Table 1 shows 13 common service brakes related problems of the 1999 Volvo S80. The number one most common problem is related to the brake antilock control unit/module (three problems). The second most common problem is related to the power assist brake vacuum (two problems).
1999 S80 stalled/surged at 20,000 miles at the time. The consumer stated whenever the stalling occurred, the cruise control would go out, and at highway speeds the engine would start to run in an uneven/hesitation mode. The problem was much worse at lower speeds. Read details...
The contact owns a 1999 Volvo S80. The contact stated that the vehicle would idle high and then low. The vehicle would slow down as well. When he released the accelerator pedal, the vehicle would lurch instead of gain speed. The failure occurred every time the vehicle was driven. Read details...
Front disc brakes were replaced, the dealer also found abs breakout box and power brake booster inoperative. Nlm Read details...