kamkamkamkam Posted July 6, 2023 Share Posted July 6, 2023 Hi all, I'm just venting! I've had my Audi A4 (B9) from new and after 7 years a messaged popped up on the dash saying BRAKE SERVO RESTRICTED, CARRY ON DRIVING. CONTACT WORKSHOP. I took this as I can continue driving the car, and as I was due a service, I will sort it out then. The service countdown also started from 1000miles. 3 weeks later, the brake warning light appeared with a message on the dash, STOP DRIVING! CONTACT YOUR SERVICE CENTRE. I immediately booked it into the main dealer. On top of normal service costs, they sad they will need to investigate the warning light, £140. They investigated and said the car would need the pressure sensor replacing at a cost of £278.74 5hrs later I received a phone call to say that they change the pressure sensor but the car now requires an ABS Control Unit and Pump, at a cost of £4000. Yes £4000 Apparently, because I didn't change the pressure sensor in when the original message came up.. it has now spoilt the other bits. I'm astonished and wonder whether anyone has experienced similar? Quote Link to comment Share on other sites More sharing options...
Steve Q Posted July 6, 2023 Share Posted July 6, 2023 This is a well known issue: Quote Link to comment Share on other sites More sharing options...
kamkamkamkam Posted July 20, 2023 Author Share Posted July 20, 2023 Thanks for the reply. I'm hopefully going to find a solution to remanufacture the pump through a specialist garaged. I just wondered what others have done. Quote Link to comment Share on other sites More sharing options...
Steve Q Posted July 22, 2023 Share Posted July 22, 2023 Most have just replaced the pump Quote Link to comment Share on other sites More sharing options...
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