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Door Latch Replacement
 
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Pelican Technical Article:

Door Latch Replacement

Nick Czerula

Time:

1 hour1 hr

Tab:

$200

Talent:

**

Tools:

Plastic prying tool, door panel clip tool, flathead & Phillips screwdriver,

Applicable Models:

BMW X5 (2000-06)

Parts Required:

Door panel, vapor barrier, vapor barrier seal, door panel clips

Hot Tip:

Have door panel trim clips on hand in case they break when removing

Performance Gain:

Proper door latch and power lock function

Complementary Modification:

Clean and lubricate door latches on other doors

The exterior door latch is responsible for locking, unlocking and latching the door shut. The latch itself is pretty reliable. However, having the electronic lock solenoid integrated in the latch creates some problems. The lock solenoids fail over time, leaving you with a malfunctioning lock. If it is the driver lock, you can still lock and unlock with the key. With other kinds of doors, you may not be so lucky. If you are having a problem with the lock, try cleaning and lubricating the latch. I find this will restore function of the lock from time to time. If I can successfully restore function this way, I still replace the latch to avoid future problems. It is a good test to see if the problem is electrical or mechanical.

Close the window and disconnect the negative (-) battery cable

Remove the interior door panel. See our tech article on door panel removing.

Once the door panel is removed, remove the three 10mm air bag mounting bolts (green arrows).
Figure 1

Once the door panel is removed, remove the three 10mm air bag mounting bolts (green arrows). Then, remove the air bag and disconnect the wiring harness by pulling it straight off the air bag. When removing or installing the air bag harness be careful to route the wiring properly and avoid kinks or breaks in the wiring. Set the air bag aside. Always store the air bag with the mounting bracket down. Remove the vapor barrier from the door by peeling it away from the door. If stuck, use a plastic prying tool to gently lever the barrier away from the door. Be very careful when removing the vapor barrier. It tears easily. If it is reinstalled with a tear, an interior water leak can develop.

Working inside the door cavity at the latch, pop off the ball head of the Bowden cable and remove the Bowden cable from the retaining slot on the latch (green arrows).
Figure 2

Working inside the door cavity at the latch, pop off the ball head of the Bowden cable and remove the Bowden cable from the retaining slot on the latch (green arrows). Now disconnect the door latch electrical connector by squeezing the release tabs and pulling them off (yellow arrow).

Remove the three T30 Torx door latch fasteners (green arrows).
Figure 3

Remove the three T30 Torx door latch fasteners (green arrows). Then, remove the door latch from inside the door. To install the new latch reverse the order of the removal steps. Be careful not to bend the door lock button metal rod when inserting it through the door skin opening. Remember to check the function of the latch before installing the door panel. I suggest closing the latch with a flathead screwdriver while the door is open, and then open it using the cables once you have attached them. This will ensure that the door latch is working.





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Page last updated: Sun 1/22/2017 03:12:29 AM