ABS cutting in at low speed

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Dr-Al
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Re: RE: Re: RE: ABS cutting in at low speed

Post by Dr-Al » Tue Nov 28, 2006 10:58 am

grizz wrote:I've fitted 4 rear cv's this month , all of them on the o/s rear !
Creepy. That's the one I just had changed.

I think the o/s front is gone as well. It's hard to tell because it comes up through the pedal, so your brain is always going to think it is this one playing up.

I got my wife to listen very carefully to where the noise was coming from. It took several attempts, but she is also convinced it is coming from the front o/s.

I'm booking it in to get it looked at.

Grizz - Is the procedure the same for the fronts?
Wrecked on 9 Oct 2007: 1998 Cactus Green S4, 710N DVs, Boost gauge (in custom A-pillar/dash mounting pod), cruise control retro-fit, Parrot 3200 Colour Hands Free, RS246.com sticker

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SimonS4MTM
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RE: Re: RE: Re: RE: ABS cutting in at low speed

Post by SimonS4MTM » Tue Nov 28, 2006 2:47 pm

Maybe because it is at the rear of the car and gets more crud on it, and is the oposite side to the exhaust which dries the NS quicker.
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Dr-Al
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Post by Dr-Al » Tue Nov 28, 2006 3:13 pm

:bash: :bash: :bash: and double :bash:

I just went to pay the bill for the cv joint change and I told the mechanic that I would like the front offside looking at because it was still doing it. I mentioned that I thought it was odd for 2 to go at the same time, especially 2 on the same side of the car.

He said "What do you mean? I changed the rear nearside one"

Doh! He got the wrong one!

These are exchange parts, and the old one has gone back, so it'll cost me for a new one. To his credit, he has offered to do the right one with no labour charge, so I guess I can't complain too much.

He did say that the one he took off looked in a bad way with scuffs and scrapes on the ring, so he had no cause to question if he had the right one. I guess the nearside one would have gone eventually, so it's not too bad that it's been done.
Wrecked on 9 Oct 2007: 1998 Cactus Green S4, 710N DVs, Boost gauge (in custom A-pillar/dash mounting pod), cruise control retro-fit, Parrot 3200 Colour Hands Free, RS246.com sticker

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SimonS4MTM
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Post by SimonS4MTM » Tue Nov 28, 2006 3:28 pm

Do you have to buy the CV joint, cant you just get a new sensor ring?
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Dr-Al
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Post by Dr-Al » Tue Nov 28, 2006 3:47 pm

SimonS4MTM wrote:Do you have to buy the CV joint, cant you just get a new sensor ring?
I'll be really pissed if you can. I got 2 quotes for the work and both of them agreed that the ring is firmly attached to the joint. One guy quoted on the basis of a detachable ring :shock:, but he called me later to say that the ring is not for sale on its own.

My local mechanic charged me about £80 plus VAT for an exchange rear CV joint.
Wrecked on 9 Oct 2007: 1998 Cactus Green S4, 710N DVs, Boost gauge (in custom A-pillar/dash mounting pod), cruise control retro-fit, Parrot 3200 Colour Hands Free, RS246.com sticker

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Post by SimonS4MTM » Tue Nov 28, 2006 4:25 pm

Great, not what I wanted to hear.
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Post by SimonS4MTM » Wed Nov 29, 2006 4:25 pm

Update for you all.

Tired to log wheel speeds with VAGCOM, but it appears to loose coms after about 20kph, so that is a no-go.

My next plan it to log straight from the CAN line, I just need to wait for someone from the office to return from a test in Italy with our test equipment. I will let you know how I get on.
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Re: ABS cutting in at low speed

Post by SimonS4MTM » Wed May 17, 2017 8:43 pm

Been 11 years but just realised I had not updated on this.

Vagcom would show a lower wheel speed on the rear left at low speeds only. Turned out that the ABS ring on the rear left was corroded. A new CV joint/hub, can't recall which fixed the problem,
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| S4 - B5 | Ebony Black | Seit 2002 |

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daytonamart
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Re: ABS cutting in at low speed

Post by daytonamart » Wed May 17, 2017 9:18 pm

Epic, epic thread resurrection.
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Current C6 A6 Avant Silver TDi S line snotter
Gone B7 RS4 Sprint Blue Avant
Gone 8P A3 Sportback Reflex Silver
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