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YOUR RESEARCHReady to do front brakes...
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Clean dampers
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I had negelcted to order new dampers, so I cleaned my old ones.
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I replaced the calipers, rotors, pads, dampers, sensors yesterday on my wife's 99 996 and it was pretty straight forward.
Replace pads between oem and pagid orange about 8 times
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I've swapped pads between OEM and Pagid Orange about 8 times.
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I used brake cleaner and a scraper knife to clean them, and it only took a few minutes.
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I am ready to order 2 new OEM rotors, a set of OEM front pads,new rotor screws, a front caliper spring kit, 4 new caliper bolts. Do I need to order the vibration dampers(4) and new sensors(2)? I have a friend who bought my 79'SC a few years ago who has a Porsche brake piston compression tool that should make this pretty easy. I've watched Van's video and will be ready to go as soon as I order my parts.
So, is there a need for sensors and dampeners when I do this? TIA.MY99 coupe with 56k miles,on 2nd set of pads and original rotors. Last winter I did the front brakes on my GMC pickup and it was very easy, so I'm hoping this will be similar.
The sensors should still be good as long as they haven't contacted the rotor. It may be a gd idea to get the dampeners just for the sake of peace of mind,because often times they get ruined when trying to get them off the old pads. Overall pretty straight forward job. Maybe a 3 out of 10 in difficulty. IMO
Steve......like Eric said if the sensor didn't contact the rotor (or the brake idiot lite would be on) I would not bother. But they are only $10....The DIY is really straight forward. Make sure you zip tie the caliper to the strut and have the correct bit for the caliper bolts. T-25? 1-2 hours tops.
I replaced the calipers, rotors, pads, dampers, sensors yesterday on my wife's 99 996 and it was pretty straight forward. I did replace all the sensors and you should definitely replace the dampers in my opinion. In the front you will need 4x 996-351-088-01 (2 per caliper), in the rear you will need 4x 996-352-086-00 (30mm round) and 4x 996-352-086-02 (28mm round).
Good luck with the project!
Steve, the first time I did a front brake job on one of mine, I skimped and did not buy the new dampers. Save yourself some frustration (and squealing brakes) and get new dampers. Good luck.
Thank you all(Ericginpa, Pete,Axeman,Van, and Mark) for your input and advice. I just didn't want to duplicate parts that I didn't need to. I'll place my order tomorrow and hopefully in a few days my Porsche will be ready to play safely again. Funny, this afternoon my oldest son came over, and thought it was pretty cool that I was tackling yet another Porsche project. Thanks guys.
One more observation. I did my brakes (front pads and rotors) last week.
The older caliper bolts use a 10mm hex socket. The new bolts use a T-55 torx socket. Torque them to 63 ft/lbs. I had a buy this large torx socket at Pep Boys for around $6.
I could have used the old sensors because they did not break through. However, I could not pull them out of the calipers and pads without breaking the small clips; i.e., I could not press the small clips to release them from the calipers. Thus, I was glad I bought all new parts except the main pin, pad retaining spring/bracket and cotter pin.
Barn.... if you can't get the little screws off on the rotors, there is a tool that you use a hammer with to untorque the screws. Works everytime for me. When putting the screws back on... use anti-seize. Let us know how you make out.
While I agree with getting new dampers, cleaning them was easy. Brake cleaner spray took the old adhesive residue right off.
I had negelcted to order new dampers, so I cleaned my old ones. I used brake cleaner and a scraper knife to clean them, and it only took a few minutes.
The reason I would recommend buying new ones is that it was a pain in the *** to find a
replacement adhesive
.
Did you forget to put in a decimal point between the 1 and 5 Larry? I agree, Van's video is a big help for those of us who are mechanically challenged.
The first time I read your post, I thought, "gee your fast", then reread it, 15 hours???
Don't do this for a living!
I did do rear pads on my wife's Grand Cherokee a few years ago in less than 20minutes, start to finish. This including rolling the jack in place and putting the tools away. I came home from work and wife said dinner's on in 15 minutes. With a busy night ahead, I worked as fast as I could and was washing up as she was puting the food on the table. It helped that I had done it before and knew without looking exactly what tools were needed.
I've swapped pads between OEM and Pagid Orange about 8 times. I've never replaced or cleaned the dampers. With the stock pads the brakes don't squeal at all - ever. With the track pads they squeak but that's going to happen with new dampers or old dampers.
Please explain what you mean by "offentimes".
By "tweaked" do you mean damaged? If that's what you mean saying this happens "offentimes" is really wrong. If the damper is damaged so badly that it's sticking in the piston bore, of course it should be replaced. But telling someone to replace an undamaged damper is like telling them to replace a pad before it's worn out.
How could you even damage a damper? The only way I could see it happening is while carelessly compressing the piston - and that could happen just as easily with a brand new damper before you install the pad.
I don't claim to have seen every brake problem under the sun but I've changed pads lots of times and I've never seen a stuck or damaged damper. Please enlighten.
Craig - your favorite word is "offentimes".
I've never seen dampers stuck to the pistons. If I were doing a full brake job with pads, rotors as the OP intends, I
might
replace the dampers also on general principles.
Changing pads can be done quite simply without removing the dampers at all - hence they won't be sacrificial. I suppose if I noticed they were stuck and not moving freely I'd shoot some brake cleaner in there to see if they loosened up.
Van's DIY video they don't replace the dampers - or even mention them:
Part 1 of 2
You Tube
Oftentimes I never spell it offentimes -
Get those dampers out for trackpads. New ones for OEM pads acc'd to Porsche.
I'd surmise that Van has consumed caffeine early in the video which has thenceforth worn off.
You can see there are no dampers in his video.
Cheers!
hmmmm - that would explain why he didn't mention them!
thought for sure this was the damper - now have to swap my pads this weekend to remember what they look like. Agree it's a superb video.
I also followed vans video.. My dampers were stuck in the caliper .. Not on the pads .. Seemed like no adehsive on old pads. I left the dampers in there, put anti-squeel on new pads (van doesn't show that ?) ..and reassembled. So far totally quiet and seems good. One piston seemed to be stuck and took quite a bit of force to push back into caliper with pry bar .. Is that normal ?
