vacuum assist brake problem

5

Asked by Aug 15, 2012 at 09:55 PM about the 1968 Mercury Cougar

Question type: Maintenance & Repair

I have a 1968 Mercury Cougar XR7. The brakes hardly work(very hard ) The lines, wheel cylinders and
master cylinder are all new. the engine is rebuilt and has a low end cam in it. How can I test the
booster --- or how can I find where the problem is???? rbgougar

2 Answers

20,725

is there any change in feel of the pedal from engine off to engine on? a hard to press pedal is the symptom of a failed brake booster. May also be acompanied by a large vacuum leak. Make sure the hose to it is intact. There is also a 1 way valve on it that can fail. Usually the booster goes.

Best Answer Mark helpful
5

Thank you Andrew for this answer ---- it worked. Thanks you CAR GURUS and all those involved. rbcougar

Your Answer

Mercury Cougar Experts

  • #1
    lisagayle
    Reputation
    2,210
  • #2
    Tom Demyan
    Reputation
    820
  • #3
    Jessica Cornelison
    Reputation
    610
View All

Related Models For Sale

Used Ford Mustang
348 Great Deals out of 41,846 listings starting at $1,488
Used Ford Thunderbird
16 Great Deals out of 1,014 listings starting at $7,000
Used Chevrolet Camaro
389 Great Deals out of 31,490 listings starting at $3,000
Used Dodge Charger
318 Great Deals out of 36,216 listings starting at $1,999
Used Pontiac Firebird
6 Great Deals out of 690 listings starting at $3,911
Used Pontiac Grand Prix
8 Great Deals out of 2,418 listings starting at $1,900
Used Pontiac GTO
3 Great Deals out of 391 listings starting at $3,950
Used Mercury Comet
24 listings
Used Chevrolet Impala
503 Great Deals out of 32,101 listings starting at $1,000
Used Chevrolet Corvette
114 Great Deals out of 16,238 listings starting at $3,995
Used Mercury Marauder
27 listings

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.