96 merc. Grand Marquis, vibration at freeway speeds only when trying to speed up

Tiny
SUZUKI350
  • MEMBER
  • 1996 MERCURY MARQUIS
  • 4.6L
  • V8
  • RWD
  • AUTOMATIC
  • 108,000 MILES
My merc. Runs well and shifts through the gears with no problems, but when I am on the freeway trying to speed up there is a definate vibration (similar to running over those dots that separate lanes on freeway) but its not felt in the steering wheel. As soon as you let off the gas pedal it stops. One shop said it MIGHT be a bad torque converter? Dont want to invest in a converter until I am SURE thats the problem. Can you give me some direction?
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Sunday, March 23rd, 2014 AT 9:25 AM

1 Reply

Tiny
HMAC300
  • EXPERT
Check tire balance and ujoints first
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Monday, March 24th, 2014 AT 7:06 AM

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