SPONSORED LINKS

1984 CJ-7 brake assist vacuum leaks

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1984 JEEP CJ7
  • 225,000 MILES
1984 CJ-7 Jeep mileage: 225,000. I am losing brake assist, when the engine is running. Can you tell me what the procedure for checking the brake booster for vacuum leaks is?
Tuesday, October 12th, 2010 AT 10:04 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
First as you press the brake pedal, you should not hear a hissing sound. Second test, with the engine off, pump the brake pedal several times and then hold your foot on the brake with constant pressure. Leaving your foot on the brake, start the engine. Your should feel the brake pedal pull down slightly indicating that the power brake
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, October 12th, 2010 AT 10:07 PM

Please login or register to post a reply.

Related Engine Vacuum Leak Content

Vacuum Leak Test and Repair
VIDEO
Vacuum Leak Test and Repair
Instructional repair video
Vacuum Leak
GUIDE
Vacuum Leak
An automotive engine heavily relies on a sealed vacuum system to help monitor and optimize the engine's performance, when this system fails and leaks emerge performance ...
VIEW MORE

Sponsored links