i need help on how to fix a stiff break pedal

1992 CHEVROLET ASTRO
21,000 MILES
Avatar
ASHLEYANDKIDS
  • MEMBER
  • 2 POSTS
the pedal is stiff all the time.i have fixed and replaced the power booster and the power sterring pump and the calipers and wheel cylinders.still seems to be the same after all was done.
Oct 26, 2011 at 8:05 AM
Advertisement
Avatar
KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Check the vacuum hose to the power booster and ensure you have sufficient vacuum for operating the booster.

Ensure the pedal to booster rod adjustment is correct.
Oct 26, 2011 at 9:34 AM
Avatar
ASHLEYANDKIDS
  • MEMBER
  • 2 POSTS
no vacumn its hydrolic and there are no adjustments to linkage.
Oct 26, 2011 at 4:36 PM
Avatar
KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Go through the following chart and see if you can come up with anything.

Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Oct 26, 2011 at 4:53 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.