The 1991 Ford Thunderbird has 2 recalls, the more serious being a transmission park mechanism that can fail to engage or can slip out of park, allowing the vehicle to roll away if the parking brake is not set.
The second recall involves the windshield wiper motor, which may have been mounted with insufficiently tightened nuts. If those nuts loosen or fall off, the wipers can sweep an incorrect pattern or jam entirely, leaving the driver with reduced visibility in rain or snow.
At a glance
What can fail
The nuts fastening the windshield wiper motor to the wiper module may not be tight enough and can loosen or detach. This causes uneven wiper motion or wiper jamming if two of the three nuts come off.
What the fix does
Apply torque retention material to the wiper motor studs and nuts, then retorque them to specification.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The park cam in the park rod assembly may not be hard enough, which could prevent the transmission from staying in park or engaging park when you move the lever to park.
What the fix does
The park rod assembly will be replaced on automatic transmissions.
Summarized — see the official notice for exact wording, dates, and contacts.
