1999 MERCURY COUGAR THUMBING SOUND COMING FROM ...

  • Tiny
  • Vistasystems
  • 1994 MERCURY COUGAR
  • 40,000 MILES

1999 Mercury Cougar, thumbing sound coming from front of car when brake is applied hard, no thumbing if brake is applied softly.
it has new brakes and good rotors (turned) new ball joints upper and lower

Do you
have the same problem?
Yes
No
Saturday, October 27th, 2012 AT 12:22 AM

2 Replies

  • Tiny
  • ASEMaster6371
  • EXPERT
  • 25,554 POSTS

Hot spots on rotors. Replace them and the problem should go away

Roy

Was this
answer
helpful?
Yes
No
Saturday, October 27th, 2012 AT 12:26 AM
  • Tiny
  • Vistasystems
  • MEMBER

HOT SPOTS,
Are you sure? The rotors have just been turned at a machine shop, only 30 miles on them and new brake pads
this is a 1994 mercury cougar, not a 1999, 1999 was a mis-print

Was this
answer
helpful?
Yes
No
Saturday, October 27th, 2012 AT 1:22 AM

Please login or register to post a reply.

Other Brake Pedal Spongy Questions