Did brakes...have questions...

[rsfeller]

Did all pads, rotors, sensors and flush all wheels on brother-in-laws Turbo tonight, a couple of questions...

1. I got a park brake warning the first drive after doing it all. Warning on dash plus ding sound for about a minute. Never came back after subsequent test drives. Was something just resetting itself? Never saw a procedure for adjusting the p-brake in the writesups I was using.

2. They shorted me one brake sensor...so it will go on next weekend. So the BRAKE WORKSHOP is still showing as expected...but I also now notice a SERVICE NOW message. Don't recall seeing this bofore. Is this related to the brakes in anyway or is this a warning for oil/fitler or such...or should codes be checked like this is a CEL? I did the odometer reset and it went away without coming back on.

3. What does the Turbo (not S) idle at? According to the tach this think is sitting at 600RPM at rest after starting and just sitting there. Is this about right for a Cayenne V8 Turbo?

thanks.

Shawn

Edited September 1, 2011 by rsfeller

[wvicary]

1- Recheck the brake fluid level in the master and be sure both chambers are full in the reservoir tank. The return system for the park brake pedal can weaken so be sure the pedal is fully against the upper stop.

2- Service Now is the maintenance reminder for oil change/filter service.

3- I don't know the spec for idle speed but my Cayenne ( V6 ) idles at 600 RPM so it sounds about right.

[rsfeller]

Thanks for the great answers. That idle value is low compared to older cars I've owned but I also know this car would be throwing codes if that idle wasn't right...so thanks for confirming the 500-600 is OK.

Could you explain a bit more in detail what you mean about "park brake pedal can weaken" and "against the upper stop"...not sure I'm catching how this system is setup. I supposed if it was my ride I'd obsess a bit more about understanding everything!

Make note it only takes 4-5 clicks to get a good hold on my inclined driveway and under mild load it's not moving...so I know it's working right and event.

[wvicary]

There is a small dampener that returns the park brake pedal to it's start/off position. This can weaken hold the pedal down slightly and result in the warning light. I just pull the pedal up with my foot to be sure it's fully in the off position.