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You can get a diagram for the door lock assembly in the Haynes 99 Mercury Mountaineer Repair Manual. The book is available at most auto parts and major book stores.
need a special tool to lock in the cams. lock key sits at the twelve o'clock position.
The door lock, on your 1999 Mercury cougar, can be replaced by removing the inside door panel. The locking mechanism is easily visible and can be changed.
It's below the gear selector lock button on the automatic transmission cosole shift
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If the sliding door on the 1999 Mercury Villager will not stay open, check for something that is not allowing the latching mechanism to lock into place. Make sure that the door is all the way back so that it can lock in.
Insert key in the door lock and turn to unlock the door.
If the gas tank is vapor locking when it is hot outside, on a Mercury Mystique, it is probably because too much air is getting into the tank when the vehicle is driven. Replace the gas cap and this problem should go away.
Vin the relay panel ,
spray with WD40 if that doesn't help replace the door lock
Type your answer here... how do you remove passenger door panel on 2001 mercury marquis to replace door lock.,
1 disconnect (-) battery cable 2 remove door panel 3 remove speaker 4 unplug 'door open' warning switch 5 disconnect pigtail electrical connector for outside door lock illumination light (if u have that) 6 remove 2 retaining nuts for outside door handle and trim... lower the outside trim from door 7 unplug power door lock plunger and door handle illumination connector 8 remove 2 screws that hold the front door latch control and link to door 9 remove the three screws that hold the latch (on outside, around the v shaped cutout for pillar pin) 10 latch should come out by moving it forward and rotating the whole assembly out of the door (goggomobil)