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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Brake Pressure SensorsViews : 13341 Replies : 56Users Viewing This Thread : |
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Oct 1st, 2015, 18:15 | #1 |
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Brake Pressure Sensors
I was wondering if anyone has experience of changing the little in-line brake pressure sensors?
I have the "Anti-skid service required" message on my DIM and I have had my fault codes read showing a faulty brake pedal positioning sensor and faulty brake pressure sensors. The individual parts are expensive and I am going through a process of elimination as follows: £120 for brake pedal position sensor - the one that goes into the brake servo. I've got it, installed it but the error message is still there. There are 2 in-line pressure sensors (pn V30793669) and there are £250 EACH!!!!! I have seen on ebay them available at around £100 for 2 including the holders (pn V3524132) and I am wondering what to do. I could end up spending £620 here..... Has anyone any advice on how to fix the faulty sensors. Additionally, is my error message going to go away once I've replaced the faulty part, or will I need to get it reset?
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
Oct 1st, 2015, 19:31 | #2 |
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Have you cleared the codes and seen if they have come back? Not been much help here but I had the same codes and I cleared them with vida and they haven't come back.
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Oct 1st, 2015, 19:43 | #3 |
bournricha
Last Online: Jan 10th, 2017 22:14
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codes
Codes need to be cleared, the test is then, do they come back?
Is your car very new and demand new parts ?.Running an old car ,2001,there is rarely any need for new parts ,except for wearing stuff like pads .I recently replaced the position sensor second hand and it was only a tenner ,I think .You can get quotes for parts from Parts Gateway online .Parts are unfailingly good in my experience and often as good as new The specialist breakers will have parts out of written off modern types ,so i can rarely see the point of new stuff and its recycling!
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1991 940 estate 2.3 125,000m.Under overhaul Previous convictions ;s70 ,855t5,745,v70, v70p2 Last edited by bournricha; Oct 1st, 2015 at 19:56. Reason: afterthought |
Oct 1st, 2015, 19:59 | #4 | |
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Quote:
I was wondering if there's a procedure to test the pressure sensors. Seeing as there are 2, I would prefer to find out which one of them is faulty instead of just going through the process of replacing parts willy-nilly until the messgae goes away!
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
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Oct 2nd, 2015, 06:19 | #5 | |
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Quote:
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Oct 2nd, 2015, 07:54 | #6 |
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Please could you tell me where I can get access to one of those? I have seen something after Googling it, but guess that type of tool is owned by a garage?
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
Oct 2nd, 2015, 17:42 | #7 |
bournricha
Last Online: Jan 10th, 2017 22:14
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scan tools
I think you would need the Volvo specific Vida/Dice set up to get the pressure values .I have only got a multi make reader which will not go into such detail .The Vida is connected to a laptop which must have at least Windows 7 Professional on it .These kits are on ebay from various sources ,but some are hard to make work ,so i read on the forum .If you search the forum there are lots of references to these kits ,but not having one I cannot advise .
Yes ,this is what the dealers use ,but it would be infinitely useful to you too.
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1991 940 estate 2.3 125,000m.Under overhaul Previous convictions ;s70 ,855t5,745,v70, v70p2 |
Oct 2nd, 2015, 17:45 | #8 |
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You only need a bit of IT knowledge to get it to work, my fiend did mine for me but basically he split the hard drive on my laptop so it's runs 7 professional and Windows 8. Then vida downloaded off a disk onto the Windows 7 side of things. Best money I've ever spent motoring wise. Works on any volvo up to 2014.
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Previous -03 S40, 04 V70 D5, 04 V70 D5 Sport, 05 V50, 07 S60 D5, 09 V70 D5 R design, 12 XC60 DrivE, 15 V60 D3 Current- 05 XC90 D5 Exec, 12 XC70 D4 AWD Se Lux, 14 S80 D3 Se Lux |
Oct 3rd, 2015, 14:21 | #9 |
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I get an intermittent ASSR message. Diagnosed by dealer as pressure sensor no2. But why does it not show permanently. I can go for months without the messge. Then it will appear a couple of times, the disappear again.
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Oct 3rd, 2015, 22:21 | #10 |
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Just had the same fault on my V70. I spent £80 on the icarsoft scanner to read the codes.
After clearing them I swapped the sensor wiring plugs from one to the other, if the code changes from sensor 1 to sensor 2 you'll know the sensors is the fault. If not then its possibly a abs ecu fault. I got my sensor from http://www.volvobreakers.co.uk/volvo...vo-abs-sensor/ You'll need a deep 27 mm deep socket to remove the sensor. Its a bit awkward to get at but straight forward enough to do. So far so good no warning message. Last edited by Chrisw4266; Oct 3rd, 2015 at 22:27. |
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