Difficulty replacing key fob shell
05-09-2014, 05:08 AM
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Difficulty replacing key fob shell
Hi guys,
I purchased a new key fob shell replacement off ebay for my keys, as they are quite old and grimy.
Anyway, going by the wisdom of the internets i saw that i needed to pry the two parts of the key apart, which was no problem, then pry the circuit part apart, again no problem. However i couldn't get the circuit board out even after holding a soldering iron on the brass caps as i found on some forums. Might have to solder through the plastic from the other side, however i would rather not ruin the key. Also, getting the side with the actual key in it apart is seemingly impossible. I've removed the screw under the Audi logo, but i cannot get these two sides apart. For everyone else it seems they just kinda fall apart.
Anyone know how i could get this stuff sorted without ruining the original key?
I purchased a new key fob shell replacement off ebay for my keys, as they are quite old and grimy.
Anyway, going by the wisdom of the internets i saw that i needed to pry the two parts of the key apart, which was no problem, then pry the circuit part apart, again no problem. However i couldn't get the circuit board out even after holding a soldering iron on the brass caps as i found on some forums. Might have to solder through the plastic from the other side, however i would rather not ruin the key. Also, getting the side with the actual key in it apart is seemingly impossible. I've removed the screw under the Audi logo, but i cannot get these two sides apart. For everyone else it seems they just kinda fall apart.
Anyone know how i could get this stuff sorted without ruining the original key?
05-19-2014, 02:30 PM
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Hi guys,
I purchased a new key fob shell replacement off ebay for my keys, as they are quite old and grimy.
Anyway, going by the wisdom of the internets i saw that i needed to pry the two parts of the key apart, which was no problem, then pry the circuit part apart, again no problem. However i couldn't get the circuit board out even after holding a soldering iron on the brass caps as i found on some forums. Might have to solder through the plastic from the other side, however i would rather not ruin the key. Also, getting the side with the actual key in it apart is seemingly impossible. I've removed the screw under the Audi logo, but i cannot get these two sides apart. For everyone else it seems they just kinda fall apart.
Anyone know how i could get this stuff sorted without ruining the original key?
I purchased a new key fob shell replacement off ebay for my keys, as they are quite old and grimy.
Anyway, going by the wisdom of the internets i saw that i needed to pry the two parts of the key apart, which was no problem, then pry the circuit part apart, again no problem. However i couldn't get the circuit board out even after holding a soldering iron on the brass caps as i found on some forums. Might have to solder through the plastic from the other side, however i would rather not ruin the key. Also, getting the side with the actual key in it apart is seemingly impossible. I've removed the screw under the Audi logo, but i cannot get these two sides apart. For everyone else it seems they just kinda fall apart.
Anyone know how i could get this stuff sorted without ruining the original key?
I went to the same eBay site to check out the key fob shell and if you continue to scroll down - the instructions are right there and you never need to do any soldering! Here is part of the message:
Description :
Part NO. 4DO 837231 M
FCC ID:MY8Z083721
IC:4427A-8Z083723
FREQ 433.92 MHz
Note this bid is for the key using battery CR2032.
If your key use the battery 1620, please contact us to change! Thanks!
Easy to install.Just move your original transponder and chip into this key Case.
Supports 4 Buttons
Comes with buttons and Audi logo
Please make sure the part number of your old remote case start as 4D0.
Works With:
1997-2001 A4/A6/A8
2000-2001 TT
2002-2004 A6
2002-2004 TT
NOTE: pictures and step by step instructions....
Hope this help! Usually if you start soldering tiny parts like this you will destroy the circuit board....
Good Luck!
Louis
04-22-2015, 11:18 PM
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Circuit Board Brass Pins Removed
I did it now and removed the pins from my old key FOB.
-Heat the solder iron to the max ( for about 5-10 min)
-Place the tip on the brass pin for about (10-15 sec)
-Try to nudge the pin with the tip of the solder iron
-Slowly raise the solder iron of the pin
-The pin should pop right Out !!!
Goodluck!!
P.S make sure when ordering a new key fob that the metal battery contacts are the same as your old key fob.
-Heat the solder iron to the max ( for about 5-10 min)
-Place the tip on the brass pin for about (10-15 sec)
-Try to nudge the pin with the tip of the solder iron
-Slowly raise the solder iron of the pin
-The pin should pop right Out !!!
Goodluck!!
P.S make sure when ordering a new key fob that the metal battery contacts are the same as your old key fob.
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