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YOUR RESEARCHBrakes
Leading reported evidence
Replace whether they need it or not
Performed · outcome unconfirmed
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Performed · outcome unconfirmed · Original poster
It seems rotors are now automatically replaced whether they need it or not.
Leading evidence: 'Replace whether they need it or not' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Inspect dampers carefully' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
Here's a DYI I used for the rotors (it's for a Boxster but the same approach applies for a 996).
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Suggestion
Inspect the dampers carefully for corrosion where the round pins fit into the caliper socket.
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Suggestion · Original poster
I'm tired of sending a car to a repair shop and then get a bill for pads and rotors.
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Suggestion
I check the rotors at this time if the rotors still not undersized I replace the pads and the sensors and next time the light comes on I replace the pads, sensors, and rotors.
Replace rotors and stop doing whatever's causing the rotors
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Suggestion
If the friction surfaces scored I'd replace the rotors and stop doing whatever's causing the rotors to score or otherwise suffer premature degradation.
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14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I've never replaced pads on a Porsche before but I want to give it a try. The car has only 20,000 miles on it and I'm not even sure it needs them yet. I read where it's cheaper to replace them before the sensors have to be replaced. I'm tired of sending a car to a repair shop and then get a bill for pads and rotors. It seems rotors are now automatically replaced whether they need it or not. Nobody wants to resurface them anymore. I can't imagine how much a set of Porsche rotors cost - and don't want to. I'll just go at it with my micrometer and see what can be saved. Anyone have any helpful advice?
Last I saw the rotors weren't too expensive like you'ld imagine. Sensors are only 11 a piece.
http://www.pelicanparts.com/catalog/...pg4.htm#item12
Still got the bike?
I just did pads, rotors and sensors for the first time. Not that hard a job. It helps to have a small pad spreader device. I got a cheap one from Pep Boys.
Here's a DYI link from Renntech for the pads.
http://www.renntech.org/forums/index...-instructions/
(note I did not replace the vibration dampers (they are crazy expensive)...just sprayed the pads with anti squeal...so far, no problems...
Here's a DYI I used for the rotors (it's for a Boxster but the same approach applies for a 996). I believe the minimal thickness for the rotors are 26mm front, 22mm rear.
http://www.bombaydigital.com/boxster...change_rotors/
Get the Zimmerman Rotors. I think they are one of the OEM manufacturers. Remember that every time you get a part with Porsche written on the box you are paying a huge premium and Porsche does not make many of the parts themselves, they source them from companies like Zimmerman, etc.
I would be really shocked at 20K if you need rotors. Just take the gloss off them.
I just did DIY Rotors/pad.sensors.. it was just over a grand cost.
Nothing special about the job.. If you have done pads on anything you are going to be fine.. Dont be afraid of the car. Its nothing special... You can work on the car.
As everyone has said, pads are a breeze. The only thing slightly tricky is making sure you don't damage the sensors when removing them and making sure the holes in the new pads are the right size. On some new pads they can be too small and you should open them up a bit - I used a drill bit by hand to allow for a snug fit. Rotors are also straightforward and as long as they are in good shape and aren't below the minimum thickness stamped on the cap/hub there's no reason to replace them.
Haven't had to replace the pads or rotors on my 996 (Turbo) yet. I've done the brakes on my Boxster more than once.
I just run the brakes until the warning light comes on. Sometimes for several thousand miles afterwards. I want to get the most service out of the pads. Why replace expensive pads to save cheap sensors. Chances are one or more sensors ok anyway and can be reused.
I check the rotors at this time if the rotors still not undersized I replace the pads and the sensors and next time the light comes on I replace the pads, sensors, and rotors.
If I replace the pads either just the pads or if I do both pads and rotors I do a bed in of the new pads to the rotors.
If I reuse the old rotors there's no need to resurface the rotors if the friction surfaces not scored or there's no braking misbehavior. If the friction surfaces scored I'd replace the rotors and stop doing whatever's causing the rotors to score or otherwise suffer premature degradation.
Sincerely,
Macster.
It might be good advice for the 996, but hasn't been in the past. Are Zimmermans for the 996 better vs stock than they were for the 964/993, 'cause they're crap for those? OEM doesn't mean anything other than that they're vaguely the same dimensions as stock. No metallurgy, no approval, no nothing. Learned my lesson with the 993, now won't use anything but O
E
. If they work for you, congrats, but how many hours of squeal troubleshooting, rusty hubs, etc is $100 worth?
Some tips on vibration dampers. Inspect the dampers carefully for corrosion where the round pins fit into the caliper socket. The pins are plated to prevent corrosion but if they get corroded and you put them back in it is very likely they will corrode in the bores and it will be impossible to remove without pulling the caliper piston! If they are in good shape, then remove the old adhesive with a wire wheel or adhesive remover and re-spray with 3M adhesive and then reassemble. I have done 2 consecutive brake jobs using the same vibration dampers and it works perfectly.
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