One problem related to brake hoses, lines/piping, and fittings has been reported for the 2000 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mercury Grand Marquis based on all problems reported for the 2000 Grand Marquis.
The brake line running from the master cylinder to the abs module is a two piece line and leaks. There is a steel braided flex line running from the master cylinder, which is crimped onto a hard line (steel tubing). The crimped joint leaks and drain the master cylinder of fluid, causing loss of braking in either the front brake system my wife lost the front braking system while out one evening. Although the vehicle was off warranty, the deal offered to split the cost of the repair. Dt.