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Hi, I'm Mike from 1A Auto.
I hope this how-to video helps you out, and next time you need parts for your vehicle,
think of 1AAuto.com.
Thanks.
In this video, we're going to show you how to replace a rear door lock actuator on this
2003 Mercury Mountaineer.
It's the same part and similar process on these Mountaineers from 2002 to 2010 and it's
the same years on the Ford Explorer.
We show you on the driver side but the passenger side is a similar procedure.
The items you'll need for this is a new rear door lock actuator from 1AAuto.com, a flat
blade screwdriver, a 6mm and 7mm socket and ratchet and a T27 Torx bit.
Start off by prying out on the bottom of this panel and then pulling out to release the
clips.
Then slide it towards the front of the car and off the door handle.
Now roll this panel out while pulling up on the front.
Slide it forward and then just push the tab on this harness and disconnect it.
Then remove this 7mm bolt and this 7mm bolt right here.
Now lift your door panel up and out and your door panel's free.
Peel back your water shield in this top corner and you can see Mike uses a razor blade to
help separate the adhesive.
Now, using a flat blade screwdriver, just pry this clip open and then pull the door
handle rod free.
To give you more room while you're trying to remove the exterior door handle, we recommend
you just lift up this yellow clip on the back of the interior door handle and pull your
lock rod free.
Remove the 6mm bolt underneath your interior door handle.
Slide the door handle forward and just push this cable out and disconnect the cable.
Then just pull the cable through your water shield.
Using a flat blade screwdriver, push in the tabs on this clip and pull the cable from
the door.
Then remove these three T27 bolts.
We'll just fast-forward as Mike does that.
Pull the door lock actuator towards the opening and then just lift up on this yellow clip
and pull the rod free.
Push the tabs on these harnesses to disconnect them.
With your assembly out, the actuator just slides on here, so take your screwdriver and
just pry a little bit to make sure it's moving some.
There's actually a tab right in, put your screwdriver in and twist.
While you're twisting, work the actuator off.
Actually if you lock this back up, it gives you a little extra room and the actuator comes
right off.
There's a tab here and a tab here on the actuator, so they go into this slot and into this slot.
Then there's an arm here.
You have to make sure that goes into here, so put it into place and start sliding it
on.
Then make sure that your actuator goes into where it should here.
Let's see here, I don't have it down quite far enough to push it down on there.
Make sure that arm's going in and squeeze it on and slide it on.
Make sure that's open and I'm going to reconnect my harnesses here.
The grey one goes here and this one goes right here.
Put this in the door and then take my door handle rod or my lock rod actually, oops,
I got to put it into the door and lock it in place.
Bring your assembly up, take, carefully, outside door handle rod, and make sure it doesn't
get caught up in there.
Let's see.
There we go.
We'll fast-forward as Mike finishes replacing those bolts and then tightens them up.
Pull the cable back through your water shield.
Then take your interior door handle and reclip the cable into the handle.
Then just push that cable back into the bracket and then push in the tabs on the door handle
and then slide the door handle back.
We'll just fast-forward as Mike replaces that 6mm bolt and tightens it up.
All right so you want to make sure that your door is in the unlocked position.
Back is locked.
This way is unlocked.
Then you want to hold your lock and unlock switch.
Basically, here because that's unlocked, that's locked so hold it in the unlocked position.
Pull it forward, make sure it's unlocked, put into your clip, and you can see and just
lock the clip down.
Reclip the door handle rod and just close the yellow clip over it.
Now push your water shield back into place.
The door handle is held in by all these hooks, so if you take the water shield for any reason
just make sure that everything is lined up so the hooks can go in easily.
You can actually hook the bottom ones on first, just push the panel up, you may have to move
it up a little bit, make sure it goes against the door all the way, and slide it down.
Now replace those two 7mm bolts and tighten them up.
The top one helps if you feed it back into place with an extension.
Reconnect the harness and this tab slides in first.
Take this panel and just slide it behind your door handle.
Push those tabs back into place.
Push the clips back in on the front.
We hope this video helps you out.
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service on the Internet.
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