Recently the L322 key has been playing silly buggers despite changing the battery a few times in the last couple of weeks, still says battery low, and the remote CDL was intermittent, and now doesnt respond at all to the fob buttons.
No probs, me thinks Ill just use the door lock with the key for a while till I figure on what to do next (might just have to bit the bullet and get a new key from LR !!)
But, tried the key in the door lock and in true L322/Land Rover style .it didnt work!
So, took the latch out to inspect and the geared drive from the door key drive that actuates on the locking mechanism has stripped teeth on the gears, and as such turning the key did feck all!
Ebizzle produced a replacement S/H latch mechanism and here is the How To on changing the Drivers Door Latch Mech .(same process on all the side doors really, just minus the door key mech.)
As we will be disconnecting and removing the door side impact airbag you MUST disconnect the battery. Make sure the windows are fully up before you disconnect the battery.
Process is to open the bonnet and boot, wait for the little red light to go out on the Sat Nav drive (if fitted) and then disconnect the negative battery lead.
NOW WAIT FOR A MINIMUM OF 10 minutes I recommend at least 20 minutes then disconnect the positive battery lead ..you MUST wait as the positive lead contains a disconnection pyrotechnic charge and the SRS system contains storage capacitors that keep the SRS system active for a period in the event of a crash and the battery pyro goes off to isolate the battery from the car, the SRS remains active incase of secondary impact .i.e. you have a frontal and the steering wheel and passenger bags go off and the battery disconnects .then a secondary impact occurs from the side, the side airbags can deploy even though the battery is disconnected.
Next, is to use a T20 torx bit to take the 3 bolts out that hold the door card on, and prise the Airbag logo off the top of the door card and undo the T30 Torx bolt that hides under that!
Now, carefully pop the card off the door undoing the little trim clips all the way round and then lift the door card up and away from the door SLIGHTLY fiddly so take your time.
I said slightly as there is a myriad of wiring connectors to the door card to undo so spot them and undo them, you can now move the door card away from the door!
The internal door release cable is a quick fit connection that just clips on, hard to explain, but youll see how it fits!
Now to disconnect the airbag module. On the side is the connection, you have to lever up the little cover on top of the connector and then pull the connector off the module.
Then undo the 3 T30 bolts and remove the module. Place it FACE UP to one side.
You can now peel the sheet away from the door to get to the inside of the door frame.
Reach inside and remove the sill button/rod, it just pops off the little drive dog, then remove throw the hole where it goes.
Next reach back in and remove the exterior handle release cable, this is done by unclipping the cable sheath from the holder and then releasing the cable from the lever .just like a bike brake cable!
Now, I released the cable tidy clip from the door as I couldnt get a good hold on the electrical connection from inside the door .
Pop out the little rubber bung on the side of the door and undo the T30 torx bolt that holds the door key lock mechanism in place. Withdraw the door key lock.
Undo the 3 T30 torx bolts on the side of the door frame and remove the latch mechanism and remove the latch mech from the door aperture .guiding the interior release cable out of the hole in the door .you can now remove the electrical connector easily!
Refit is, as Haynes says, the reversal of the process .make sure the drive dog that the door key lock mech engages with us central and refit the latch to the door, remember to put the interior release cable back through the hole.
One hand inside the door and one outside the door refitting the door lock mech, guide the drive spindle into the drive dog and re bolt the door lock mech in place. Refit the rubber bung!
Refit the exterior release cable and the electrical connection replace the door foam/sheet thingy, refit the air bag module, refit the door card the interior release cable just clips back in place. Reconnect all the electrical connections and re-hang the door card in place.
Rebolt the door card in place, reconnect battery positive first then negative.
All done, grab a coffee!!
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L322 Drivers Door Latch Replacement....