at my wits end with abs issues

drewsta82 · 19th October 2015, 19:54

After months of changing, cleaning and renewing parts on the brakes ... yesterday I changed the entire hub for a used one with a wheel bearing and sensor attached. Went for a drive and yippee light went out!!!! Seconds later back on. Now I've chanced all wheel bearings for oem and same goes for sensors ( no ebay ****) ... abs pump... I did have a problem with my wire foe my speedo but all sorted. I truly truly truly am peed off. I have no idea or money to put it right .... and mot is due end of the month.

Stickman · 19th October 2015, 20:01

Maybe you would do well to get yr nearest t4 man on the case buddy
Possibly save time in the long run
Regards
Chris

freddie bosewell · 19th October 2015, 20:19

If it were my car, I wouldn't throw money at it, I have learned this the hard way. Get the car to TS Autos, T4 will sort the source of the problem.

RogerHeinz57 · 19th October 2015, 20:30

My 75 gave me the run around when I first got it, Phil T-4 gave me some sound advice, took this, tried it and it seemed beyond me at the time. Phil came over one day, put on his box of tricks and this gave us the clues we needed. He also verified the results and showed me a few techniques for doing some checks with some wiring loom and abs plugs to identify which bearing was the dead one, or in my car's case - Both

Ended up with both front wheel bearings and sensors replaced, and all has been good ever since.
A T-4 session should bring closure to the problem source for you.
JohnH.

Chuckles · 20th October 2015, 04:34

Check your CAN BUSH wiring. Twisted pairs on the plugs to the units also plug and sockets of all parts. Damp plays hell with these connections

Mike Noc · 20th October 2015, 06:44

Have you checked all the ABS sensors with a voltmeter as suggested here?

http://www.the75andztclub.co.uk/foru...d.php?t=219368

The ABS system is best diagnosed before changing parts - ideally with a T4, but a few simple checks with a voltmeter can identify the majority of common faults.

This is a front hub being tested prior to fitting:

[IMG]

[/IMG]

The white extension cable has been made up from some old speaker wire and a scrap ABS plug and socket which saves pinning through the ABS cable insulation, and can be used to connect any ABS sensor to the OSF to use the speedometer as a diagnostic.

As each magnetic segment passes the ABS sensor the voltage changes from 0.7v to 1.7v. If you jack each wheel up in turn and slowly rotate it then mark with chalk on the tyre any missed segments.

If the missed segments are random, then likely a sensor issue or the air gap between it and the magnetic reluctor ring may be too big.

If the segments are missed at the same point on the tyre each revolution then likely the reluctor itself is damaged.

You can also check all the wiring for continuity.

coab · 20th October 2015, 07:08

A diagnostic check will pin point the new fault. Get it plugged in and it stops the guess work.

tourer · 20th October 2015, 11:17

Quote:

Originally Posted by freddie bosewell

If it were my car, I wouldn't throw money at it, I have learned this the hard way. Get the car to TS Autos, T4 will sort the source of the problem.

Could not agree more but Jules said the other day that Terry (TSAUTOS) has almost retired.

MangoMan · 20th October 2015, 15:09

The was/is a Member on here (TINPIN) that had the same issues with his R75 and he eventually scrapped it after trying quite a few things to correct the issue, but gave up.

I bought quite a bit of stuff of him at the time, as he was local to me. He replaced it with a red facelift, here on the left of photo.

This is my son getting the wheels of it for his R75...

drewsta82 · 21st October 2015, 19:49

Abs went off today for a full 10 minutes... then came back on and every time I press the brakes... abs kicks in. Couldn't even drive to work it was that dangerous. Think it's time for some pertol and a match.......

19th October 2015, 19:54	#1
drewsta82 Gets stuck in mg zt-t+ 2.5 v6 177 bhp Join Date: Jan 2013 Location: Back in yam yam land... West Bromwich! Posts: 824 Thanks: 413 Thanked 61 Times in 52 Posts	at my wits end with abs issues After months of changing, cleaning and renewing parts on the brakes ... yesterday I changed the entire hub for a used one with a wheel bearing and sensor attached. Went for a drive and yippee light went out!!!! Seconds later back on. Now I've chanced all wheel bearings for oem and same goes for sensors ( no ebay ****) ... abs pump... I did have a problem with my wire foe my speedo but all sorted. I truly truly truly am peed off. I have no idea or money to put it right .... and mot is due end of the month.

20th October 2015, 04:34	#5
Chuckles Gets stuck in NOW a Club Tourer was 1999 - 75 2.0Ltr Connoisseur SE petrol Saloon Join Date: Jan 2012 Location: Iwerne Minster, Dorset Posts: 552 Thanks: 63 Thanked 54 Times in 47 Posts	Check your CAN BUSH wiring. Twisted pairs on the plugs to the units also plug and sockets of all parts. Damp plays hell with these connections __________________ Chuck Nth. Dorset. UK Membership #1896 Don't take life so seriously.... it is not permanent!

20th October 2015, 06:44	#6
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,548 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Have you checked all the ABS sensors with a voltmeter as suggested here? http://www.the75andztclub.co.uk/foru...d.php?t=219368 The ABS system is best diagnosed before changing parts - ideally with a T4, but a few simple checks with a voltmeter can identify the majority of common faults. This is a front hub being tested prior to fitting: [IMG][/IMG] The white extension cable has been made up from some old speaker wire and a scrap ABS plug and socket which saves pinning through the ABS cable insulation, and can be used to connect any ABS sensor to the OSF to use the speedometer as a diagnostic. As each magnetic segment passes the ABS sensor the voltage changes from 0.7v to 1.7v. If you jack each wheel up in turn and slowly rotate it then mark with chalk on the tyre any missed segments. If the missed segments are random, then likely a sensor issue or the air gap between it and the magnetic reluctor ring may be too big. If the segments are missed at the same point on the tyre each revolution then likely the reluctor itself is damaged. You can also check all the wiring for continuity.

20th October 2015, 15:09	#9
MangoMan This is my second home Looking.... Join Date: Oct 2010 Location: England Posts: 10,911 Thanks: 862 Thanked 1,111 Times in 868 Posts	The was/is a Member on here (TINPIN) that had the same issues with his R75 and he eventually scrapped it after trying quite a few things to correct the issue, but gave up. I bought quite a bit of stuff of him at the time, as he was local to me. He replaced it with a red facelift, here on the left of photo. This is my son getting the wheels of it for his R75... __________________ *Regards, Bill - (MangoMan).* (Member 00854) http://i1110.photobucket.com/albums/...d.jpg~original

19th October 2015, 20:01	#2
Stickman Posted a thing or two Rover 75 saloon Join Date: Nov 2012 Location: Bordon Posts: 1,856 Thanks: 250 Thanked 403 Times in 352 Posts	Maybe you would do well to get yr nearest t4 man on the case buddy Possibly save time in the long run Regards Chris

19th October 2015, 20:19	#3
freddie bosewell Avid contributor MG6 Join Date: Sep 2013 Location: wednesbury Posts: 153 Thanks: 60 Thanked 20 Times in 19 Posts	If it were my car, I wouldn't throw money at it, I have learned this the hard way. Get the car to TS Autos, T4 will sort the source of the problem.

19th October 2015, 20:30	#4
RogerHeinz57 I really should get out more....... A Reasonably Priced Car Join Date: Jan 2014 Location: Burton Latimer Posts: 2,530 Thanks: 408 Thanked 1,064 Times in 712 Posts	My 75 gave me the run around when I first got it, Phil T-4 gave me some sound advice, took this, tried it and it seemed beyond me at the time. Phil came over one day, put on his box of tricks and this gave us the clues we needed. He also verified the results and showed me a few techniques for doing some checks with some wiring loom and abs plugs to identify which bearing was the dead one, or in my car's case - Both Ended up with both front wheel bearings and sensors replaced, and all has been good ever since. A T-4 session should bring closure to the problem source for you. JohnH.

20th October 2015, 07:08	#7
coab This is my second home 2007 57 GOLF GTi EDITION 30 DSG Join Date: Nov 2011 Location: Newport Shropshire and Coventry. Posts: 5,138 Thanks: 2,424 Thanked 1,452 Times in 852 Posts	A diagnostic check will pin point the new fault. Get it plugged in and it stops the guess work.

21st October 2015, 19:49	#10
drewsta82 Gets stuck in mg zt-t+ 2.5 v6 177 bhp Join Date: Jan 2013 Location: Back in yam yam land... West Bromwich! Posts: 824 Thanks: 413 Thanked 61 Times in 52 Posts	Abs went off today for a full 10 minutes... then came back on and every time I press the brakes... abs kicks in. Couldn't even drive to work it was that dangerous. Think it's time for some pertol and a match.......