1999 Ford F150 Losing Fluid-no visible leaks

1999 FORD F-150
115,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
SAVAGENEWTON
  • MEMBER
  • 1 POST
Is it possible the fluid is leaking inside the diaphragm of the power booster? I can find no leaks in the lines or at the wheel cylinders.
Feb 1, 2010 at 8:42 PM
Advertisement
Avatar
DOCFIXIT
  • CERTIFIED EXPERT
  • 18,828 POSTS
Master cylinder leaking into booster is common. Most times you can feel wetness under cyl. on booster.
Feb 2, 2010 at 11:57 AM