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-   -   Brake Wear Lamp (http://986forum.com/forums/boxster-general-discussions/62082-brake-wear-lamp.html)

peterbrown77 06-22-2016 03:51 AM

Brake Wear Lamp
 
Brake wear lamp came on, so I did new rotors/pads/sensors on the fronts. One sensor was just peeking through the friction material.

Of course, the lamp was still on.

Did the rears last night, one sensor completely exposed. Took it for a test drive, all is well.

Drove 20 miles to work this morning, and as I'm pulling into the parking lot the lamp comes back on. A quick peek at the rears and everything seems to be in place, no sensors came out or anything.....

Any ideas?

TIA

http://i1060.photobucket.com/albums/...621_185043.jpg

Timco 06-22-2016 03:56 AM

I replaced all 4 when I did all new pads. I would think unless it's cut through ( where's KRAMwhen we need him! ) it should still have continuity and be ok to plug into a new pad. If pads go on prior to rotor contact they stay good. Sounds like another pad is right there. Front pads grind down way faster.

ekam 06-22-2016 04:03 AM

Double check the cable connection for the wear sensor?

alm001 06-22-2016 04:20 AM

Quote:

Originally Posted by ekam (Post 500419)
Double check the cable connection for the wear sensor?

^ really make sure its clicked in. I've had one connector pop out on an audi after doing brakes.

peterbrown77 06-22-2016 04:33 AM

Quote:

Originally Posted by alm001 (Post 500420)
^ really make sure its clicked in. I've had one connector pop out on an audi after doing brakes.

But if breaking the continuity triggers the lamp, wouldn't an unplugged connector make the indicator lamp turn off?

ekam 06-22-2016 04:36 AM

^Nope. Same thing as breaking the continuity.

Burg Boxster 06-22-2016 04:55 AM

If you monitor pad wear/thickness w/ frequency (as should be done)... you can eliminate need for sensors all together. Simply cut each lead up near plug and short them out (just twisting bare wires together, either solder or use a crimp terminal and then heat shrink tube to seal from elements). Thus you remove all worries of idiot wear light from sensors and not need bother with replacements. Savings realized should promptly be applied to garage beer fund (preferably mine) :cheers:


https://c7.staticflickr.com/6/5798/2...c86898d4_c.jpg


Good luck :)

RandallNeighbour 06-22-2016 06:04 AM

The sensors become brittle with age and heat. They can appear to be in good order and be fully seated in the plug housing and throw a code. It's always good to have a brand new one in a drawer so you can swap one out at a time and see if it's the culprit.


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