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Anonymous Posted on Jul 03, 2012

WHY DOES MY CAR VIBRATE AT 55MPH & FASTER?

My 2001 Cadillac Seville SLS vibrates when I reach up to about 55mph, worsens as I go faster. Does anyone have an idea as to why this happens & how to fix it?

  • Anonymous Jul 03, 2012

    Tires have been checked & balanced twice--says they are ok. Vibration is not in steering wheel but entire frame and even feel it in the seats. Floorboard vibrates as well. Thanks for your help though. What about this...any thoughts out there?

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  • Posted on Jul 03, 2012
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If the vibration is in the steering wheel a tire out of balance or a separating tread could be the problem. Have it checked at a tire shop or move the front tires to the back to see if it goes away.

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Anonymous

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  • Posted on Jan 17, 2009

SOURCE: Replace tail lights

Usually all you have to do is pull back the inside trunk liner behind the tail lights from inside the trunk, or there may be a plastic door that you open to access the tail lights. The wires going to the tail lights connect to a plug that you turn counter clockwise and pull out from the back of the tail light assembly. Once you have removed the connector replace the bulb. Some light bulbs just pull straight out of the connector, others you may have to push in and turn counter clockwise to remove.

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Anonymous

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  • Posted on Nov 30, 2009

SOURCE: 1999 cadillac seville sls it over heats when in drive

how many miles are on it? if you have over 70k the head bolts may have let loose and allowed the head gaskets to leak they all do it

Anonymous

  • 135 Answers
  • Posted on May 19, 2009

SOURCE: Need to replace both crankshaft position sensors 2001 Cadillac

4.6 the twocrankshaft position sensors are located on the front of the block just above and to the left of the oil filter. not hard to replace.

alicantecoli

Colin Stickland

  • 22516 Answers
  • Posted on Jun 03, 2010

SOURCE: oil change dash computer on 2001 cadillac sls

never come across this before and i would need to see the engine layout to work out what could be causing it but if its low oil pressure then add a tin of STP or wynns and see what happens

Anonymous

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  • Posted on Jun 08, 2010

SOURCE: I have a 1998 Cadillac SLS Seville that needs a

If it's the same size cadillac engine and the transmission on it is listed for your car (get the transmission model and check if parts are listed for it for your car at the auto parts store) then it should fit. What you may really need to know is will the electical be compatible with your car. If you still have the old engine you can probably swap out any parts you need but getting everything sinchronized could end up being the real job.

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Why does my 2005 chrvy colorado vibrate at 55mph

Most likely the tires need balanced and rotated or replaced if there worn real bad,,,
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I have a 2005 Chevy Cobalt that the transmission is binding up and, causing a bad vibration. The car won't go any faster than 55mph please help me!

Get out the yellow pages,call transmission shops and ask if they give free estimates,then go there,then go to another and compare.Ask about warranty.
1helpful
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2001 CADILLAC SEVILLE VIBRATES AT 55MPH & FASTER.

Probably not without driving it.
A vibration is usually caused by something that turns, such as the tires-wheels or axles.
But it could also be a cylinder miss or something in the engine.
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2001 Cadillac Seville SLS Car does not run other

Well, the first thing one should check is the transmission fluid level. Add Dexron ATF to the transmission until full when the vehicle is at normal operating temperature after 30 or 40 minutes of driving.

Secondly, if the car's transmission hasn't been flushed and filled in 30,000 mi. it's recommended that you do so as normal maintenance. This service typically costs about $100 or so.

If the car only runs forward but not reverse, a solenoid may be plugged up with clutch dust, or it's shorted out and needs to be replaced. However, tearing down a transmission on a 2001 Cadillac Seville is rather expensive, in the thousands of dollars.

One might consider getting a good used transmission that has a guarantee on it and have it installed, or have the one in it rebuilt.

Good luck on this repair.
0helpful
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Oil change dash computer on 2001 cadillac sls

never come across this before and i would need to see the engine layout to work out what could be causing it but if its low oil pressure then add a tin of STP or wynns and see what happens
0helpful
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Upon reaching and holding 55mph using only the accelerator, my truck begins to shake and vibrate and move forward in a jerky fashion. The problem goes away if I coast or if I begin to acceslerate. What's...

Could be your torque converter.
Have you checked all your fluids?
How is your oil Pressure at that speed it should be between 40 and 60
Any Check engine Light?
Does your Abs lights come on?
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