said it, not I. Each wheel has an ABS sensor. Only 2 brake pad sensors. __________________ ...steven BMW CCA #146825 1996 BMW 328ti • 2003 MINI Cooper S • 2016 M235i www.bmwcca.org | | | 08-31-2009, 01:11 AM | #9 | NOBODY F's with the Jesus Join Date: Oct 2006 Location: Ventura California Posts: 7,824 | Quote: Originally Posted by 1996 328ti Ah you said it, not I. Each wheel has an ABS sensor. Only 2 brake pad sensors. | +1 4 ABS sensors (each wheel) 2 Pad wear sensors (driver front, passenger rear) Rear ABS sensors should come out with a gentle prying, fronts will more than likely break and/or become destroyed trying to remove them. Your best bet trying to remove the front ABS sensors is to remove the calipers and brake rotors, remove the hub nut dust cap, remove the hub nut, remove the wheel bearing/hub, remove brake dust shield, remove ABS sensor allen bolt, place a deep set socket over the end of the sensor and carefully tap it back through the kingpin/spindle. Chances are you'll still end up destroying them, so be prepared to purchase new ones. | | | 09-01-2009, 05:38 AM | #10 | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 | Make that 3 ABS sensors, 1 on rear diff, one on each front wheel. At least thats whats on my 95.... Pad wear sensor are a visual inspect you don't need a ohm meter, if the little metal loop is worn through its shot. Dave __________________ Dave - PDX 1995 318ti - Active Black and Tan. 2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | 04-12-2012, 01:33 AM | #12 | Junior Member Join Date: Mar 2012 Location: Ontario Posts: 17 | ABS 177 I also have the ABS light on I ran a diagnostic and got 177 fault valve load circuit fuse anybody have any idea how to solve this? | | | | Currently Active Users Viewing This Thread: 2 (0 members and 2 guests) | | Posting Rules | You may not post new threads You may not post replies You may not post attachments You may not edit your posts HTML code is Off | | | |