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A quick and easy way to clean up the sound from the factory Bose subwoofer is the apply some sound deadening (like Dynomat) to the back of it. It made a noticeable difference on my C4S. You can also stuff some polyfil in there too.
. Next up is rebuilding the front brake calipers....
I rebuilt my 6 pot fronts two years ago. Then I rebuilt the 6 pot fronts on my Cayenne this past summer. Man there are a lot of seals and dust boots in those things!
I rebuilt my 6 pot fronts two years ago. Then I rebuilt the 6 pot fronts on my Cayenne this past summer. Man there are a lot of seals and dust boots in those things!
Yeah, I've got the GT3 6 pots on this, so a bunch of seals and boots to play with. Any tips/pointers?
Yeah, I've got the GT3 6 pots on this, so a bunch of seals and boots to play with. Any tips/pointers?
Nothing out of the ordinary.
I pried all the dust boots off first.
I used some wood pieces to hold 5 pistons in place and compressed air to force out the sixth. Watch your fingers! If there is any corrosion or buildup on the piston polish it off using 1200 grit sandpaper wetted with brake fluid, clean the piston after. Make sure the seal ring slot in the caliper body is clean. Install the new seal ring, wet it with brake fluid, install the piston. I put on the dust boots as I went along.
Move the wood to the next piston, repeat 11 more times.
I'm sure you know the Porsche kits do not include the seal rings. I bought boot/ring kits from either girodisk.com or racingbrake.com.
Feels great in the car. Haven't driven it tho and probably won't until the Spring. Next up is rebuilding the front brake calipers....
I did pads, pucks, hardware three years ago; I didn't see much of corrosion, but did drop one of those centering plugs into one of the pistons - a few moments of terror as I was afraid I wasn't going to get it out.
I gotta say, it feels like general appreciation for the 996 is increasing. And amongst car people, appreciation for the Mezger-engined ones, especially.
Awesome November track day today in the 996 Turbo... Had an absolute blast. The car just loves to be driven hard and could seemingly care less how many sessions or laps. Such a great time I forgot to take a single picture!!!
---ok, a buddy just sent me a couple----
I had my 996 Turbo and 991 Turbo S there today, 4 and 5 in the first picture, 2 and 3 in the second. The 991 Turbo is undoubtedly faster, but the 996 Turbo is simply more fun and just loves to be driven hard! Both are modified...
The Mustang Dark Horse was surprisingly fun to drive. The 458 is (unsurprisingly) super fun to drive. Cayman GTS 4.0 manual really comes alive on the track... Evora 400 also super fun. 355 GTS is huge fun in the canyons, but not my choice for the track.
A friends 718 GTS 4.0 and my 991 Turbo S... And a pristine RHD Evo V import in the back ground.
I gotta say, it feels like general appreciation for the 996 is increasing. And amongst car people, appreciation for the Mezger-engined ones, especially.
I don't think we're black sheep anymore.
Just like the 964 the 996 is finding its groove, and they are literally the only bargain in the 911 world, even 997s are way over priced for what they are.
I did pads, pucks, hardware three years ago; I didn't see much of corrosion, but did drop one of those centering plugs into one of the pistons - a few moments of terror as I was afraid I wasn't going to get it out.
Just curious, why is everyone rebuilding calipers? Are they all leaking? I've never ever seen one of these calipers leak. All my calipers have couple hundred hours of heavy track use. They look like hell, paint has turned from yellow to a brown orange from the heat, the dust seals have all burned off long time ago, but they still work perfect. Why rebuild?
Last edited by powdrhound; 11-18-2023 at 10:55 PM.
I can't speak for Andrew or Josh, my calipers were *very* well used when I got them. As you said dust seals burned off. Not knowing condition I elected to rebuild them.
Cayenne had a sticky piston from a bit of corrosion.
I can't speak for Andrew or Josh, my calipers were *very* well used when I got them. As you said dust seals burned off. Not knowing condition I elected to rebuild them.
Cayenne had a sticky piston from a bit of corrosion.
Yeah, if the piston is sticking then I get that. Just curious what issues others are having that necessitates rebuilds.
I'm actually absolutely amazed at how durable the calipers are seeing that they reach +400F pretty much each time I drive the car. The calipers that are on my car have been on there since 2015 if I recall. How the internal seals survive that is beyond me. I have several sets of brand new spare calipers on the shelf and have always thought about changing them out for fresh ones but then I ask myself why and leave well enough alone.
Last edited by powdrhound; 11-18-2023 at 11:11 PM.
11-16-2023, 12:44 PM
