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1998 Mitsubishi Diamante vibration

Tiny
COUNTRIBOI
  • MEMBER
  • 1998 MITSUBISHI DIAMANTE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 227,309 MILES
What will cause vibration at speeds of 40 to 60 mph? It will do it all the time one day then the next it won't or it will start then stop. But lately its got bad.
Wednesday, January 7th, 2009 AT 11:30 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
HI there,

The first thing to do is get the tyres checked for and defects and get then rotated and balanced, repost if you still have a problem.

Mark (mhpautos)
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Wednesday, January 7th, 2009 AT 11:51 PM
Tiny
JUANCHOVIES
  • MEMBER
  • 5 POSTS
Have the same problem. After two new engine mounts (top was broken), two new front tires (one was bad), balanced and aligned problem persists. Since vibration ONLY occurred when accelerating (that should rule out tires, if so vibration would be constant) I was told to check front axle and cv joints. My car has 161K miles and front feels weak, so I will check struts too. Expensive little problem!
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Wednesday, June 3rd, 2009 AT 2:44 PM
Tiny
JUANCHOVIES
  • MEMBER
  • 5 POSTS
Upon further examination and review I found problem related to ATF breakdown that causes this problem at the specified speeds, when torque converter engages. Hope this helps, I will try this now.
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Wednesday, June 3rd, 2009 AT 3:45 PM

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