Vibration only when stopped 2012 SRX Cadillac with 27,200 Miles

Tiny
ELKMOM
  • MEMBER
  • 2012 CADILLAC SRX
  • 3.6L
  • V6
  • FWD
  • AUTOMATIC
  • 27,200 MILES
Purchased my 2012 Certified Pre-Owned 2012 SRX the weekend of July 4th 2015. I've brought into my dealers service department 4 times - Reason is: When I'm at a stop sign, green light, or sitting in traffic - the vehicle is in drive, all is smooth -- then it sounds like the engine is going to shut off and/or it will vibrate slow, the vibration will stop then the same thing happens again - vibration so hard that I can feel though my seat, steering wheel and my passages can feel as well. This only happens when I'm stopped, will also happen when SRX is in drive and on. Only when no moving does this happen.

They given me "loaner" SRX to dive 2016 - no vibration, I've driven my friends 2015 SRX - no vibration. They say that "can't find anything wrong" Now, at one point they said they "saw" something on the monitor but it was so fast they were "unable to get a screen shot"

So, I tell them "see, there is a problem" They still say nothing is wrong, no codes no nothing.

What is your suggestion of what might be wrong?
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Saturday, October 10th, 2015 AT 2:59 PM

2 Replies

Tiny
HMAC300
  • EXPERT
Try cleaning throttle plate on both sides and iac hole with choke cleaner. Check for a vacuum leak or any engine grommet/duct work leaking air.
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Sunday, October 11th, 2015 AT 8:34 AM
Tiny
ELKMOM
  • MEMBER
Thank you for your suggestions! I have an appointment this coming Thursday 10-15-15, and I'll make sure to mention this to them.

It's nice to go into your dealership with some knowledge. I did look up several items it might be as well.

I'll keep you posted, and again thank you!
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Monday, October 12th, 2015 AT 11:00 AM

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