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2003 Cadillac CTS the car shakes when accelerates

Tiny
AGJULES03
  • MEMBER
  • 2003 CADILLAC CTS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 45,000 MILES
I have only had the car for about a month. A week or so ago I noticed the car starting to shake when accelerating. Its when you barely give it gas the whole car vibrates. It doesnt matter what speed you are at either. You could be driving 20 miles per hour and barely put pressure on the gas and get this vibration. The same goes if you are driving 60. It either doesnt do it, or I just cant notice it when I accelerate hard. When I let off the gas the shaking stops. What could this possible be?
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Friday, August 15th, 2008 AT 5:52 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Check the motor mounts and engine torque struts, make sure the mounts are tight and not torn or collapsed. Make sure the torque struts are tight and bushings are good.
It could also be an alignment problem (toe).

Raise car, put on stands and check front wheels for any horizontal or vertical movement, which would indicate a suspension problem (ball joints, control arm, tie rod ends etc).

Scan the PCM for any engine misfires.
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Saturday, August 16th, 2008 AT 6:15 AM
Tiny
GQCADDY03
  • MEMBER
  • 1 POST
Did you end up finding out what was wrong with your car? Was it the motor mounts or something else?
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Friday, December 16th, 2011 AT 1:17 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Agjules, were you able to diagnose your problem and fix it
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Saturday, December 24th, 2011 AT 4:15 AM

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