67bmer

I just got my brake pad wear light!

I know city, highway, and track all have different rates but in general -

how many miles do I have before the pad backs hit the rotors ?

200 or 2000 miles?

I bought it with 80,000 miles and now has nearly 90,000. Assuming its on its second set of pads? about 45,000 miles each for general highway/city driving?

Thnaks

Dilberto

When the pad indicators first go off, it's advance notice you'll be metal-on-metal in about 2800 miles. Get the Hawk HPS ceramic pads....much better than the dusty, Textar/Brembo/Pagid pads.

AGARubberDuck

+1
When I got the dummy light I took the wheels off and looked at the pads. There was plenty of meat left on them so I went another 2 months of daily rush-hour commutes before deciding to change out the pads at my convenience.

Thankfully the pads and rotors are as simple as most to replace. I also went with HAWK HPS and Zimmerman rotors.

westsiderkg

Do they make a Hawk pad for the 958 yet? Couldn't locate one online. Hate the factory dust!

67bmer

I wish I knew what pads I have on now! The stopping power is great!!

When I decided to buy a Cayenne and test drove one near by, I was REALLY disappointed in the brakes!! But since I have had mine - I have NO complaints about the brakes...

I should take one out and see if there is any identification left on them. Its about time to switch over to snow tires.

If I could actually get 1500 miles I could probably put this off until spring...

haji3

I just bought a Cayenne so this may be a stupid question. If the sensor is triggered don't you have to buy a new sensor? On my other cars it is cost effective to do the brakes early so you don't have to buy new sensors.

67bmer

On my other cars (BMWs) the sensor must be replaced because it gets ruined when it senses. Its usually like a $5 part. Not a huge expense.

I don't know about the Porsche sensor yet...

AGARubberDuck

Same, except it is a $20 part.

BlackTurboS

As another post says, if the brake pad warning light goes off, the pad sensor does need to be replaced. The sensor is a small piece of metal connected to a wire. When the metal wears against the rotors on the sensor, it triggers the light. Once triggered, a new sensor is needed. With that said, you may not need sensors on all 4 wheels. I would pop them off and take a look and see how many sensors you may need. I recommend Suncoast. That is where I get all my parts, and their customer service is top notch. Last week I overnighted a water pump because I was getting ready to do my serpentine belt and wanted to replace the water pump as preventative maintenance. They called me immediately and said they couldn't ship it same day but would the following day. Great guys at Suncoast and great prices.

haji3

I was thinking it was about 30 on one of my Mini's so I figured 100 on a P Car.

Brit6

Just ordered 2 front and 2 rear since I'm doing a complete brake change.

Front #95561236501 = $18.34 (x2)
Rear #95561236531 = $18.34 (x2)

JAGMAN1

How long you have depends on many factors. The sensors are very conservative. I'd say they illuminate the warning at 30% pad life remaining. Bottom line, this isn't an emergency. You've got time. With my driving style, I estimate I can do at least 10K miles after the sensor comes on. But my OCD usually kicks in well before and I replace everything. I do begin monitoring more closely with visual inspections so as not to overdo it.

As mentioned the sensors are a consumable. Plenty of DIYs out there. But changing pads on a Cayenne is very fast and easy. No need to remove the caliper. Just slide out the retaining pin. remove the old pads, install the new pads, replace sensors. Done. Jacking up and wheel removal is the most time consuming part.

GRA-2

Can anyone advise whether the rear pads should have wear sensors?
Thanks

Brit6

Yes, I just stated 2 for the front and 2 for the rear. Every wheel has a sensor.

JAGMAN1

Yes, all four wheels have sensors. All 8 pads have sensors. Each wheel's sensor consists of two sensor elements wired in series.