Reply to Thread

Post a reply to the thread: brakes

Your Message

Click here to log in

Please correctly re-type the phrase f o o t d o c t o r in the form box. Re-type it without the extra spaces and put the one space where it should be. We apologize for having to do this but this silliness helps slow the spammers.


Additional Options


Topic Review (Newest First)

  • 04-12-2008, 05:37 AM

    Re: Was the system working fine

    thanks for the thoughts. both front calipers are new. the pedal is firm and returns to correct position when released. the calipers won't release once applied. how do i tell if the master cylinder itself comes back to the correct position? how do i check the one way valve on the booster? any links to possible diagrams? thanks again.
  • 03-29-2008, 09:19 AM

    Was the system working fine

    before the caliper replacement? Do you mean the wheels will not spin freely once the pedal is released? I assume they are properly installed with the bleeders at the top of the caliper. How are the rear cylinders doing? Does the master cylinder piston (not just the pedal) return completely when the pedal is released? Just off the top of my head I would look at a couple of things if it is both sides not releasing. The master cylinder may be sticking, and a good cleaning might clear it up, or the vacumn one-way valve on the booster might be stuck or clogged. Otherwise, if your rear brakes are ok, bleed again, and bleed the rear also for good measure, going around the car from longest line to shortest a couple of times. If there is air in the lines you generally would feel the squishy pedal, but just a small amount of air could compress without being felt in the pedal and then keep the pressure one the pistons when the pedal is released. You've probably already considered or done all this, but I don't know what you already know. A new master cylinder is very$, and the rebuild kit is very$ also, but opening it up, cleaning and reassembling is not a big deal. These are the basics. Good luck.
  • 03-29-2008, 04:43 AM


    front brake calipers, brand new, just installed. they won't fully release once applied. what can cause this condition? master cylinder? booster? any thoughts appreciated.

Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
1e2 Forum