I've read the Pelican Tech Article http://www.pelicanparts.com/techarticles/914_brake_pads/914_brake_pads.htm , the Eric Shea "914 Rear Caliper Adjustment Procedure" http://www.914world.com/bbs2/index.php?showtopic=90625and the Cap'n Krusty procedure http://www.914world.com/bbs2/index.php?showtopic=29839. Got a few questions.
1) To push the piston back so that the new (really thick) pad can be inserted, do you have to simultaneously turn the 4mm adjustment screw while putting pressure on the piston? On the driver side, I guess you would turn it CW since CCW moves the piston towards the disc (and it does move). When putting pressure on the piston without turning the screw, the piston didn't budge.
Regarding the following pics of the inner adjuster:
2) How can you see the inner cap to tell if it's easily going to come off using the 4mm hex on the 6" socket extension (through the control arm)?
3) Assuming I can get the inner cap off and out of the way, do you need to remove the inner washer and gear or just go ahead and stick the 4mm hex back in and turn?
4) If it seems like the cap is stuck, should I follow the Pelican method of removing the rear caliper (without disconnecting the brake lines)?
Well, the inner adjuster cap was going to strip so I decided to take the caliper off (was able to remove without opening up the brake lines - late control arm). Surprisingly, after some PB Blaster and changing from a 4mm hex to a Torx T27 the cap came off.
Now the next problem - I can't seem to get the inner piston to retract all of the way (it will advance with the adjuster screw). It seems to be stuck at about a 1/8" which prevents me from being able to put in the new inner brake pad.
So, do I keep at trying to push the piston back in or is it rebuild time (wish it were buy a pair from you, Eric, but funds are a little tight)?
I'm guessing there's a pile of rusty crude built up inside the bore at the bottom of the bore. This is preventing the piston from going back all the way.
Regardless of what is holding it up at this point it's probably time for a rebuild.
One inside adjustment screw is keeping my months of work from driving down the road!
I hate you 914 rear caliper.
Almost ready to drill this cover off.
Yes, I know about Eric's work.
I want to take her for a spin tonight!
If you have a cold chisel and a vice there is an easy way to get the inner cover off, but in involves removing the caliper from the car-which means bleeding the brakes. and it will permanently damage the cap.
Put the caliper in the vice and then drive the cold chisel into the cap until it s to notch the edge of the cap. Then angle the chisel in the direction you want the cap to spin(CC) and keep hammering. I have removed two caps this way without difficulty. To re-use a stripped cap I sawed a notch in it so a flathead screwdriver can be used.
see picture.
Attached image(s)
I borrowed a few cold chisels from work.
Going to give this a try tonight (crossing my fingers)
Matt
The cold chisel method, if done properly, has worked 100% of the time for me... And I do it often
Eric sells some terrific 5mm caps for the inner adjusters, they are deeper and work great...
Success! Thanks guys!
Scarlett is on the ground!
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