Volvo V40 owners have reported 2 problems related to brake master cylinder (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Volvo V40 based on all problems reported for the V40.
Brake system in car works poorly when car is cold or left for a few hours. Significantly more brake pressure is required to stop the car when car is cold. Problem has been "fixed" three times but has returned again. Evidently this is related to failure of a vacuum pump used to provide additional brake vacuum for the master cylinder when the engine is cold.
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all problems of the 2000 Volvo V40
🔎.
Brakes failed on may 17. Dealer could not find problem. Brakes failed on may 28. Dealer replaced master cylinder and wheel cylinder. Brake warning light again on 6/12/2002.
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all problems of the 2002 Volvo V40
🔎.
| Problem Category | Number of Problems |
|---|---|
| Brake Electric Antilock problems | |
| Brake Disc Pads problems | |
| Power Assist Brake Vacuum problems | |
| Brake Foundation Components problems | |
| Brake Disc problems | |
| Service Brakes problems | |
| Brakes Failed problems | |
| Brake Master Cylinder problems | |
| Power Assist Brake problems | |
| Power Assist Brake Hoses, Lines/piping, And Fittings problems |