awdinut

Atomic Tom made me aware of a UK forum where in a chap put a new micro switch in his soft close A8 door latch ; thereby restoring proper operation.

In the write up he cites using a Maplin N86AQ switch that is not available in the US. The electronics supply store here in KC does not have a cross reference book with which to determine an equivalent switch. Does anyone know of a data base that can make a cross reference match ? Or does anyone have knowledge about doing said re-build ?

The latch is no longer available from Audi, and anu=y driver's door unit from a salvage yard is a real gamble because the more often used driver's door is always the switch that quits working; so likely as not to be DOA.

mcs

It Just looks to be a normal microswitch with a long lever, however, these switches are also fitted to Jaguars (X type - In the J gate shifter) and Alfa Romeo 146 147 Boot light switch if you need to get one from a wrecker.

https://www.newark.com/omron-electro...K7637?st=SS5GL could be possible too. But more research is needed.

Mike

awdinut

Thanks for the suggestion...however niether of those applications are something that would be obtainable from a yard in the course of how yards do business.

You said "looks to be ...", where did you find a photo of the latch switch ? I have never seen one and it would be very helpful to do so. I have not pulled my latch yet; would like to have the replacement switch to do the repair.

mcs

Fair enough. I can't speak to the specifics of how yards work in your country. Only mine.

awdinut

Thanks for the pic ! So, have you replaced one of those in your latch ?

Now that I know the configuration I am looking for the last bit of info I need to find an equivalent is to have the dimensions...probably best in mm. Can you do that for me ?

Thanks

mcs

Sadly, I cannot.

Sci-fi_Wasabi

Is it just the metal spring that breaks on the micro sensor or something internal. Just wondering if the metal spring can be harvested from a similar sensor and installed onto the old...but if it something internal, then thats another issue.

2turbos4rings

I rebuilt a micro switch for the front right soft close on my D3 W12 once. It was a big pain to get the switch out. I can’t remember exactly what I did but I remember it was easy to do once it was in my hand. I think the spring was long gone and I either used a similar spring that was close enough to size or I fabbed something. It was reliable after that

Veikra

I have a full set of soft close latch in my hoard of a8 parts. I will check asap. Perhaps I'll make a youtube video so you'll have something to guide you. I've replaced one before, and bought it on digikey so they are not obscure parts. I'll come back here later

fjord

Pretty sure https://www.digikey.com/ has what you need. The hard part is finding it.They have about 25k different limit switches. Good luck.