One problem related to brake foundation components has been reported for the 2004 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Volvo S40 based on all problems reported for the 2004 S40.
My 2004 Volvo S40 occasionally does not seem to have any hydraulic brake assistance when it is first started in the morning. This was very occasional starting a couple of years ago, but is becoming more frequent. On Monday, I had to restart the car 5 times before the brakes felt "normal".
| Service Brakes problems | |
| Power Assist Brake Hoses, Lines/piping, And Fittings problems | |
| Brake Disc Pads problems | |
| Brake Foundation Components problems | |
| Brake Pedal And Linkage problems |