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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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S40 Anti skid light + reduced engine performanceViews : 1790 Replies : 7Users Viewing This Thread : |
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Jun 1st, 2014, 17:32 | #1 |
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S40 Anti skid light + reduced engine performance
I am looking for some help with a problem i am experiencing with my 07 volvo s40
About 2 years ago the anti skid light started coming on plus messages on the computer stating anti skid service required and reduced performance. I took the car to a garage and after a while they solved the problem with replacement of a pipe and a sensor. This worked for about 2 days when i was driving to work and i heard a whooshing sound plus the anti skid light etc came on. Took the car to the garage and said pipe was reattached and securely tightened and nothing more heard from this problem, until now. I have attached some pics of the area i think was effected This problem only happened when accelerating. The issue seems very random though the car does not feel very nippy at the moment, like a lack of torque. I have tried tightening the jubilee clips on the pipes i think that were effected but i am too sure if i am in the right place. Has anyone experienced this problem? Does the pipe need regular replacement/reattachment? If i am to take it to a garage what should i say about the problem or is some other issue? Any help is greatly appreciated. |
Jun 1st, 2014, 18:12 | #2 |
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Check the abs rings have not cracked ,very common and esy fix ,gives the symptoms you describe under hard acceleration or on tight bends.
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Jun 1st, 2014, 18:17 | #3 |
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Jun 1st, 2014, 18:42 | #4 |
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Jack up ,remove wheel and rings are visible between the cv joint and the hub, check the ring has all its teeth and no hairline cracks, they crack due to corrosion between the ring and the body of the cv joint, they cost about 3 quid and are relatively easy to change if you have a little bit of ability and some good sockets.
Cracked rings show up most on hard acceleration or at high speed but can also cause the symptoms you described at low speed tight turns like mini roundabouts. Oh and make sure you stick an axle stand under the car. Good luck. |
Jun 1st, 2014, 19:30 | #5 |
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Thanks for the advice, will give it a try in the morning.
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Jun 4th, 2014, 12:23 | #6 |
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Update to the problems.
I took the car to a local independent volvo garage today. Explained the problem i had in the past and how it had reappeared. Mechanic had not heard of this problem. They read the codes and came back with lots of things wrong. So the log was reset and i was advised to go away to recreate the problem. Managed to do that within 30mins so took the car back to the garage for a fresh read. The turbo pressure being too low was the major problem on the 2nd read out, as i expected. The mechanic read volvos advice and it agreed with what i knew from the past and recent research. Either there is a leak in the vacuum line, its clogged or the sensor is playing up. Also mentioned the ECU needs updating. I was a little confused that the first thing they wanted to do was update the ECU as this I doubt would not solve the problem. Is there any advantage to updating the ecu for the overall running of the car? For the turbo pipework on the lines from the engine how much would it cost to replace in the UK and how would know its a leak, sensor or clogged? Sorry for the long post, i wanted to get it all down to see if anyone could help. Thank you for reading. |
Jun 4th, 2014, 12:52 | #7 |
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Mechanic had never heard of cracked abs rings on a volvo ..mmmm ..that sets alarm bell ringing, did he actually check the rings?
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Jun 4th, 2014, 13:57 | #8 |
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he was certain they wouldn't be the issue. i am no mechanic but the fact the same problem was fixed 2 years ago suggests the issue is again possible
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