2002 Cadillac STS rough ride when cold

Tiny
JGRADERT
  • MEMBER
  • 2002 CADILLAC STS
  • V8
  • FWD
  • AUTOMATIC
  • 72,000 MILES
My cadallic rides extremely hard when it gets cold. It can sit in the garage and ride just fine on the way to work. Sifter sitting in the cold (15 degrees) it rides like a tank
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Friday, January 29th, 2010 AT 2:01 PM

3 Replies

Tiny
FACTORYJACK
  • EXPERT
The only way to determine if this is actually a concern, would be to compare it to a similar vehicle. Many things are affected in below freezing temperatures, tires get harder and even develop a flat spot where they sit, shock fluid becomes more viscous, bushings and joints get harder. I personally don't see complaints of this nature having been with Cadillac for 13+ years, but I am not subject to too many days in bitter cold, in my climate zone. Just out of curiosity, what tires are you running? That could have a large affect on this.
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Friday, January 29th, 2010 AT 11:32 PM
Tiny
JGRADERT
  • MEMBER
Tires are still orginal equipment, the car just turned over 70 k. The tires do have helliium in stead of air.

Should ne be anyt flat spots on the tire as it sits in a heated garage for most of the day

i should have discribed the ride a extreeemly stiff and hard, it actuall hurst to ride in the card when it is cold.

Tell me more about the shock fluid becoming more viscous.
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Sunday, January 31st, 2010 AT 8:41 AM
Tiny
FACTORYJACK
  • EXPERT
That may be more theoretical, than fact. The shock is filled with oil, and most oils tend to thicken in cold temps. The bottom line on this, is determining what is abnormal. What cold air pressure are you running, and by helium, do you mean nitrogen? I've researched the GM service info database, and can find no info on rough ride when cold. That is where comparing it to a similar vehicle would be in order. On a vehicle that is sight unseen, it's about the only thing that I can offer as a next step.
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Monday, February 1st, 2010 AT 11:34 PM

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