Mercury F1ZZ-6121812-A Latch

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To work on front door initially, uninstall the door trim and water shield, next, identify position of rear run lower bolt and remove it. Remove the rod ends from the latch; it should be mentioned that the remote link and latch-to-lock rod cannot be removed as they are designed. Lower these off with the lock cylinder rod from the cylinder lever, then you remove the screws that install the latch assembly to the door, then finally you remove the latch. After that, take out the remote link and the latch-to-cylinder rods and then proceed to lock the cylinder rod, replace the remote link and the latch. Align the latch towards the door opening and fasten it with the screws of the attaching part, fasten the latch-to-cylinder rod to the lock cylinder lever and connect rest of the rods and observe the working of the latch. Last of all, replace the rear run lower attaching bolt in the marked position, and fit back the water shield and trim panel. In regards to the rear door, first step is to remove the trim panel and the water shield of the rear door from its hinges, next is to disengage the rear door latch actuating rod from the rear door latch assembly. Disconnect the screw where the door latch bell crank is mounted and then remove the bell crank, and three more screws will unlock the door latch. To install, set up the latch assembly then place it at the proper place then input the attaching screws, and the door latch actuating rod. Put the door latch bell crank to the push button rod control link and mount it on the door inner panel, test for the working of the latch assembly, the last part to fit is the door water shield and trim.

Remove the door trim panel and waterproof sheet as previously described, then mark the position of the window glass rear run lower retaining bolt and remove the bolt. Disconnect the rods from the latch and remove the lock cylinder rod from the lock cylinder lever. Unscrew the nuts and remove the remote control assembly, followed by removing the latch fixing screws and the latch while disconnecting any remaining control rods. The refitting process is a reversal of the removal steps.

Every 3,000 miles or three months, the hinges and latch assemblies of the doors, the hood and trunk must be lubricated by a few drops of light oil or any lock lubricant. Moreover, the door latch strikers should be greased slightly to reduce their wear and ensure their fine working in the future. The function of the door and trunk locks is that they should be lubricated by using the spray on graphite lubricant.

Remove the door trim panel and waterproof sheet as previously described, then mark the position of the window glass rear run lower retaining bolt and remove the bolt. Disconnect the rods from the latch and remove the lock cylinder rod from the lock cylinder lever. Unscrew the nuts and remove the remote control assembly, followed by removing the latch fixing screws and the latch while disconnecting any remaining control rods. The refitting process is a reversal of the removal steps.

To work on front door initially, uninstall the door trim and water shield, next, identify position of rear run lower bolt and remove it. Remove the rod ends from the latch; it should be mentioned that the remote link and latch-to-lock rod cannot be removed as they are designed. Lower these off with the lock cylinder rod from the cylinder lever, then you remove the screws that install the latch assembly to the door, then finally you remove the latch. After that, take out the remote link and the latch-to-cylinder rods and then proceed to lock the cylinder rod, replace the remote link and the latch. Align the latch towards the door opening and fasten it with the screws of the attaching part, fasten the latch-to-cylinder rod to the lock cylinder lever and connect rest of the rods and observe the working of the latch. Last of all, replace the rear run lower attaching bolt in the marked position, and fit back the water shield and trim panel. In regards to the rear door, first step is to remove the trim panel and the water shield of the rear door from its hinges, next is to disengage the rear door latch actuating rod from the rear door latch assembly. Disconnect the screw where the door latch bell crank is mounted and then remove the bell crank, and three more screws will unlock the door latch. To install, set up the latch assembly then place it at the proper place then input the attaching screws, and the door latch actuating rod. Put the door latch bell crank to the push button rod control link and mount it on the door inner panel, test for the working of the latch assembly, the last part to fit is the door water shield and trim.

A thin coat of grease.

To reduce wear and ensure free movement.