The offside rear door on my 2003 406 estate will not open, i have taken the trim panel off to see inside and both the rods for the lock and door handle are working, but the door is locked shut. Any help would be usefull. Thanks.
That is completely wrong!! johnsmiths advice is wrong you can get the trim of the door without damaging it, take it off and have a look at the mechanism inside and see if you can see where it goes wrong
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The pull rod from the inside handle to the latch mechanism has probably fallen out of the lever. You will have to remove the door trim and put it back in. It will be held in by a plastic clip that break on a regular basis.
Inside the rear tail gate hatch should be a small access panel. Remove the access panel so you can manually open the rear hatch by grabbing the small metal rod linkage. They put this access panel so if the door motor actuator goes bad you can still open the rear hatch. After you open the rear hatch manually by the linkage rod. Remove the entire inside hatch trim panel so you can see all the inner workings of it and self diagnos. It sound like the electric door motor actuator has gone bad. This is pretty common for any GM product. Hope this hopes.
chances are the connecting rod has come UN-done there is a plastic clip that holds the rods in place removal of the door panel is required to ensure this ...i take it the handle is just flopping around Loosely"
unless i am misreading the question perhaps the lock is froze up and i would use some penetrating oil 1st to allow it to work a while and see if that helps otherwise removal of the door panel is required as well
could also try pushing in on the door itself while trying to open it that would indicate the striker is in need of adjustment = door is closing too tightly
Take the interior door trim panel off and check the rods and connectors (plastic) connecting at the inside handle to this rod; and then the rod and connector to the door mechanism. Sometimes these plastic connectors become disconnected, but most of the time they break. The L portion of the rod goes through the hole of the connector. There is a pivoting "U" arm clip that clips over and onto the rod.
Check the fuses for the door lock circuit. Verify there is 12
volts at the fuse terminal. If voltage is not present, check the wiring.
Remove the door trim panel of the affected door.
Unplug the connector to the door lock actuator. Connect a test lamp across the terminals of the harness.
Verify that the light illuminates briefly in both the lock and unlock positions of the switch.
If it does not, there may be an open/high resistance or a short
to ground in the wiring. If the wiring is OK, the IP fuse block is
If it does illuminate and the lock actuator still does not work, the actuator is faulty.
Removal & Installation Door Lock Motor
Fig. Exploded view of the front door trim pane
Fig. Exploded view of the rear door trim panel, long wheelbase models
Fig. Exploded view of the rear door trim panel, short wheelbase models
Fig. Exploded view of the front door lock actuator
Disconnect the battery ground cable.
Disable the Supplemental Restraint System.
Remove the door trim panel. Refer to the illustration for the
mounting screw and lock tab locations. After detaching the hardware,
carefully pull it away, then lift it off the door just far enough to
detach the electrical connections from it.
Carefully detach the water shield from the door; this will be reused upon installation.
Disconnect the inside door lock rod from the handle retainer clip.
Detach the door lock rod from the retainer clip.
Remove the rubber plug to access the outside handle rod. Disengage it from the clip and disconnect the lock cylinder rod.
Detach the electrical connector and remove the lock from the vehicle.
Installation is the reverse of removal. When installing the lock, tighten the screws to 89 inch lbs. (10 Nm).
Door Lock Switch
Remove the door trim panel.
Remove the screw securing the switch assembly.
Use a flat bladed tool to remove the switch panel bezel from the panel.
Release the retaining tabs of the switch assembly using wide flat bladed tool.
Remove the lock and window switch assembly from the door panel.
Fig. Remove the screw (2) securing the switch assembly (1) to the door panel
Hope helped with this (remember rated this help) Good luck.
Lower the tailgate and remove the tailgate access cover.
Disconnect the control rods.
Detach the retaining nuts and remove the handle and lock cylinder assembly from the tailgate.
... Door trim panels
Disconnect the cable(s) from the negative battery terminal(s).
On manual window equipped models, pull the window crank cover aside, remove the screw and detach the handle.
On the front door of power window equipped models Pry up on the retaining clip at the front edge of the armrest and lift the armrest switch control plate out and disconnect the electrical connections,then remove the retaining bolt from the opening.
Use a small screwdriver to pry off the courtesy light cover for access to the trim panel retaining bolt.
Carefully pry off the mirror trim panel from above the front edge of the door panel.
Once all of the bolts are removed, remove the trim panel by gently pullingit up and out .Detach the courtesy light bulb housing from the panel.
For access to the inner door components, remove the speaker (if it would interfere with watershield removal) and the screws from the trim piece at the lower trailing corner of the door, then carefully peel the watershield from the door.
Remove the screws securing the latch.
Working through the large access hole, position the latch as necessary to disconnect the electrical connector and disengage the outside door handle and outside lock cylinder to latch rods and the inside handle-to-Iatch cable.
Detach the locking rods by unsnapping The remaining outside handle retaining nut can be reached through the access hole in the door frame and the upper striker the portionof the plastic clip engaging the connecting rod, then pulling the rod out of its locating hole.
Position the latch as necessary to disengage the door lock actuator hook. Detach the cable cover and disconnect the cable from the latch. Remove the latch assembly from the door.
Remove door trim panel and watershield. Refer to Section 01-05 .
Check all connections of remote control links and cables. Service as necessary.
Remove remote control assembly.
Remove door latch remote control assembly from latch assembly.
Drill out rivet at bellcrank and link (264B14).
Remove three screws attaching latch assembly to door.
Drill out rivet that attaches actuator motor to door.
Remove latch assembly with actuator motor and door latch control rod lever link assembly.
Install new bushings and clip onto latch assembly.
Install latch with links and power lock actuator into door cavity.
Position latch assembly to door, aligning screw holes in latch and door. Install three screws. Tighten to 10-13 Nm (89-115 lb-in).
Attach door latch actuator motor to door with a new rivet.
Install bellcrank and link to door using a new rivet.
Install inside door handle and remote control assembly to door.
Open and close door to check latch assembly operation.
Install watershield and door trim panel. Refer to Section 01-05 .
Door Handle to Door Latch Actuating Cable
Rear Door Control Rod Retainer
Rear Door Latch
Door Outside Handle Tension Spring
Outside Door Handle Anti Rattle Pivot (2 Req'd)
Front Door Outside Handle Spacer (2 Req'd)
Rear Door Actuating Rod
Outside Door Handle Anti-Rattle Bumper
Outside Door Handle Large Pad
Nut (2 Req'd)
Screw (3 Req'd)
Rear Door Electric Latch Actuator (RH)
Rear Door Latch Striker Assembly
Door Lock Striker Plate (Part of Door Shell Assy)
Rivet (2 Req'd)
Bellcrank and Link (RH)
Rear Door Latch Control Rod Link
Rivet (2 Req'd)
RR Door Latch (Inside)
RR Door Latch Push Button Rod
Door Latch Rear Striker Assembly
Screw (2 Req'd)
Rear Door Catch
Truss Head Bolt (2 Req'd)
Rear Door Latch Actuator Retainer
Rear Door Latch Control Escutcheon
Tighten to 21-29 Nm (16-21 Lb-Ft)
Tighten to 10-13 Nm (89-115 Lb-In)
Tighten to 7-8 Nm (62-70 Lb-In)
Tighten to 26-34 Nm (20-25 Lb-Ft)
Tighten to 3-4 Nm (27-35 Lb-In)