Door Catch Worn Out - A Common Problem Easily Fixed - No more door closing in the wind!

A forum for lovers of Infiniti's hot-rod crossover, the FX! In 2014, all FX models will be named Infiniti QX70, in line with Infiniti's new naming structure.
imnprsd
Posts: 76
Joined: Mon Nov 15, 2021 1:48 am
Car: 2004 Infiniti FX45

Door Catch Worn Out - A Common Problem Easily Fixed - No more door closing in the wind!

Postby imnprsd » Sat Feb 19, 2022 1:23 am

FIX YOUR DOOR CATCH WHILE YOU HAVE THE DOOR PANEL OFF


Remove The Door Cover/Panel

* Watch this video: https://www.youtube.com/watch?reload=9&v=MMRugjltUK8

* Just remove the 3 door screws as shown in the picture below,

* Remove the master window control panel first. Just pop it out of it's normal position and you will have easier access the the electrical connectors this way!

* Do not remove the door locking actuator cables or mark them if you do.

Tip: Use a small screwdriver and squeeze it with one hand to depress the "tab" that locks the electrical connector in place.

* With the door panel hanging by the locking cables...

* Remove the three 10mm speaker screws, but not the speaker wire. Just let the magnet hold the speaker the the metal door frame...out of the way... while you reach in the speaker hole and remove the door catch. (3 bolts to remove first)

==> Then just spit the door catch assembly open by bending 4 tabs with channel locks. (Don't use a screwdriver and stab yourself!)

==> Then remove and flip the plastic parts over.

==> Then add two #8 flat washers to each side (total of 4 washers) which will act as shims... and that will put more pressure on the already worn plastic parts... hopefully making your door catch good as new! Reassemble. Easy-peasy!

IMPORTANT: Before you put the door cover on ==> initiate a "windows relearn" procedure as follows:

* Find and remove the quarter size (round) black tape cover which hides the relearn button. This cover and button is located about 8" from the speaker.

Why do this step?

1) It can't hurt and it may help both your window action and fix this door lock/unlock problem if you find your fob sometime works and sometimes does not open or lock your door, especially when it's hot outside.

HOW? I hope the windows relearn might re-calibrate the BCM, but I really can't say for sure. I will know more over the course of the next couple weeks and if my intermittent fob/door lock/unlock problem is fixed. If is is fixed by doing this then I will say these measure are the cure for the problem. TBD.

CONCLUSIONS:
If these steps don't work then your only other option is to either replace the entire Lock Actuator as a complete assembly, or you can take this assembly apart and just replace the locking motor inside. And if there is any truth to the possibly of one door like motor affecting all the doors, then I suppose I would replace the driver's side door lock motor first since it probably gets the most wear.

Good luck and let us know if any of these suggestions work for you!
Attachments
Door Check FX45 etc.jpg
3 Door Screw Locations.jpg
2 Window Relearn Sequence (JPG).jpg
2 Window Relearn Access Hole (Button Underneath).jpg


imnprsd
Posts: 76
Joined: Mon Nov 15, 2021 1:48 am
Car: 2004 Infiniti FX45

Use #8 Flat Washers As Shims To Fix a Worn Out Door Catch

Postby imnprsd » Sat Mar 26, 2022 12:35 pm

Quick update: I I found using six #8 flat washers as shims is better than using four. This will put more pressure on the plastic-friction parts that will hold your door open in the wind.

Installation Tip: Slide the "canister" to the thinnest part of the door catch flat metal part and install the shims and note: After the shims are installed you will not be able to slide the "canister" back the the full-travel-position. So what you will do is this: Reinstall the door catch with a short door-throw. (Door is cracked open.) Once you have all 3 screws installed you will have enough leverage to open the door fully. And now you door catch will hold in the wind.

See attachment for more note:
Attachments
Door Check FX45 etc.jpg


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