Brakes please?

[Nick Triesch]

I was driving my 85 the other day and I heard some dragging sounds from my rear brakes. So I pulled the passenger side right rear to take a look and it seems to have over an 8th of an inch of pad left. Could you please tell me what thickness new pads start out with? Also my pad sensor turned on so I know it needs pads somewhere. I will check them all. Just need to know what is the limit. Thanks, Nick

[darrin]

nick, you sure you weren't hearing the parking brake dragging, it's a drum brake in the middle of the rear disk

[javadog]

There is usually a vertical groove in the center of each pad that is the wear limit indicator. If the groove is gone, you need pads.

JR

[cabmandone]

When you're driving at night and people can see sparks, you've gone too far

[Pstallo]

Originally Posted by cabmando

When you're driving at night and people can see sparks, you've gone too far

Nope, that one is 'the muffler straps are broken'. I learned that when I was 16.

That same year I also learned that a sound similar to a goat getting caught in a farm combine means the dry-rotted bungie cord holding your battery in your 66 mustang finally broke and the battery flew into the radiator fan.

[Quicksilver]

Pad sensor dragging or uneven pad wear.

[Bob Kontak]

Originally Posted by Pstallo

Nope, that one is 'the muffler straps are broken'. I learned that when I was 16.

That same year I also learned that a sound similar to a goat getting caught in a farm combine means the dry-rotted bungie cord holding your battery in your 66 mustang finally broke and the battery flew into the radiator fan.

LMFAO

Please stick around.

[Nick Triesch]

Well, it must be a pad because the light came on along with the noise. Never did Porsche brakes before but I assume that you remove the disks and then remove the sensors. I don't think the parking brake would switch on the disk light. Spring is a nice time to work on a Porsche!

[kidrock]

Very easy brake pad replacement. Punch out large pin on top of caliper, remove spring clip underneath, remove pad. Reverse procedure to install pad.

[nettles503]

You'll need to buy new sensors, too, when you replace your pads. Also easy to replace.


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[The cap'n]

You should probably replace the rotors, too, because they're likely to be too thin to effectively resurface, and new pads don't like old rotors much because of the work hardening that has taken place.

The Cap'n

[GH85Carrera]

If the rotors are still in spec leave em alone. My rotors had 135,000 miles and I replaced them because I was doing a total suspension rebuild and "while I was in there" I rebuilt the calipers and replaced the wheel bearings. I could not see using old rotors with everything else replaced.

I would suggest you replace the brake fluid when you do the pads if you don't know for sure how old it is.

[Nick Triesch]

Well, I got my 85 brakes removed and ready to install new one. But I goofed....I forgot to notice which way the little pad sensors press in the half moon hole. Does the smooth side of the sensor press in so it is against the rotor or does the uneven side go in and face the rotor? Thanks, should have taken a picture! Nick