How To Replace Speed/ABS Sensor on Audi A7 4G & Audi A6 C7
ฝัง
- เผยแพร่เมื่อ 27 ม.ค. 2021
- In this video I am changing a rear right wheel speed sensor (also known as ABS sensor) on an Audi A7 4G 2012 S-Line. The process is identical on Audi A6 C7, and very similar on Audi A1, A3, A4, A5, A8 and Volkswagen vehicles. The intention is to show viewers how to change or replace the speed/ABS sensor and not spend a fortune in the dealership.
Faults indicating the sensor fault can be:
- Start/Stop system fault
- Stabilisation program and ABS fault
- TPMS or tyre pressure system fault
- Parking brake fault
- Abnormal automatic transmission operation
- Speedometer malfunction
- Check engine light comes on
- Cruise control does not work
I have paid just over £20 for a new sensor instead of spending hundreds of pounds in the dealership. That said I hope this video will be helpful.
Genuine part numbers for the sensor used: 4E0927803F, 4E0927803D, 4E0927803A, 4E0927803F, 4E0927803D, 4E0927803F, 4E0927803F, 4E0927803D, 4E0927803A
Link to carparts-pros website:
www.carparts-pros.com/
How to scan your car for faults with VCDS/car diagnostic tool:
www.ross-tech.com/vcds/tour/a...
Please feel free to check my other DIY videos on cars, home and electronics.
#DIYitALL
Thanks very much for your time. - แนวปฏิบัติและการใช้ชีวิต
Indeed very helpful, THANK YOU!
I was having this issue on my Audi A6
Just what i needed. Thanks!
Mate thanks for the video
Thank you, just the job 👍
Thanks❤
Yes, helpful 😊
This ABS sensor is tapering inside. How did you get rid of its thin part?
What does it mean when the parking brake, power steering , ABS, ECS , TPMS and adaptive lights fault comes up and the problem is that it goes on and goes off by own when driven for sometime what's the problem in this? I own 2017 AUDI Q3 35 TDI technology.
It is this fit on a6 c7 2014 also?Can you please send me the part number?
Hi, I recently changed the wheels from 18 zoll to 20 zoll.
And now the digital tachometer is always locked at 60kmh, instead of the analog one working normally.
Can it be related to the ABS sensor? Or the fact that I put bigger wheels?And CheckEngine is on.
Thanks
Hi,
Thanks for your comment.
I am not an expert, but your issue does not sound like it's related to the change of wheels, nor ABS sensors.
Best thing to do would probably be to run full diagnostics and see what faults the computer is reading. Then take it from there...
Hope it helps.
@@DIY_it_ALL Thanks 🙏
Hello, is the car need programming after installation of speed sensor ? Because I changed the front and the rear speed sensors but the abs steel not working 😢
Did you solved the problem? I have same problem like you
👍
Can you Tell me what Was the fault Code ?
Hi I have the similar issue but on my Audi A6 c7 it shows the same error but also it say gearbox limited functionable and break servo , is this also connected to the ABS sensor?
Hi, it's difficult to say... Best thing would be to run diagnostics and see what faults will come up.
Hi, Thank you for the detailed video.
I have the dreaded snapped abs sensor.
How far did you have to drill to remove the remaining part of the sensor?
Thanks
Hi, thanks for your comment and question.
I think I had to drill in around 15-20mm depth-wise.
@@DIY_it_ALL thank you for the speedy reply, did the flat tip just push into the hub or did you manage to remove it all,
Thanks again.
@@jonnym700 Sorry for delay in responding.
I've managed to pull it all out with no parts remaining inside. Good luck!
@@jonnym700 how did you manage with the thin (flat) part of sensor? Did you push it inside or manage to pull out?
What happens if you drill a bit too deep with the 10mm drill bit
I have this on an A4 B8...im assuming the cause is similar? Also what scanner are u using?
Could be, but read all the errors to be sure.
I use a laptop and VCDS via the Ross-Tech connector to read the system.
I just finished this job on my A4 B8.5. Not too hard. The shaft was corroded in place Tried drilling a hole, inserting a screw and pulling. Broke the screw. Soaked a cotton swab with alternatively with acetone, WD-40 and hot water and vinegar. Didn't loosen it. Had to drill it out. Measure the part so as not to go too far. Measure your part to be sure but on an A4 B8.5 its 36mm total length, 23 mm full bore diameter, narrows for 7 next narrowing section and 6mm for the final narrow end. The hole seems to only narrow for the part end around 30mm. Understanding the narrowing sections will help when drilling it out. Not knowing these measurements it took me longer as I carefully drilled with a smaller bit and chipped out stuck pieces with a mallet and screwdriver finally cleaning it up with a rotating tool. The part slip in nicely then snapped in for the final mm. Part cost $25 time was 3 hours. Garage estimate was $300. Dealer was likely more than that.
Nice one! 👍 Thanks for a detailed comment. Hope my video was somewhat helpful.
@@DIY_it_ALL Yes. It was very helpful. Thanks for posting it. It demystifies the process and shows that it is doable. You're one of the few who show the sensor when it breaks off and what to do to drill it out. Most of the others it have it pull out easily. I liked your VCDS error code mention as well. I am learning to use VCDS and codes so it helped show wha to look for. I had the right sensor go bad a few years ago, this time I decide to do this left on it myself. Very happy with the result. Thanks again for your work here. :-)
I have all the same faults but no abs fault, when I scan with obdeleven I don't have any wheel speed sensor faults. Any ideas
Hi Scott,
I would recommend using VCDS software for scanning faults. OBD Eleven capabilities are quite limited and as such it can only detect some faults, whereas VCDS can access each car module individually and show you absolutely all faults.
Did you ever figure out your issue. I am the same way no ABS light but my cruise control and Adaptive cruise control has a fault. Aslo the audi break guard is not working either.
@@noah2016999 I removed all the plugs from the sensors and checked them with a multimeter on the ohms setting, all tested fine plugged them back on and it fixed it somehow. I suspect it was either a poor connection or a fault in the loom but untill the problem comes back I'm not going to look for it. I've learnt over the years if its working just leave it don't go looking for problems 😂
Hello mate! I have a huge problem… i own a Audi A6 2017 (67 plate) and i have a problem with it. The problem is that the same errors appear on my dashboard and i went to the mechanic and he put the tester on but said ther that the Abs Pump malfanction valve and after right front ABS sensor short circuit… i replaced yesterday the sensor and the mechanic deleted all the errors but after he was done when i reverse and turn Right ( BUM ) everything pop out again in the dash. Do you know what the problem is ? Can you please help me ? As im desperate 😞 ( the car doesnt have not even 4 years old ) i really appreciate! Thank you and i wait for your response.
Regards Bogdan
Hi Bogdan,
Unfortunately I am not able to tell you what the issue is, but if I were you I would scan all errors again and see if speed sensor error reappears. If it does, then check sensor connections and wires, maybe it got damaged somewhere along the way.
If sensor fault does not reappear, then see what other faults there are and try to eliminate them. You've mentioned ABS Pump Malfunction,maybe it is worth checking the actual pump and see if it definitely functions.
Sorry I am unable to help more.
@@DIY_it_ALL hi ..my audi A6 shows all your errors same as yours including gearbox malfunction...so what will be the problem? Can you help me ..
@@samgeorgebush9216 best way forward is to scan your car for errors using VCDS software.
It sounds like you have a faulty speed sensor, but gearbox problem may not be related to this and it could be a separate issue.
@@DIY_it_ALL I have scanned and it shows many errors and tried to erase it but none of them erased..but there is a important error " connection failure between ECM and PCM"
@@samgeorgebush9216 hi mate im having the same errors on mine ..did you solved the issue ? please share your experience
For those who still have a fault messages on your dash after replacement of abs sensor, the big chance is that the abs ring is worn and corroded which is fixed to the wheel bearing which also will need to be replaced 😁
How would we know which wheel bearing
@@dainfinite1co178 VCDS will tell you which wheel got fault.
Hi..i have texted you about my audi A6 faults last year and now the same faults occurs along with "air suspension fault" where the rear suspension becomes hard and driving feels very bouncy.. if I turn off and switch on it comes to normal before now for the last 4 days it doesn't..I'm really frustrated of driving the car and getting more neck and back pain because of hard suspension.. waiting for your feedback
Did you get it resolved? I have been facing the same issue
@@HP-ow9fy No bro
So you’ve been driving the car with the errors?
Anyone trying this look into yaw rate sensor