One problem related to front suspension upper arm 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.
While checking the oil noticed that nut on the upper control arm was gone, and bolt was hanging down. Also, when backing up would hear a clicking noise. Defect corrected by dealer.