How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask K. Wiggins Your Own Question
K. Wiggins
K. Wiggins, Classic Car Mechanic
Category: Classic Car
Satisfied Customers: 2587
Experience:  AA in Auto Tech, Classic car restorer and enthusiast
68360881
Type Your Classic Car Question Here...
K. Wiggins is online now
A new question is answered every 9 seconds

I have a 7" dual gm booster that after it sits while the

Customer Question

i have a 7" dual gm booster that after it sits for a while the booster jambs and i have to push the pedal very hard to brake it free then its ok till it sits a wehile
Submitted: 7 months ago.
Category: Classic Car
Expert:  K. Wiggins replied 7 months ago.

Hello, did you replace the master cylinder as well and have you checked the check valve on the vacuum hose to the booster for proper operation?

Expert:  K. Wiggins replied 7 months ago.

Hello, I was just wanting to follow up and see how things went.