Transport CanadaHigh Risk
1991 MERCURY GRAND MARQUISTransport Canada Recall #1991056
The official notice
Defect
THE AUTOMATIC OVERDRIVE TRANSMISSIONS ON THESE VEHICLES MAY BE EQUIPPED WITH A PARK ROD ASSEMBLY THAT INCLUDES A PARK CAM WITH INADEQUATE SURFACE HARDNESS. THIS COULD RESULT IN HIGH PARK DISENGAGEMENT FORCES OR IN NO PARK ENGAGEMENT WHEN THE SHIFT LEVER IS PLACED IN THE PARK POSITION. THIS IN TURN COULD RESULT IN AN UNPOWERED VEHICLE ROLL-AWAY IF THE VEHICLE IS PARKED ON AN INCLINE WITH THE PARKING BRAKE OFF.
Safety Risk
No risk description available.
Remedy
PARK ROD ASSEMBLY WILL BE REPLACED ON AFFECTED VEHICLES.
391 vehicles affectedMfr ref: 91S29Updated June 10, 2026