Thanks Peter, your instructions make it sound pretty straight forward. I'll copy them and have them close by when I work on the brakes.
Thanks again for your help. Ed 300E 2009/5/9 Peter Frederick <psf...@earthlink.net> > W124 brakes are easy -- jack up, remove wheel, remove one bolt on the > sliding caliper, life the "loose" half up and away on the other slider bolt > (which stays in) and lift out the pads. Push single piston back in, flush > fluid if you want, put new pads in place, lower caliper half, install new > (included) bolt and you're done. > > Things to watch for: > > You need a wrench to hold the pin the small bolt goes into. 14mm I think. > Otherwise you will turn it forever and it won't come loose. > > Make sure the bellows on the pins are good, and that there is no play in > the sliding part. Major annoyances if there are, but you can just buy the > pin and bushing kit and replace them. Replace the bellows if torn. > > Watch that the little "ear" springs on the top of the pads stay under the > sliding caliper, and don't stick up through the slot. Major rattles, > squeals, and hassle, and they DO pop up where they don't belong. > > Don't break the little plastic cover for the sensor wire, you really need > to compress the coiled section and install it under the cover. If it's > pulled out, it can rub through and give false worn brake indicator > illumination. > > You must remove the calipers to replace the rotors, but they are usually > fairly easy -- just take out the small hex socket screw and they SHOULD come > off. Usually have to "help" them off a bit as they stick. Put a THIN > coating of anti-seize on the face of the hub after you clean off all the old > rust. Rotors must have the coxmoline removed -- brake parts cleaner works > great. > > You MUST roughen up the new rotors -- they are turned and you need to sand > them with coarse paper enough to cross-hatch the spiral left -- otherwise > they moan and groan under light pressure essentially forever. This can be > done by hand, but a flap sander works better. > > Change the brake fluid if you don't know how long it's been. > > Peter > > On May 9, 2009, at 6:26 PM, E M wrote: > > Thanks Alex. This is my first brake job on this car. I had a mechanic >> check them last Fall and he said should be fine for a year, but I bought >> new >> rotors, pads and sensors, well, one sensor, lol, and will just change it >> all. I tend to pull wheels a couple of times a year too, just to have a >> look at things. >> >> Any tips or things to watch for when taking it all apart ?? >> >> Thanks >> >> Ed >> 300E >> >> 2009/5/9 Alex Chamberlain <apchamberl...@gmail.com> >> >> There's no harm in leaving the wear sensors off if you want to change >>> the pads before you get the other one from Rusty, Ed. I kind of >>> figure they are not worth the bother, since I look at the pads twice a >>> year anyway (at least) when swapping winter/summer wheels. >>> >>> Alex >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> For new and used parts go to www.okiebenz.com >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >>> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: <http://okiebenz.com/pipermail/mercedes_okiebenz.com/ >> attachments/20090509/c5ae6e19/attachment.html> >> _______________________________________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090509/ea0c8335/attachment.html> _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
